US20030039226A1 - Physical layer automatic repeat request (ARQ) - Google Patents
Physical layer automatic repeat request (ARQ) Download PDFInfo
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- US20030039226A1 US20030039226A1 US09/939,410 US93941001A US2003039226A1 US 20030039226 A1 US20030039226 A1 US 20030039226A1 US 93941001 A US93941001 A US 93941001A US 2003039226 A1 US2003039226 A1 US 2003039226A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
- H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2612—Arrangements for wireless medium access control, e.g. by allocating physical layer transmission capacity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
- H04L1/1845—Combining techniques, e.g. code combining
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0096—Channel splitting in point-to-point links
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present invention relates to wireless communication systems. More particularly, it relates to a modification to such systems by employing a physical layer (PHY) automatic repeat request (ARQ) scheme.
- PHY physical layer
- ARQ automatic repeat request
- BFWA Proposed broadband fixed wireless access
- SC-FDE single carrier-frequency domain equalization
- OFDM orthogonal frequency division multiplex
- HSDPA high speed downlink packet access
- the current proposed system employs a layer 2 automatic repeat request (ARQ) system.
- Data blocks unsuccessfully transmitted to the subscribers are buffered and retransmitted from layer 2 .
- the data blocks stored in layer 2 are typically large, are transmitted for high signal to noise ratio (SNR) reception, are received with a low block error rate (BLER), and are infrequently retransmitted.
- SNR signal to noise ratio
- BLER block error rate
- layer 2 ARQ signaling is typically slow requiring large buffers and long retransmission intervals.
- a physical automatic request repeat system comprises a transmitter and a receiver.
- a physical layer transmitter at the transmitter, receives data and formats the received data into packets having a particular encoding/data modulation.
- the physical layer transmitter contains n channels which transmit the packets and retransmits packets in response to not receiving a corresponding acknowledgment for a given packet.
- An adaptive modulation and coding controller in the transmitter collects retransmission statistics and adjusts the particular encoding/data modulations using the collected statistics.
- the receiver has a physical layer n-channel receiver for receiving the packets.
- the receiver contains an n-channel hybrid ARQ combiner/decoder which combines packet transmissions, decodes packets and detects packet errors.
- the receiver contains an acknowledgment transmitter which transmits an acknowledgment for each packet, if that packet has an acceptable error rate.
- the receiver contains an in-sequence delivery element which delivers acceptable packets to higher layers.
- FIGS. 1 a and 1 b are simplified block diagrams of downlink and uplink physical ARQs.
- FIG. 2 is a flow chart for using retransmission statistics for adaptive modulation and coding.
- FIG. 3 is block diagram showing a multi-channel stop and wait architecture.
- FIGS. 1 a and 1 b respectively show a downlink physical ARQ 10 and uplink physical ARQ 20 .
- the downlink physical ARQ 10 comprises a base station 12 receiving packets from the higher layer ARQ transmitter 14 a provided in network 14 .
- the packets from transmitter 14 a are applied to the physical layer ARQ transmitter 12 a in base station 12 .
- the ARQ transmitter 12 a encodes the data with a forward error correcting code (FEC), appends error check sequences (ECSs), modulates the data as directed by the adaptive modulation and coding (AMC) controller 12 c, such as by using binary phase shift keying (BPSK), quadrature phase shift keying (QPSK) or m-ary quadrature amplitude modulation (i.e. 16-QAM or 64-QAM).
- FEC forward error correcting code
- ECSs error check sequences
- AMC adaptive modulation and coding
- BPSK binary phase shift keying
- QPSK quadrature phase shift keying
- m-ary quadrature amplitude modulation i.e. 16-QAM or 64-QAM.
- the AMC controller 12 a may vary the subchannels used to carry the packet data.
- the physical layer ARQ transmitter 12 a transmits packets to the subscriber unit 16 through air interface 14 by way of switch, circulator or duplexor 12 d and antenna 13 .
- the transmitter 12 a also temporarily stores the message for retransmission, if necessary, in a buffer memory incorporated in the transmitter 12 a.
- Antenna 15 of subscriber unit 16 receives the packet.
- the packet is input into physical layer ARQ receiver 16 a through switch, circulator or duplexor 16 b.
- the packet is FEC decoded and checked for errors using the ECS.
- the receiver 16 a controls acknowledgment transmitter 16 c to either acknowledge (ACK) receipt of a packet with an acceptable error rate or to request retransmission by, preferably, withholding an acknowledgment signal or transmitting a negative acknowledgment (NAK).
- ACK acknowledge
- NAK negative acknowledgment
- the ACK is sent by ACK transmitter 16 c to the base station 12 through switch 16 b and antenna 15 .
- the ACK is sent via the air interface 14 to antenna 13 of base station 12 .
- the received ACK is processed by an acknowledgment receiver 12 b in the base station.
- the ACK receiver 12 b delivers the ACK/NAKs to the adaptive modulation and coding (AMC) controller 12 c and to the transmitter 12 a.
- the AMC controller 12 c analyzes the channel quality to the subscriber unit 16 using statistics of the received ACKs and may vary the FEC encoding and modulation techniques of subsequent transmissions of the message, as will be described in more detail. If the subscriber unit 16 acknowledges receipt of the packet, receipt of this ACK at base station 12 causes the original packet, which was temporarily stored in a buffer memory, to be cleared in readiness for the next packet.
- the physical layer transmitter 12 a retransmits the original message or selectively modified version of the original message to subscriber 16 .
- the retransmission is combined with the original transmission, if available.
- This technique facilitates receipt of a correct message by use of data redundancy or selective repeat combining.
- the packets having an acceptable error rate are transferred to higher layers 16 d for further processing.
- the acceptable received packets are delivered to the higher layers 16 d in the same data order in which the data was provided to transmitter 12 a in the base station (i.e. in-sequence delivery).
- the maximum number of retransmissions is limited to an operator-defined integer value, such as in the range of 1 to 8. After the maximum number of retransmissions are attempted, the buffer memory is cleared for use by the next packet. Decoding an acknowledgment using small packets at the physical layer reduces transmission delays and message handling time.
- the AMC controller 12 c may vary the modulation and coding schemes for that channel, as shown in FIG. 2. Additionally, the retransmission statistics can also be combined with other link quality measurements, such as bit error rates (BERs) and block error rates (BLERs), by the AMC controller 12 c to gauge the channel quality and determine whether a change in the modulation and coding scheme is required.
- BERs bit error rates
- BLERs block error rates
- the retransmission occurrences for a particular channel are measured to produce retransmission statistics, ( 60 ).
- a decision on whether to change the modulation scheme is made using the retransmission statistics, ( 62 ). If the retransmissions are excessive, a more robust coding and modulation scheme is used, ( 64 ), usually at a reduced data transfer rate.
- the AMC controller 12 c may increase the spreading factor and use more codes to transfer the packet data. Alternately or additionally, the AMC controller may switch from a high data throughput modulation scheme to a lower one, such as from 64-QAM to 16-QAM or QPSK.
- a switch to a higher capacity modulation scheme is made, such as from QPSK to 16-ary QAM or 64-ary QAM, ( 66 ).
- the decision preferably uses both the retransmission rate and other link quality measurements signaled from the receiver, such as BER or BLER, ( 62 ).
- the decision limits are preferably set by the system operator.
- the retransmission occurrences are used to monitor the channel quality of each subchannel. If the retransmission rate or retransmission rate/link quality for a particular subchannel indicates poor quality, that subchannel may be selectively nulled from the OFDM frequency set, ( 64 ), in order to preclude use of such poor quality subchannels for some future period. If the retransmission rate or retransmission rate/link quality indicates high quality, a previously nulled subchannels may be added back to the OFDM frequency set, ( 66 ).
- Using the retransmission occurrences as a basis for AMC provides a flexibility to match the modulation and coding scheme to the average channel conditions for each user. Additionally, the retransmission rate is insensitive to measurement error and reporting delay from the subscriber unit 16 .
- the uplink ARQ 20 is similar in nature to the downlink ARQ 10 and is comprised of a subscriber unit 26 in which packets from a higher layer ARQ transmitter 28 a of the higher layers 28 are transferred to physical layer ARQ transmitter 26 a .
- the message is transmitted to the base station antenna through switch 26 d , subscriber antenna 25 and air interface 24 .
- the AMC controller likewise, may vary the modulation and coding scheme using the retransmission statistics of a channel.
- Physical layer ARQ receiver 22 a determines if the message has an acceptable error rate requiring retransmission.
- the acknowledgment transmitter reports status to subscriber unit 26 , causing the transmitter 26 a to retransmit or alternatively to clear the original message temporarily stored at transmitter 26 a in readiness to receive the next message from the higher layers 28 .
- Successfully received packets are sent to the network 24 for further processing.
- the system is preferably used for a HSDPA application in a BFWA system, although other implementations may be used.
- the BFWA system may use frequency division duplex or time division duplex SC-FDE or OFDMA.
- the base station and all of the subscribers are in fixed locations.
- the system may comprise a base station and a large number of subscriber units. Each subscriber unit may serve multiple users within one building or several neighboring buildings, for example. These applications typically require a large bandwidth due to the large number of end users at one subscriber unit site.
- a PHY ARQ deployed in such a system is transparent to the higher layers, such as the medium access controllers (MACs).
- MACs medium access controllers
- PHY ARQ can be used in conjunction with higher layer ARQs, such as layer 2 .
- the PHY ARQ reduces the retransmission overhead of the higher layer ARQs.
- FIG. 3 is an illustration of an N-channel stop and wait architecture for a PHYARQ 30 .
- the Physical Layer ARQ transmit function 38 may be located at the base station, subscriber unit or both depending on whether downlink, uplink or both PHY ARQs are used.
- Blocks 34 a of data arrive from the network.
- the network blocks are placed in a queue 34 for transmission over the data channel 41 of the air interface 43 .
- An N-channel sequencer 36 sends data of the blocks sequentially to the N transmitters 40 - 1 to 40 -n. Each transmitter 40 - 1 to 40 -n is associated with a transmit sequence in the data channel 41 .
- Each transmitter 40 - 1 to 40 -n FEC encodes and provides ECS for the block data to produce packets for AMC modulation and transmission in the data channel 41 .
- the FEC encoded/ECS data is stored in a buffer of the transmitter 40 - 1 to 40 -n for possible retransmission. Additionally, control information is sent from the PHYARQ transmitter 38 to synchronize reception, demodulation and decoding at the receivers 46 - 1 to 46 -n.
- Each of the N receivers 46 - 1 to 46 -n receives the packet in its associated timeslot.
- the received packet is sent to a respective hybrid ARQ decoder 50 - 1 to 50 -n ( 50 ).
- the hybrid ARQ decoder 50 determines the error rate, such as BER or BLER, for the received packet. If the packet has an acceptable error rate, it is released to the higher levels for further processing and an ACK is sent by the ACK transmitter 54 . If the error rate is unacceptable or no packet was received, no ACK is sent or a NAK is sent. Packets with unacceptable error rates are buffered at the decoder 50 for potential combining with a retransmitted packet.
- One approach for combining packets using turbo codes is as follows. If a turbo encoded packet is received with an unacceptable error rate, the packet data is retransmitted to facilitate code combining. The packet containing the same data is encoded differently. To decode the packet data, both packets are processed by the turbo decoder to recover the original data. Since the second packet has a different encoding, its soft symbols are mapped to different points in the decoding scheme. Using two packets with different encoding adds coding diversity and transmission diversity to improve the overall BER. In another approach, the identical signal is transmitted. The two received packets are combined using a maximum ratio combining of symbols. The combined signal is subsequently decoded.
- the ACK for each receiver 46 - 1 to 46 -n is sent in a fast feedback channel (FFC) 45 .
- the fast feedback channel 45 is preferably a low latency channel.
- the ACKs may be sent in idle periods between upstream and downstream transmissions.
- the FFC 45 is preferably a low speed, high bandwidth CDMA channel overlaying other in-band transmissions.
- the FFC CDMA codes and modulations are selected to minimize interference to other in-band transmissions. To increase the capacity of such a FFC 45 , multiple codes may be used.
- the ACK receiver 56 detects the ACKs and indicates to the corresponding transmitter 40 - 1 to 40 -n whether the ACK was received. If the ACK was not received, the packet is retransmitted. The retransmitted packet may have a different modulation and coding scheme as directed by the AMC controller 12 c, 26 c . If the ACK is received, the transmitter 40 - 1 to 40 -n clears the previous packet from the buffer and accepts a subsequent packet for transmission.
- the number of transmitters and receivers N is based on various design considerations, such as the channel capacity and ACK response time.
- a 2-channel architecture is preferably utilized, with even and odd transmitters and receivers.
- the PHY ARQ technique of the preferred embodiment provides a 7 db gain in signal to noise ratio (SNR) as compared to a system using only higher layer ARQ. This occurs by operating at higher block error rates (BLERs) (5-20% BLER) and using smaller block sizes for layer 1 than is practical with higher layer ARQ alone.
- SNR signal to noise ratio
- the decreased SNR requirement allows for: increased capacity by switching to high order modulation employing an adaptive modulation and coding (AMC) technique; lower customer premise equipment (CPE) costs by using lower grade RF (radio frequency) components with the PHY ARQ compensating for reduced implementation performance; increased downlink range which extends the cell radius; reduced downlink power in the base station (BS) to minimize cell-cell interference; and increased power amplifier (PA) back-off when employing a multi-carrier technique.
- AMC adaptive modulation and coding
- CPE customer premise equipment
- RF radio frequency
Abstract
A physical automatic request repeat system comprises a transmitter and a receiver. A physical layer transmitter, at the transmitter, receives data and formats the received data into packets having a particular encoding/data modulation. The physical layer transmitter contains n channels which transmit the packets and retransmits packets in response to not receiving a corresponding acknowledgment for a given packet. An adaptive modulation and coding controller in the transmitter collects retransmission statistics and adjusts the particular encoding/data modulations using the collected statistics. The receiver has a physical layer n-channel receiver for receiving the packets. The receiver contains an n-channel hybrid ARQ combiner/decoder which combines packet transmissions, decodes packets and detects packet errors. The receiver contains an acknowledgment transmitter which transmits an acknowledgment for each packet, if that packet has an acceptable error rate. The receiver contains an in-sequence delivery element which delivers acceptable packets to higher layers.
Description
- The present invention relates to wireless communication systems. More particularly, it relates to a modification to such systems by employing a physical layer (PHY) automatic repeat request (ARQ) scheme.
- Proposed broadband fixed wireless access (BFWA) communication systems, using either single carrier-frequency domain equalization (SC-FDE) or orthogonal frequency division multiplex (OFDM) plan on using a high speed downlink packet access (HSDPA) application. This application will transmit downlink packet data at high speeds. In BFWA, a building or group of buildings are connected, either wirelessly or wired, and operate as a single subscriber site. The data demand for such a system is quite high for the single site's multiple end users requiring large bandwidths.
- The current proposed system employs a
layer 2 automatic repeat request (ARQ) system. Data blocks unsuccessfully transmitted to the subscribers are buffered and retransmitted fromlayer 2. The data blocks stored inlayer 2 are typically large, are transmitted for high signal to noise ratio (SNR) reception, are received with a low block error rate (BLER), and are infrequently retransmitted. Additionally,layer 2 ARQ signaling is typically slow requiring large buffers and long retransmission intervals. - Accordingly, it is desirable to have alternatives in addition to a
layer 2 ARQ system. - A physical automatic request repeat system comprises a transmitter and a receiver. A physical layer transmitter, at the transmitter, receives data and formats the received data into packets having a particular encoding/data modulation. The physical layer transmitter contains n channels which transmit the packets and retransmits packets in response to not receiving a corresponding acknowledgment for a given packet. An adaptive modulation and coding controller in the transmitter collects retransmission statistics and adjusts the particular encoding/data modulations using the collected statistics. The receiver has a physical layer n-channel receiver for receiving the packets. The receiver contains an n-channel hybrid ARQ combiner/decoder which combines packet transmissions, decodes packets and detects packet errors. The receiver contains an acknowledgment transmitter which transmits an acknowledgment for each packet, if that packet has an acceptable error rate. The receiver contains an in-sequence delivery element which delivers acceptable packets to higher layers.
- FIGS. 1a and 1 b are simplified block diagrams of downlink and uplink physical ARQs.
- FIG. 2 is a flow chart for using retransmission statistics for adaptive modulation and coding.
- FIG. 3 is block diagram showing a multi-channel stop and wait architecture.
- FIGS. 1a and 1 b respectively show a downlink
physical ARQ 10 and uplinkphysical ARQ 20. - The downlink
physical ARQ 10 comprises abase station 12 receiving packets from the higher layer ARQ transmitter 14 a provided innetwork 14. The packets from transmitter 14 a are applied to the physical layer ARQ transmitter 12 a inbase station 12. The ARQ transmitter 12 a encodes the data with a forward error correcting code (FEC), appends error check sequences (ECSs), modulates the data as directed by the adaptive modulation and coding (AMC) controller 12 c, such as by using binary phase shift keying (BPSK), quadrature phase shift keying (QPSK) or m-ary quadrature amplitude modulation (i.e. 16-QAM or 64-QAM). Additionally, for orthogonal frequency division multiple access (OFDMA), the AMC controller 12 a may vary the subchannels used to carry the packet data. The physical layer ARQ transmitter 12 a transmits packets to thesubscriber unit 16 throughair interface 14 by way of switch, circulator or duplexor 12 d andantenna 13. The transmitter 12 a also temporarily stores the message for retransmission, if necessary, in a buffer memory incorporated in the transmitter 12 a. -
Antenna 15 ofsubscriber unit 16 receives the packet. The packet is input into physicallayer ARQ receiver 16 a through switch, circulator orduplexor 16 b. At thereceiver 16 a, the packet is FEC decoded and checked for errors using the ECS. Thereceiver 16 a then controls acknowledgment transmitter 16 c to either acknowledge (ACK) receipt of a packet with an acceptable error rate or to request retransmission by, preferably, withholding an acknowledgment signal or transmitting a negative acknowledgment (NAK). - The ACK is sent by ACK transmitter16 c to the
base station 12 throughswitch 16 b andantenna 15. The ACK is sent via theair interface 14 toantenna 13 ofbase station 12. The received ACK is processed by an acknowledgment receiver 12 b in the base station. The ACK receiver 12 b delivers the ACK/NAKs to the adaptive modulation and coding (AMC) controller 12 c and to the transmitter 12 a. The AMC controller 12 c analyzes the channel quality to thesubscriber unit 16 using statistics of the received ACKs and may vary the FEC encoding and modulation techniques of subsequent transmissions of the message, as will be described in more detail. If thesubscriber unit 16 acknowledges receipt of the packet, receipt of this ACK atbase station 12 causes the original packet, which was temporarily stored in a buffer memory, to be cleared in readiness for the next packet. - If no ACK is received or a NAK is received, the physical layer transmitter12 a retransmits the original message or selectively modified version of the original message to subscriber 16. At the
subscriber unit 16, the retransmission is combined with the original transmission, if available. This technique facilitates receipt of a correct message by use of data redundancy or selective repeat combining. The packets having an acceptable error rate are transferred tohigher layers 16 d for further processing. The acceptable received packets are delivered to thehigher layers 16 d in the same data order in which the data was provided to transmitter 12 a in the base station (i.e. in-sequence delivery). The maximum number of retransmissions is limited to an operator-defined integer value, such as in the range of 1 to 8. After the maximum number of retransmissions are attempted, the buffer memory is cleared for use by the next packet. Decoding an acknowledgment using small packets at the physical layer reduces transmission delays and message handling time. - Since PHY ARQ occurs at the physical layer, the number of retransmission occurrences for a particular channel, retransmission statistics, is a good measure of that channel's quality. Using the retransmission statistics, the AMC controller12 c may vary the modulation and coding schemes for that channel, as shown in FIG. 2. Additionally, the retransmission statistics can also be combined with other link quality measurements, such as bit error rates (BERs) and block error rates (BLERs), by the AMC controller 12 c to gauge the channel quality and determine whether a change in the modulation and coding scheme is required.
- To illustrate for SC-FDE, the retransmission occurrences for a particular channel are measured to produce retransmission statistics, (60). A decision on whether to change the modulation scheme is made using the retransmission statistics, (62). If the retransmissions are excessive, a more robust coding and modulation scheme is used, (64), usually at a reduced data transfer rate. The AMC controller 12 c may increase the spreading factor and use more codes to transfer the packet data. Alternately or additionally, the AMC controller may switch from a high data throughput modulation scheme to a lower one, such as from 64-QAM to 16-QAM or QPSK. If the rate of retransmissions is low, a switch to a higher capacity modulation scheme is made, such as from QPSK to 16-ary QAM or 64-ary QAM, (66). The decision preferably uses both the retransmission rate and other link quality measurements signaled from the receiver, such as BER or BLER, (62). The decision limits are preferably set by the system operator.
- For OFDMA, the retransmission occurrences are used to monitor the channel quality of each subchannel. If the retransmission rate or retransmission rate/link quality for a particular subchannel indicates poor quality, that subchannel may be selectively nulled from the OFDM frequency set, (64), in order to preclude use of such poor quality subchannels for some future period. If the retransmission rate or retransmission rate/link quality indicates high quality, a previously nulled subchannels may be added back to the OFDM frequency set, (66).
- Using the retransmission occurrences as a basis for AMC provides a flexibility to match the modulation and coding scheme to the average channel conditions for each user. Additionally, the retransmission rate is insensitive to measurement error and reporting delay from the
subscriber unit 16. - The
uplink ARQ 20 is similar in nature to thedownlink ARQ 10 and is comprised of asubscriber unit 26 in which packets from a higher layer ARQ transmitter 28 a of thehigher layers 28 are transferred to physicallayer ARQ transmitter 26 a. The message is transmitted to the base station antenna through switch 26 d,subscriber antenna 25 andair interface 24. The AMC controller, likewise, may vary the modulation and coding scheme using the retransmission statistics of a channel. - Physical layer ARQ receiver22 a, similar to
receiver 16 a of FIG. 1a, determines if the message has an acceptable error rate requiring retransmission. The acknowledgment transmitter reports status tosubscriber unit 26, causing thetransmitter 26 a to retransmit or alternatively to clear the original message temporarily stored attransmitter 26 a in readiness to receive the next message from the higher layers 28. Successfully received packets are sent to thenetwork 24 for further processing. - Although not shown for purposes of simplicity, the system is preferably used for a HSDPA application in a BFWA system, although other implementations may be used. The BFWA system may use frequency division duplex or time division duplex SC-FDE or OFDMA. In such a system, the base station and all of the subscribers are in fixed locations. The system may comprise a base station and a large number of subscriber units. Each subscriber unit may serve multiple users within one building or several neighboring buildings, for example. These applications typically require a large bandwidth due to the large number of end users at one subscriber unit site.
- A PHY ARQ deployed in such a system is transparent to the higher layers, such as the medium access controllers (MACs). As a result, PHY ARQ can be used in conjunction with higher layer ARQs, such as
layer 2. In such cases, the PHY ARQ reduces the retransmission overhead of the higher layer ARQs. - FIG. 3 is an illustration of an N-channel stop and wait architecture for a PHYARQ30. The Physical Layer ARQ transmit
function 38 may be located at the base station, subscriber unit or both depending on whether downlink, uplink or both PHY ARQs are used. Blocks 34 a of data arrive from the network. The network blocks are placed in aqueue 34 for transmission over thedata channel 41 of theair interface 43. An N-channel sequencer 36 sends data of the blocks sequentially to the N transmitters 40-1 to 40-n. Each transmitter 40-1 to 40-n is associated with a transmit sequence in thedata channel 41. Each transmitter 40-1 to 40-n FEC encodes and provides ECS for the block data to produce packets for AMC modulation and transmission in thedata channel 41. The FEC encoded/ECS data is stored in a buffer of the transmitter 40-1 to 40-n for possible retransmission. Additionally, control information is sent from thePHYARQ transmitter 38 to synchronize reception, demodulation and decoding at the receivers 46-1 to 46-n. - Each of the N receivers46-1 to 46-n receives the packet in its associated timeslot. The received packet is sent to a respective hybrid ARQ decoder 50-1 to 50-n (50). The
hybrid ARQ decoder 50 determines the error rate, such as BER or BLER, for the received packet. If the packet has an acceptable error rate, it is released to the higher levels for further processing and an ACK is sent by theACK transmitter 54. If the error rate is unacceptable or no packet was received, no ACK is sent or a NAK is sent. Packets with unacceptable error rates are buffered at thedecoder 50 for potential combining with a retransmitted packet. - One approach for combining packets using turbo codes is as follows. If a turbo encoded packet is received with an unacceptable error rate, the packet data is retransmitted to facilitate code combining. The packet containing the same data is encoded differently. To decode the packet data, both packets are processed by the turbo decoder to recover the original data. Since the second packet has a different encoding, its soft symbols are mapped to different points in the decoding scheme. Using two packets with different encoding adds coding diversity and transmission diversity to improve the overall BER. In another approach, the identical signal is transmitted. The two received packets are combined using a maximum ratio combining of symbols. The combined signal is subsequently decoded.
- The ACK for each receiver46-1 to 46-n is sent in a fast feedback channel (FFC) 45. The
fast feedback channel 45 is preferably a low latency channel. For a time division duplex system, the ACKs may be sent in idle periods between upstream and downstream transmissions. TheFFC 45 is preferably a low speed, high bandwidth CDMA channel overlaying other in-band transmissions. The FFC CDMA codes and modulations are selected to minimize interference to other in-band transmissions. To increase the capacity of such aFFC 45, multiple codes may be used. - The ACK receiver56 detects the ACKs and indicates to the corresponding transmitter 40-1 to 40-n whether the ACK was received. If the ACK was not received, the packet is retransmitted. The retransmitted packet may have a different modulation and coding scheme as directed by the AMC controller 12 c, 26 c. If the ACK is received, the transmitter 40-1 to 40-n clears the previous packet from the buffer and accepts a subsequent packet for transmission.
- The number of transmitters and receivers N is based on various design considerations, such as the channel capacity and ACK response time. For the preferred system previously described, a 2-channel architecture is preferably utilized, with even and odd transmitters and receivers.
- The PHY ARQ technique of the preferred embodiment provides a 7 db gain in signal to noise ratio (SNR) as compared to a system using only higher layer ARQ. This occurs by operating at higher block error rates (BLERs) (5-20% BLER) and using smaller block sizes for
layer 1 than is practical with higher layer ARQ alone. The decreased SNR requirement allows for: increased capacity by switching to high order modulation employing an adaptive modulation and coding (AMC) technique; lower customer premise equipment (CPE) costs by using lower grade RF (radio frequency) components with the PHY ARQ compensating for reduced implementation performance; increased downlink range which extends the cell radius; reduced downlink power in the base station (BS) to minimize cell-cell interference; and increased power amplifier (PA) back-off when employing a multi-carrier technique.
Claims (31)
1. A method for adjusting data modulation in a wireless communication system, the method comprising:
receiving data at a transmitter for transmission to a receiver;
formatting the received data into packets for transmission to the receiver, each packet having a particular encoding/data modulation;
transmitting the packets to the receiver;
receiving the packets at the receiver;
for each received packet, generating and transmitting an acknowledgment at the physical layer using a fast feedback channel, if the received packet has an acceptable error rate;
retransmitting that received packet at the transmitter, if an acknowledgment for that packet is not received;
collecting retransmission statistics; and
adjusting each particular encoding/data modulation using the collected retransmission statistics.
2. The method of claim 1 wherein the particular encoding/data modulation is forward error correction (FEC) encoding/data modulation.
3. The method of claim 2 wherein the packets are transmitted using an orthogonal frequency division multiple access (OFDMA) air interface and the particular FEC encoding/data modulation adjusting is performed in addition to selective nulling of subchannels in an OFDMA set.
4. The method of claim 1 wherein the packets are transmitted using a single carrier with frequency domain equalization (SC-FDE) air interface.
5. The method of claim 1 wherein the acknowledgments are transmitted on the fast feedback channel using a code division multiple access (CDMA) air interface.
6. The method of claim 1 further comprising at the receiver for each received packet transmitting a negative acknowledgment, if that packet has an unacceptable error rate.
7. A physical layer automatic request repeat system comprising:
a transmitter having:
a physical layer transmitter for receiving data, formatting the received data into packets, each packet having a particular encoding/data modulation, transmitting the packets, and retransmitting packets in response to not receiving a corresponding acknowledgment for a given packet;
an ACK receiver for receiving the corresponding acknowledgment; and
an adaptive modulation and coding (AMC) controller for collecting retransmission statistics and adjusting the particular data modulations using the collected statistics; and
a receiver having:
a physical layer receiver for demodulating the packets;
a hybrid ARQ combiner/decoder for buffering, decoding and detecting packet errors; and
an acknowledgment transmitter for transmitting an acknowledgment for each packet, if that packet has an acceptable error rate.
8. The system of claim 7 wherein the particular encoding/data modulation is forward error correction (FEC) encoding/data modulation.
9. The system of claim 8 wherein the packets are transmitted using an orthogonal frequency division multiple access (OFDMA) air interface and the particular FEC encoding/data modulation adjusting is performed in addition to selective nulling of subchannels in an OFDMA set.
10. The system of claim 7 wherein the packets are transmitted using a single carrier with frequency domain equalization (SC-FDE) air interface.
11. The method of claim 7 wherein the acknowledgments are transmitted on a fast feedback channel using a code division multiple access (CDMA) air interface.
12. The system of claim 7 further comprising at the receiver transmitting a negative acknowledgment, if any packet has an unacceptable error rate.
13. A physical automatic request repeat system comprising:
a transmitter having:
means for receiving data;
means for formatting the received data into packets for transmission to the receiver, each packet having a particular encoding/data modulation;
means for transmitting the packets to a receiver;
means for retransmitting one of the packets, if an acknowledgment for that packet is not received;
means for collecting retransmission statistics; and
means for adjusting each particular data modulation using the collected retransmission statistics; and
a receiver having:
means for receiving the packets; and
means for each received packet, for decoding and error checking the received packet, and for generating and transmitting an acknowledgment at the physical layer, if that received packet has an acceptable error rate.
14. The system of claim 13 wherein the particular encoding/data modulation is a particular forward error correction (FEC) encoding/data modulation.
15. The system of claim 13 wherein the packets are transmitted using an orthogonal frequency division multiple access (OFDMA) air interface and the particular FEC encoding/data modulation adjusting is performed in addition to selective nulling of subchannels in an OFDMA set.
16. The system of claim 13 wherein the packets are transmitted using a single carrier with frequency domain equalization (SC-FDE) air interface.
17. The method of claim 13 wherein the acknowledgments are transmitted on a fast feedback channel using a code division multiple access (CDMA) air interface.
18. The system of claim 13 further comprising at the receiver for each received packet, transmitting a negative acknowledgment, if that packet has an unacceptable error rate.
19. A communication system employing broadband fixed wireless access comprising:
a sequencer having a queue for receiving data blocks from the network for sequentially conveying packets to n transmitters;
said destination device having n receivers, each associated with one of said n transmitters;
n hybrid ARQ decoders each coupled with one of said n receivers;
said n transmitters subsequently transmitting to their associated n receivers through a data channel;
said n hybrid ARQ decoders having a feedback channel for transmitting acknowledgments to their associated transmitters for controlling retransmission and providing an acknowledge signal to its associated transmitter when an acceptable error rate packet has been received; and
said n hybrid ARQ decoders releasing packets which have an acceptable error rate.
20. The communication system of claim 19 wherein said n signal transmitters each temporarily store a packet that has been transmitted in a buffer memory; and
one of said n transmitters receiving an acknowledge signal from an associated hybrid decoder clearing the stored packet in readiness for receipt of another block.
21. The communication system of claim 19 wherein said n transmitters each temporarily store a packet that has been transmitted in a buffer memory; and
one of said n transmitters failing to receive an acknowledge signal from its associated decoder retransmits the packet temporarily stored in its buffer memory.
22. The system of claim 19 wherein one of said n transmitters clears its buffer memory if an acknowledge signal is not received from its associated decoder after a maximum number of retransmissions.
23. The system of claim 19 wherein the maximum number or retransmissions is an operator defined integer having a range from 1 to 8.
24. The system of claim 19 wherein one of said n receivers requiring a retransmission combines a retransmitted packet with an original transmitted packet to facilitate error correction.
25. The system of claim 19 wherein a transmitter failing to receive an acknowledge signal from an associated decoder encodes the packet employing a different encoding technique from an encoding technique employed in an original transmission of that packet.
26. The system of claim 19 wherein the n transmitters employs Turbo coding and the decoder employs code combining of an original transmission and a retransmission to facilitate error correction.
27. The system of claim 19 wherein one of said n transmitters are incorporated in a base station and said n receivers are incorporated in a subscriber unit.
28. The system of claim 19 wherein said n transmitter are incorporated in a subscriber unit and said n receivers are incorporated in a base station.
29. The system of claim 19 wherein packets are transmitted using an orthogonal frequency division multiple access (OFDMA) air interface in which frequency subchannels in an OFDMA set may be selectively nulled.
30. The system of claim 19 wherein the packets are transmitted using a single carrier with frequency domain equalization (SC-FDE) air interface.
31. The method of claim 19 wherein the acknowledgments are transmitted on a fast feedback channel using a code division multiple access (CDMA) air interface.
Priority Applications (182)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/939,410 US20030039226A1 (en) | 2001-08-24 | 2001-08-24 | Physical layer automatic repeat request (ARQ) |
US10/085,203 US20030039220A1 (en) | 2001-08-24 | 2002-02-27 | Implementing a physical layer automatic repeat request for a subscriber unit |
US10/084,414 US7149192B2 (en) | 2001-08-24 | 2002-02-27 | Base station implementing a physical layer automatic repeat request |
US10/084,043 US7672265B2 (en) | 2001-08-24 | 2002-02-27 | Method for physical layer automatic repeat request for a base station |
US10/085,187 US7519018B2 (en) | 2001-08-24 | 2002-02-27 | Method for physical layer automatic repeat request for a subscriber unit |
TW091211155U TW549774U (en) | 2001-08-24 | 2002-07-22 | High speed downlink packet access (HSDPA) base station using a physical layer automatic repeat request mechanism |
TW091211158U TW563968U (en) | 2001-08-24 | 2002-07-22 | Single carrier-frequency domain equalization (SC-FDE) user equipment having a physical layer automatic repeat request mechanism |
TW091211160U TW565075U (en) | 2001-08-24 | 2002-07-22 | Orthogonal frequency division multiple access (OFDMA) user equipment having a physical layer automatic repeat request mechanism |
TW091211157U TW549775U (en) | 2001-08-24 | 2002-07-22 | Broadband fixed wireless access (BFWA) base station having a physical layer automatic repeat request mechanism |
TW091211154U TW565080U (en) | 2001-08-24 | 2002-07-22 | High speed downlink packet access (HSDPA) user equipment using a physical layer automatic repeat request mechanism |
TW091211159U TW565082U (en) | 2001-08-24 | 2002-07-22 | Single carrier-frequency domain equalization (SC-FDE) base station having a physical layer automatic repeat request mechanism |
TW091211156U TW565081U (en) | 2001-08-24 | 2002-07-22 | Broadband fixed wireless access (BFWA) user equipment using a physical layer automatic repeat request mechanism |
TW091211161U TW562343U (en) | 2001-08-24 | 2002-07-22 | Orthogonal frequency division multiple access (OFDMA) base station having a physical layer automatic repeat request mechanism |
GE5469A GEP20063881B (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
KR1020057015529A KR20050091104A (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
PCT/US2002/024404 WO2003019376A1 (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
CN200910225820A CN101715208A (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
CA002457223A CA2457223C (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
AU2002324584A AU2002324584B2 (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
IL16019102A IL160191A0 (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
CA002651271A CA2651271A1 (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
AT02759236T ATE526738T1 (en) | 2001-08-24 | 2002-08-01 | BASE STATION THAT IMPLEMENTS AN AUTOMATIC REPEAT REQUEST OF THE PHYSICAL LAYER |
EP02759236A EP1436701B1 (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
BR0212700-8A BR0212700A (en) | 2001-08-24 | 2002-08-01 | Base station implementing physical layer auto repeat request |
CNB028164040A CN100574173C (en) | 2001-08-24 | 2002-08-01 | Implement the base station of physical layer automatic repeat request |
KR1020077017740A KR20070095993A (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
MXPA04001740A MXPA04001740A (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request. |
KR1020047002495A KR100654285B1 (en) | 2001-08-24 | 2002-08-01 | Base station implementing a physical layer automatic repeat request |
JP2003523370A JP4540338B2 (en) | 2001-08-24 | 2002-08-01 | Base station implementing physical layer auto-repeat request |
KR1020087021005A KR100961918B1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
JP2003524168A JP4540341B2 (en) | 2001-08-24 | 2002-08-21 | Method of base station physical layer automatic repeat request |
CNA2007100840729A CN101005337A (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a subscriber unit and its system |
EP02761439A EP1436915B1 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request |
KR1020077018881A KR100909259B1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
GE5470A GEP20063787B (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
PCT/US2002/026591 WO2003019838A1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
KR1020057015659A KR100811028B1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
IL16025102A IL160251A0 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
CA002457239A CA2457239A1 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (arq) |
MXPA04001737A MXPA04001737A (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (arq). |
DE60239540T DE60239540D1 (en) | 2001-08-24 | 2002-08-21 | METHOD FOR AUTOMATIC REPLAY REQUIREMENTS OF THE PHYSICAL LAYER FOR A BASE STATION |
CN02816402.4A CN100505599C (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (arq) method |
EP08014710A EP2017995B1 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (ARQ) |
EP02796397A EP1419603B1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
AU2002326706A AU2002326706B2 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (ARQ) |
MXPA04001739A MXPA04001739A (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station. |
KR1020047002493A KR100798714B1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
KR1020097012403A KR100945404B1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
BR0212698-2A BR0212698A (en) | 2001-08-24 | 2002-08-21 | Physical layer auto-repeat request method for base station |
BR0212699-0A BR0212699A (en) | 2001-08-24 | 2002-08-21 | Physical layer auto repeat request (arq) |
AT02796397T ATE503308T1 (en) | 2001-08-24 | 2002-08-21 | METHOD FOR AUTOMATIC PHYSICAL LAYER REPEAT REQUIREMENTS FOR A BASE STATION |
CNB028165640A CN1300950C (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (arq) |
KR1020087031994A KR20090009993A (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
ES02761439T ES2312613T3 (en) | 2001-08-24 | 2002-08-21 | APPLICATION FOR PHYSICAL LAYER AUTOMATIC REPETITION. |
KR1020097023343A KR20090123023A (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
AT02761439T ATE406001T1 (en) | 2001-08-24 | 2002-08-21 | AUTOMATIC REPEAT REQUEST OF PHYSICAL LAYER |
JP2003524151A JP4540340B2 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (ARQ) |
AU2002332602A AU2002332602B2 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
IL16019202A IL160192A0 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request |
DK02761439T DK1436915T3 (en) | 2001-08-24 | 2002-08-21 | Automatic repetition request in physical layer |
GE5464A GEP20063935B (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (arq) |
PCT/US2002/026533 WO2003019817A1 (en) | 2001-08-24 | 2002-08-21 | Physical layer automatic repeat request (arq) |
CA002457243A CA2457243A1 (en) | 2001-08-24 | 2002-08-21 | Method for physical layer automatic repeat request for a base station |
DE60228467T DE60228467D1 (en) | 2001-08-24 | 2002-08-21 | AUTOMATIC REPEAT REQUIREMENT OF THE PHYSICAL LAYER |
TW096116723A TW200814600A (en) | 2001-08-24 | 2002-08-22 | Physical layer automatic repeat request (ARQ) |
CNU022474773U CN2686216Y (en) | 2001-08-24 | 2002-08-22 | Wideband fixing wireless switch-in user equipment with automatic repeat request mechanism of physical layer |
TW091119055A TW556422B (en) | 2001-08-24 | 2002-08-22 | Base station implementing a physical layer automatic repeat request |
CNU02247479XU CN2669535Y (en) | 2001-08-24 | 2002-08-22 | Broadband fixed wireless accessing base station with physical-tier automatic repeat request mechanism |
CNU022474811U CN2686247Y (en) | 2001-08-24 | 2002-08-22 | Single carrier wave frequency domain equalizing (SC-FDE) base station with automatic retry request mechanism of physical layer |
TW094129347A TWI315136B (en) | 2001-08-24 | 2002-08-22 | Implementing a physical layer automatic repeat request for a subscriber unit |
TW092128225A TWI282693B (en) | 2001-08-24 | 2002-08-22 | Physical layer automatic repeat request (ARQ) system |
TW091119058A TWI264229B (en) | 2001-08-24 | 2002-08-22 | Method for physical layer automatic repeat request for a subscriber unit |
TW096146937A TW200843399A (en) | 2001-08-24 | 2002-08-22 | Implementing a physical layer automatic repeat request for a subscriber unit |
TW094127030A TWI278192B (en) | 2001-08-24 | 2002-08-22 | Method for physical layer automatic repeat request for a subscriber unit |
TW092127559A TWI269543B (en) | 2001-08-24 | 2002-08-22 | Method for physical layer automatic repeat request for a subscriber unit |
TW091119057A TWI261984B (en) | 2001-08-24 | 2002-08-22 | Implementing a physical layer automatic repeat request for a subscriber unit |
TW095142162A TWI330016B (en) | 2001-08-24 | 2002-08-22 | Method for physical layer automatic repeat request for a subscriber unit |
CNU022474749U CN2662571Y (en) | 2001-08-24 | 2002-08-22 | Single-Carrier Frequency-Domain Equalization (SC-FDE) subscriber equipment with automatic physical layer request retransmission mechanism |
CNU022474803U CN2686246Y (en) | 2001-08-24 | 2002-08-22 | Orthogonal frequency division multiple access (OFDMA) base station with automatic request-repeat mechanism of physical layer |
TW092128227A TWI300297B (en) | 2001-08-24 | 2002-08-22 | Implementing a physical layer automatic repeat request for a base station |
TW098132003A TW201029378A (en) | 2001-08-24 | 2002-08-22 | Implementing a physical layer automatic repeat request for a subscriber unit |
TW095129280A TWI333348B (en) | 2001-08-24 | 2002-08-22 | Method for adjusting data modulation at a base station |
TW091119054A TWI261983B (en) | 2001-08-24 | 2002-08-22 | Physical layer automatic repeat request (ARQ) |
CNU022474757U CN2662570Y (en) | 2001-08-24 | 2002-08-22 | High Speed Downlink Packet Access (HSDPA) base station with automatic physical layer request retransmission mechanism |
TW091119056A TW556423B (en) | 2001-08-24 | 2002-08-22 | Method for physical layer automatic repeat request for a base station |
CNU022474781U CN2669494Y (en) | 2001-08-24 | 2002-08-22 | Quadrature frequency division multi-access (QFDMA) user device with physical-tier automatic repent request mechanism |
CNU022474765U CN2699605Y (en) | 2001-08-24 | 2002-08-22 | High speed downlink packet access (HSDPA) user equipment having physical layer ARQ (automatic repeat request) mechanism |
CA2457883A CA2457883C (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
EP02761481A EP1421743B9 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
ARP020103161A AR036283A1 (en) | 2001-08-24 | 2002-08-23 | AN APPLICATION ORDER FOR AUTOMATIC REPETITION, PHYSICAL LAYER, AND BASE STATIONS THAT USE IT |
JP2003524174A JP4540342B2 (en) | 2001-08-24 | 2002-08-23 | Implementation of automatic repeat request for subscriber unit physical layer |
MYPI20023133A MY135542A (en) | 2001-08-24 | 2002-08-23 | Base station implementing a physical layer automatic repeat request |
KR2020020025153U KR200294539Y1 (en) | 2001-08-24 | 2002-08-23 | Broadband fixed wireless access(BFWA) base station having a physical layer automatic repeat request mechanism |
AT02753522T ATE557481T1 (en) | 2001-08-24 | 2002-08-23 | METHOD FOR AUTOMATIC PHYSICAL LAYER REPOST REQUEST FOR A SUBSCRIBE UNIT |
PCT/US2002/026940 WO2003019812A1 (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
EP10162978.0A EP2214330B1 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
AT02761481T ATE470279T1 (en) | 2001-08-24 | 2002-08-23 | EXECUTION OF AN AUTOMATIC REPOST REQUEST IN THE PHYSICAL LOCATION FOR A SUBSCRIBER UNIT |
KR2020020025155U KR200294366Y1 (en) | 2001-08-24 | 2002-08-23 | Single carrier-frequency domain equalization(SC-FDE) base station having a physical layer automatic repeat request mechanism |
BR0212697-4A BR0212697A (en) | 2001-08-24 | 2002-08-23 | Physical layer auto-repeat request method for subscriber unit |
CNB028164067A CN100337410C (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
GE5472A GEP20063847B (en) | 2001-08-24 | 2002-08-23 | Method for Physical Layer Automatic Repeat Request for a Subscriber Unit |
ARP020103163A AR036284A1 (en) | 2001-08-24 | 2002-08-23 | AN APPLICATION ORDER FOR AUTOMATIC REPETITION, PHYSICAL LAYER, AND A SUBSCRIBER UNIT USING THIS APPLIANCE |
IL16033102A IL160331A0 (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
KR1020057015261A KR20050098006A (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
CA2457881A CA2457881C (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
JP2003524148A JP4540339B2 (en) | 2001-08-24 | 2002-08-23 | Subscriber unit physical layer auto-repeat request method |
AU2002326744A AU2002326744B2 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
ARP020103162A AR039061A1 (en) | 2001-08-24 | 2002-08-23 | A METHOD TO ADJUST THE MODULATION IN A BASE STATION |
KR1020057016093A KR20050098015A (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
KR1020047002378A KR100798713B1 (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
EP14171291.9A EP2793409A1 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
KR1020077019302A KR20070101344A (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
GEAP20029202A GEP20094598B (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
KR2020020025157U KR200294368Y1 (en) | 2001-08-24 | 2002-08-23 | Orthogonal frequency division multiple access(OFDMA) base station having a physical layer automatic repeat request mechanism |
MYPI20023129A MY136488A (en) | 2001-08-24 | 2002-08-23 | Physical layer automatic repeat request (arq) |
MYPI20023132A MY138627A (en) | 2001-08-24 | 2002-08-23 | method for physical layer automatic repeat request for a base station |
BR0212701-6A BR0212701A (en) | 2001-08-24 | 2002-08-23 | Physical layer auto-repeat request implementation for subscriber unit |
KR2020020025154U KR200294365Y1 (en) | 2001-08-24 | 2002-08-23 | Single carrier-frequency domain equalization(SC-FDE) user equipment having a physical layer automatic repeat request mechanism |
MYPI20023131A MY137091A (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
EP02753522A EP1421709B1 (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
ARP020103164A AR036285A1 (en) | 2001-08-24 | 2002-08-23 | A METHOD TO ADJUST THE MODULATION OF DATA IN A SUBSCRIBER UNIT |
MXPA04001738A MXPA04001738A (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit. |
KR2020020025156U KR200294367Y1 (en) | 2001-08-24 | 2002-08-23 | Orthogonal frequency division multiple access(OFDMA) user equipment having a physical layer automatic repeat request mechanism |
KR1020047002469A KR100798715B1 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
KR2020020025152U KR200294364Y1 (en) | 2001-08-24 | 2002-08-23 | Broadband fixed wireless access(BFWA) user equipment using a physical layer automatic repeat request mechanism |
CNB028165667A CN100450066C (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
KR2020020025151U KR200294538Y1 (en) | 2001-08-24 | 2002-08-23 | High speed downlink packet access(HSDPA) base station using a physical layer automatic repeat request mechanism |
DE60236604T DE60236604D1 (en) | 2001-08-24 | 2002-08-23 | PERFORMANCE OF AN AUTOMATIC REPEAT REQUEST IN THE PHYSICAL LOCATION FOR A PARTICIPATING UNIT |
MXPA04001736A MXPA04001736A (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit. |
PCT/US2002/026941 WO2003019844A2 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
GE5471A GEP20063981B (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
CA2690114A CA2690114A1 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
KR2020020025150U KR200294363Y1 (en) | 2001-08-24 | 2002-08-23 | High speed downlink packet access(HSDPA) user equipment using a physical layer automatic repeat request mechanism |
ARP020103160A AR038784A1 (en) | 2001-08-24 | 2002-08-23 | A METHOD FOR ADJUSTING THE MODULATION OF DATA IN A WIRELESS COMMUNICATIONS SYSTEM; A PHYSICAL LAYER AUTOMATIC REPETITION ORDER SYSTEM AND A COMMUNICATIONS SYSTEM THAT USES A WIDE BAND FIXED WIRELESS ACCESS. |
KR1020077020307A KR20070106547A (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
IL16033002A IL160330A0 (en) | 2001-08-24 | 2002-08-23 | Implementing a physical layer automatic repeat request for a subscriber unit |
MYPI20023134A MY141202A (en) | 2001-08-24 | 2002-08-23 | Method for physical layer automatic repeat request for a subscriber unit |
KR1020030073337A KR100564701B1 (en) | 2001-08-24 | 2003-10-21 | High speed downlink packet access(hsdpa) user equipment using a physical layer automatic repeat request mechanism |
KR1020030073336A KR100564707B1 (en) | 2001-08-24 | 2003-10-21 | Broadband fixed wireless access(bfwa) user equipment using a physical layer automatic repeat request mechanism |
KR1020030073357A KR100564702B1 (en) | 2001-08-24 | 2003-10-21 | Orthogonal frequency division multiple access(ofdma) user equipment having a physical layer automatic repeat request mechanism |
KR10-2003-0073349A KR20030089662A (en) | 2001-08-24 | 2003-10-21 | Single carrier-frequency domain equalization(sc-fde) user equipment having a physical layer automatic repeat request mechanism |
KR1020030073354A KR100564704B1 (en) | 2001-08-24 | 2003-10-21 | Orthogonal frequency division multiple access(ofdma) base station having a physical layer automatic repeat request mechanism |
KR1020030073335A KR100564703B1 (en) | 2001-08-24 | 2003-10-21 | Broadband fixed wireless access(bfwa) base station having a physical layer automatic repeat request mechanism |
KR1020030073356A KR100564705B1 (en) | 2001-08-24 | 2003-10-21 | Single carrier-frequency domain equalization(sc-fde) base station having a physical layer automatic repeat request mechanism |
KR1020030075050A KR100653227B1 (en) | 2001-08-24 | 2003-10-27 | High speed downlink packet access(hsdpa) base station using a physical layer automatic repeat request mechanism |
IL160191A IL160191A (en) | 2001-08-24 | 2004-02-03 | Base station implementing a physical layer automatic repeat request |
IL160192A IL160192A (en) | 2001-08-24 | 2004-02-03 | Physical layer automatic repeat request |
IL160251A IL160251A (en) | 2001-08-24 | 2004-02-05 | Method for physical layer automatic repeat request for a base station |
IL160330A IL160330A (en) | 2001-08-24 | 2004-02-11 | Implementing a physical layer automatic repeat request for a subscriber unit |
IL160331A IL160331A (en) | 2001-08-24 | 2004-02-11 | Method for physical layer automatic repeat request for a subscriber unit |
NO20040787A NO20040787L (en) | 2001-08-24 | 2004-02-23 | Automatic Repeat Request (ARQ) in a physical layer. |
NO20040784A NO20040784L (en) | 2001-08-24 | 2004-02-23 | Implementation of automatic repetition device in a physical layer for a subscriber unit. |
NO20040785A NO20040785L (en) | 2001-08-24 | 2004-02-23 | Automatic Repeat Request Procedure for a Base Station Physical Layer. |
NO20040783A NO20040783L (en) | 2001-08-24 | 2004-02-23 | Automatic repetition request procedure for a subscriber unit physical layer. |
NO20040786A NO20040786L (en) | 2001-08-24 | 2004-02-23 | Base station implementation of automatic rehearsal request in the physical layer. |
HK04110342A HK1067468A1 (en) | 2001-08-24 | 2004-12-30 | Physical layer automatic repeat request (arq) |
HK05100427.8A HK1068426A1 (en) | 2001-08-24 | 2005-01-17 | Base station implementing a physical layer automatic repeat request |
HK05100426.9A HK1068473A1 (en) | 2001-08-24 | 2005-01-17 | Method for physical layer automatic repeat request for a base station |
HK05102753.8A HK1070210A1 (en) | 2001-08-24 | 2005-04-01 | Implementing a physical layer automatic repeat request for a subscriber unit |
HK05102754A HK1070198A1 (en) | 2001-08-24 | 2005-04-01 | Method for physical layer automatic repeat requestfor a subscriber unit |
KR1020050075498A KR20050097884A (en) | 2001-08-24 | 2005-08-18 | Broadband fixed wireless access(bfwa) base station having a physical layer automatic repeat request machanism |
KR1020050075502A KR20050098775A (en) | 2001-08-24 | 2005-08-18 | Orthogonal frequency division multiple access(ofdma) base station having a physical layer automatic repeat request mechanism |
KR1020050075501A KR20050096862A (en) | 2001-08-24 | 2005-08-18 | Broadband fixed wireless access(bfwa) user equipment using a physical layer automatic repeat request mechanism |
KR1020050075500A KR20050096861A (en) | 2001-08-24 | 2005-08-18 | High speed downlink packet access(hsdpa) user equipment using a physical layer automatic repeat request mechanism |
KR1020050076207A KR100849910B1 (en) | 2001-08-24 | 2005-08-19 | High speed downlink packet access(hsdpa) base station using a physical layer automatic repeat request mechanism |
KR1020050076143A KR20050097886A (en) | 2001-08-24 | 2005-08-19 | Orthogonal frequency division multiple access(ofdma) user equipment having a physical layer automatic repeat request mechanism |
KR1020050076154A KR20050097887A (en) | 2001-08-24 | 2005-08-19 | Single carrier-frequency domain equalization(sc-fde) base station having a physical layer automatic repeat request mechanism |
JP2005253257A JP4523897B2 (en) | 2001-08-24 | 2005-09-01 | Base station implementing physical layer auto-repeat request |
KR1020050102867A KR20050118250A (en) | 2001-08-24 | 2005-10-31 | Single carrier-frequency domain equalization(sc-fde) user equipment having a physical layer automatic repeat request mechanism |
KR1020070080447A KR20070096988A (en) | 2001-08-24 | 2007-08-10 | High speed downlink packet access(hsdpa) user equipment using a physical layer automatic repeat request mechanism |
KR1020070084520A KR20070100672A (en) | 2001-08-24 | 2007-08-22 | Broadband fixed wireless access(bfwa) base station having a physical layer automatic repeat request machanism |
KR1020070084986A KR20070093036A (en) | 2001-08-24 | 2007-08-23 | Orthogonal frequency division multiple access(ofdma) base station having a physical layer automatic repeat request mechanism |
KR1020070085059A KR20070094877A (en) | 2001-08-24 | 2007-08-23 | High speed downlink packet access(hsdpa) base station using a physical layer automatic repeat request mechanism |
KR1020070084978A KR20070093035A (en) | 2001-08-24 | 2007-08-23 | Orthogonal frequency division multiple access(ofdma) user equipment having a physical layer automatic repeat request mechanism |
KR1020070093512A KR20070110214A (en) | 2001-08-24 | 2007-09-14 | Single carrier-frequency domain equalization(sc-fde) base station having a physical layer automatic repeat request mechanism |
KR1020070096628A KR20070112741A (en) | 2001-08-24 | 2007-09-21 | Broadband fixed wireless access(bfwa) user equipment using a physical layer automatic repeat request mechanism |
ARP080102895A AR067421A2 (en) | 2001-08-24 | 2008-07-04 | A METHOD TO ADJUST DATA MODULATION IN A BASE STATION |
IL200079A IL200079A (en) | 2001-08-24 | 2009-07-26 | Physical layer automatic repeat request |
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Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030039219A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Method for physical layer automatic repeat request for a subscriber unit |
US20030131124A1 (en) * | 2002-01-05 | 2003-07-10 | Lg Electronics Inc. | Data transmission method for HSDPA |
US20030153276A1 (en) * | 2002-02-13 | 2003-08-14 | Interdigital Technology Corporation | Transport block set transmission using hybrid automatic repeat request |
US20030210668A1 (en) * | 2002-05-13 | 2003-11-13 | Malladi Durga P. | Mitigation of link imbalance in a wireless communication system |
US20040015767A1 (en) * | 2001-07-13 | 2004-01-22 | Sadaki Futagi | Transmission apparatus and reception apparatus |
US20040047425A1 (en) * | 2001-08-28 | 2004-03-11 | Katsutoshi Itoh | Transmission apparatus, transmission control method, reception apparatus, and reception control method |
US20040076239A1 (en) * | 2002-10-22 | 2004-04-22 | Hee-Jung Yu | Apparatus and method for tracking residual frequency offset for single carrier-frequency domain equalizer system |
US20040082337A1 (en) * | 2002-10-21 | 2004-04-29 | Evolium S.A.S. | Method and a system for managing the changing of resources in a communications network |
US20050224596A1 (en) * | 2003-07-08 | 2005-10-13 | Panopoulos Peter J | Machine that is an automatic pesticide, insecticide, repellant, poison, air freshener, disinfectant or other type of spray delivery system |
US20050225681A1 (en) * | 2004-04-09 | 2005-10-13 | Young-Wook Sohn | Display apparatus |
US7000021B1 (en) * | 2001-10-12 | 2006-02-14 | Cisco Technology, Inc. | ARQ (automatic repeat request) for broadband fixed wireless network |
US20060190796A1 (en) * | 2003-04-04 | 2006-08-24 | Matsushita Electric Industrial Co., Ltd. | Radio transmission device and radio transmission method |
WO2006135221A1 (en) * | 2005-06-17 | 2006-12-21 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US20070263735A1 (en) * | 2004-04-02 | 2007-11-15 | Nortel Networks Limited | Wireless Communication Methods, Systems, and Signal Structures |
US20080002650A1 (en) * | 2006-06-28 | 2008-01-03 | Pengfei Xia | Partially delayed acknowledgment mechanism for reducing decoding delay in WiHD |
US20080037465A1 (en) * | 2006-08-09 | 2008-02-14 | Chiu Ngo | System and method for wireless communication of uncompressed video having acknowledgement (ACK) frames |
US20080159180A1 (en) * | 2005-07-20 | 2008-07-03 | Reha Civanlar | System and method for a high reliability base layer trunk |
US20080219285A1 (en) * | 2007-03-08 | 2008-09-11 | Microsoft Corporation | Multi-Channel Communications Protocol |
US20100067596A1 (en) * | 2008-09-17 | 2010-03-18 | Qualcomm Incorporated | Methods and systems for hybrid mimo decoding |
JP2011030277A (en) * | 2005-06-17 | 2011-02-10 | Samsung Electronics Co Ltd | Device and method for transmitting and receiving broadcast data in mobile communication system |
US7911954B2 (en) | 2003-07-02 | 2011-03-22 | Nokia Corporation | Facilitating retransmission of data packets in a packet radio communication system by utilizing a feedback acknowledgment scheme |
US8031691B2 (en) | 2006-08-09 | 2011-10-04 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed video having acknowledgment (ACK) frames |
US8681888B1 (en) * | 2007-12-26 | 2014-03-25 | Marvell International Ltd. | Link adaptation for OFDM systems |
US9432146B2 (en) | 2009-01-07 | 2016-08-30 | Koninklijke Philips N.V. | Method for communication in a wireless network and communication device |
CN112602126A (en) * | 2018-08-24 | 2021-04-02 | 住友电气工业株式会社 | Information providing device, information providing method, information providing system, computer program, and data structure |
Families Citing this family (123)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002152259A (en) * | 2000-11-13 | 2002-05-24 | Yozan Inc | Communication terminal and charging processing unit |
EP1286491B1 (en) * | 2001-08-22 | 2004-06-30 | Matsushita Electric Industrial Co., Ltd. | Multichannel ARQ method and apparatus |
US7447967B2 (en) * | 2001-09-13 | 2008-11-04 | Texas Instruments Incorporated | MIMO hybrid-ARQ using basis hopping |
KR100827147B1 (en) * | 2001-10-19 | 2008-05-02 | 삼성전자주식회사 | Transceiver and method for re-transmission and decording of high speed data in cdma mobile communication system |
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US6901063B2 (en) * | 2002-05-13 | 2005-05-31 | Qualcomm, Incorporated | Data delivery in conjunction with a hybrid automatic retransmission mechanism in CDMA communication systems |
US8209575B2 (en) | 2002-08-28 | 2012-06-26 | Texas Instruments Incorporated | MIMO hybrid-ARQ using basis hopping |
KR100965861B1 (en) * | 2002-10-24 | 2010-06-24 | 삼성전자주식회사 | Controlling apparatus of hybrid auto repeat request in mobile communication system |
WO2004051872A2 (en) * | 2002-12-04 | 2004-06-17 | Interdigital Technology Corporation | Detection of channel quality indicator |
US7813322B2 (en) * | 2003-02-19 | 2010-10-12 | Qualcomm Incorporated | Efficient automatic repeat request methods and apparatus |
US8099099B2 (en) * | 2003-02-19 | 2012-01-17 | Qualcomm Incorporated | Methods and apparatus related to assignment in a wireless communications system |
KR100981510B1 (en) * | 2003-03-08 | 2010-09-10 | 삼성전자주식회사 | Controlling apparatus and method of hybrid auto repeat request in mobile communication system |
EP1625720B1 (en) * | 2003-05-16 | 2008-09-24 | Matsushita Electric Industrial Co., Ltd. | Transmitting/receiving apparatus and corresponding method for a communication network |
CA2437927A1 (en) * | 2003-08-14 | 2005-02-14 | Ramesh Mantha | Adaptive coding for a shared data communication channel |
US7447148B2 (en) * | 2003-10-28 | 2008-11-04 | Ntt Docomo, Inc. | Method for supporting scalable and reliable multicast in TDMA/TDD systems using feedback suppression techniques |
KR100996080B1 (en) * | 2003-11-19 | 2010-11-22 | 삼성전자주식회사 | Apparatus and method for controlling adaptive modulation and coding in a communication system using orthogonal frequency division multiplexing scheme |
KR100612654B1 (en) * | 2003-12-22 | 2006-08-16 | 한국전자통신연구원 | Apparatus and method for generating frame for automatic repeat request |
US20050163194A1 (en) * | 2004-01-28 | 2005-07-28 | Qualcomm Incorporated | Interference estimation in a wireless communication system |
KR100589858B1 (en) | 2004-02-10 | 2006-06-15 | 주식회사 에이로직스 | Single-carrier system and signal processing method of the system |
FI20040389A0 (en) * | 2004-03-11 | 2004-03-11 | Nokia Corp | Method and apparatus for controlling transmission of data volumes |
US20050237932A1 (en) * | 2004-04-23 | 2005-10-27 | Jung-Tao Liu | Method and system for rate-controlled mode wireless communications |
JP4421935B2 (en) * | 2004-04-30 | 2010-02-24 | 株式会社エヌ・ティ・ティ・ドコモ | Radio base station apparatus and radio communication control method |
US8259752B2 (en) | 2004-05-07 | 2012-09-04 | Interdigital Technology Corporation | Medium access control layer architecture for supporting enhanced uplink |
WO2005109729A1 (en) * | 2004-05-10 | 2005-11-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for providing autonomous retransmissions in a wireless communication system |
US7697469B2 (en) * | 2004-05-12 | 2010-04-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus to improve communication performance in ARQ networks |
US8085831B2 (en) * | 2004-05-17 | 2011-12-27 | Qualcomm Incorporated | Interference control via selective blanking/attenuation of interfering transmissions |
KR20060013466A (en) * | 2004-08-07 | 2006-02-10 | 삼성전자주식회사 | Method for signaling of mobile status information in soft handoff area for uplink packet transmission |
CN100358253C (en) * | 2004-08-23 | 2007-12-26 | 华为技术有限公司 | Method for regulating emission power of automatic retransmitting request system |
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CN101048960B (en) | 2004-10-29 | 2013-01-09 | 夏普株式会社 | Communication method and radio transmitter |
US7749471B2 (en) * | 2004-11-30 | 2010-07-06 | Chevron U.S.A. Inc. | Reduction of oxides of nitrogen in a gas stream using boron-containing molecular sieve CHA |
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EP1699158A1 (en) * | 2005-03-02 | 2006-09-06 | Evolium S.A.S. | A method for selection of the appropriate HARQ retransmission scheme for data transmission, a base station and a program therefor |
JP4596958B2 (en) * | 2005-04-01 | 2010-12-15 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication apparatus and wireless communication method |
US7715460B2 (en) | 2005-04-22 | 2010-05-11 | Interdigital Technology Corporation | Hybrid orthogonal frequency division multiple access system and method |
EP1909408A4 (en) * | 2005-07-28 | 2012-08-08 | Fujitsu Ltd | Radio transmitting apparatus and method for controlling downstream transmission in the same |
US7457588B2 (en) * | 2005-08-01 | 2008-11-25 | Motorola, Inc. | Channel quality indicator for time, frequency and spatial channel in terrestrial radio access network |
CN100423483C (en) * | 2005-08-15 | 2008-10-01 | 大唐移动通信设备有限公司 | Mixing automatic retransmission method in accessing down going packet in high speed and multiple carriers, and application |
CN1917411B (en) * | 2005-08-16 | 2012-03-07 | 中兴通讯股份有限公司 | System and method for realization of accessing high speed down going packets in multiple carriers |
CN100352243C (en) * | 2005-08-19 | 2007-11-28 | 中兴通讯股份有限公司 | TD-SCDMA system multi-carrier high-speed downstream packet access realization method |
CN100438397C (en) * | 2005-08-29 | 2008-11-26 | 华为技术有限公司 | Dow data repeating method in radio communication system |
CN101258701B (en) * | 2005-09-07 | 2011-08-17 | 日本电气株式会社 | Adaptive radio/modulation apparatus, receiver apparatus, wireless communication system and wireless communication method |
KR100668673B1 (en) | 2005-11-24 | 2007-01-12 | 한국전자통신연구원 | Method for recovering arq data of wireless portable internet system |
KR100684325B1 (en) * | 2005-12-10 | 2007-02-16 | 한국전자통신연구원 | Apparatus and method for testing ap/at modem of high-speed portable internet system |
US7895494B2 (en) | 2005-12-29 | 2011-02-22 | Interdigital Technology Corporation | Method and system for implementing H-ARQ-assisted ARQ operation |
US7827459B1 (en) * | 2006-01-10 | 2010-11-02 | University Of Maryland, College Park | Communications protocol |
US7706763B2 (en) * | 2006-02-21 | 2010-04-27 | Motorola, Inc. | System and method for switching operating modes of a mobile station |
US7694204B2 (en) * | 2006-03-09 | 2010-04-06 | Silicon Image, Inc. | Error detection in physical interfaces for point-to-point communications between integrated circuits |
JP4887358B2 (en) * | 2006-03-20 | 2012-02-29 | パナソニック株式会社 | Wireless communication system, wireless transmission device, and resource allocation method |
US8774107B2 (en) * | 2006-03-20 | 2014-07-08 | Panasonic Corporation | Radio communication system, radio transmission apparatus, and retransmission method |
KR100750740B1 (en) | 2006-08-17 | 2007-08-22 | 삼성전자주식회사 | Apparatus for receiving multi-carrier having improved receiving performance and a signal processing method thereof |
JP4964540B2 (en) * | 2006-09-08 | 2012-07-04 | 京セラ株式会社 | Base station apparatus and wireless communication method |
ES2574565T3 (en) | 2006-10-02 | 2016-06-20 | Lg Electronics, Inc. | Method to transmit a control signal on the downlink |
EP2080302A4 (en) | 2006-10-02 | 2014-04-02 | Lg Electronics Inc | Method for transmitting control signal using efficient multiplexing |
CN101584130B (en) * | 2006-10-03 | 2013-06-12 | 维尔塞特公司 | Downstream waveform sub-channelization for satellite communications |
US8892979B2 (en) | 2006-10-26 | 2014-11-18 | Qualcomm Incorporated | Coding schemes for wireless communication transmissions |
TWI351821B (en) * | 2006-10-26 | 2011-11-01 | Qualcomm Inc | Coding schemes for wireless communication transmis |
KR100811892B1 (en) * | 2006-11-17 | 2008-03-10 | 한국전자통신연구원 | Channel equalization and carrier recovery method and receiver in high-speed wireless communication system |
KR20090099553A (en) | 2006-12-14 | 2009-09-22 | 톰슨 라이센싱 | Rateless encoding in communication systems |
JP5286278B2 (en) * | 2006-12-14 | 2013-09-11 | トムソン ライセンシング | Rate-free code decoding method for communication systems |
JP5153784B2 (en) * | 2006-12-14 | 2013-02-27 | トムソン ライセンシング | Concatenated encoding / decoding in communication systems |
KR101355355B1 (en) * | 2006-12-14 | 2014-01-23 | 톰슨 라이센싱 | Modulation indication method for communication systems |
KR101367072B1 (en) * | 2006-12-14 | 2014-02-24 | 톰슨 라이센싱 | Arq with adaptive modulation for communication systems |
US8566676B2 (en) | 2007-01-05 | 2013-10-22 | Qualcomm Incorporated | FEC code and code rate selection based on packet size |
US8144608B2 (en) * | 2007-01-22 | 2012-03-27 | Broadcom Corporation | Method and system for medium access control (MAC) rate selection |
US8213402B2 (en) * | 2007-02-20 | 2012-07-03 | Harris Corporation | Automatic repeat request (ARQ) communication system using physical layer monitoring |
BRPI0809222B1 (en) | 2007-03-19 | 2020-09-15 | Lg Electronics, Inc | METHOD FOR RECEIVING DATA ON USER EQUIPMENT IN A MOBILE COMMUNICATION SYSTEM AND METHOD FOR TRANSMITING DATA BY A BASE STATION IN A MOBILE COMMUNICATION SYSTEM |
KR101049138B1 (en) * | 2007-03-19 | 2011-07-15 | 엘지전자 주식회사 | In a mobile communication system, an acknowledgment signal receiving method |
KR100928391B1 (en) * | 2007-04-06 | 2009-11-23 | 인하대학교 산학협력단 | Method and apparatus for data retransmission based on antenna scheduling in multi-antenna system |
US20080270866A1 (en) * | 2007-04-26 | 2008-10-30 | Infineon Technologies Ag | Transmission with automatic repeat request process |
US20080267168A1 (en) * | 2007-04-27 | 2008-10-30 | Zhijun Cai | Slow Adaptation of Modulation and Coding for Packet Transmission |
KR100913090B1 (en) * | 2007-06-13 | 2009-08-21 | 엘지전자 주식회사 | A method for transmitting spread-signal in a communication system |
KR100908063B1 (en) | 2007-06-13 | 2009-07-15 | 엘지전자 주식회사 | Method of transmitting a spread signal in a mobile communication system |
WO2008151411A1 (en) * | 2007-06-15 | 2008-12-18 | Research In Motion Limited | System and method for large packet delivery during semi persistently allocated session |
CN101682886B (en) * | 2007-06-15 | 2013-01-02 | 捷讯研究有限公司 | System and method for semi-persistent and dynamic scheduling and discontinuous reception control |
CN101682857B (en) * | 2007-06-15 | 2013-10-30 | 捷讯研究有限公司 | System and method for link adaptation overhead reduction |
KR100900289B1 (en) | 2007-06-21 | 2009-05-29 | 엘지전자 주식회사 | A method for transmitting and receiving a control channel in the Orthogonal Frequency Division Multiplexing system |
US7957757B2 (en) | 2007-07-05 | 2011-06-07 | Qualcomm Incorporated | Open loop power offset update |
WO2009021314A1 (en) * | 2007-08-14 | 2009-02-19 | Research In Motion Limited | System and method for handling of large ip packets during voip session |
CN101796879B (en) * | 2007-08-24 | 2012-07-11 | 上海贝尔股份有限公司 | Method for scheduling resource, network element and user equipment |
ES2404684T3 (en) | 2007-09-14 | 2013-05-28 | Research In Motion Limited | System and method for the start time of discontinuous reception control |
KR101448634B1 (en) * | 2007-11-07 | 2014-10-08 | 엘지전자 주식회사 | Method for retransmitting packets according to decoding failures or reliability |
KR100937040B1 (en) | 2007-12-03 | 2010-01-15 | 한국전자통신연구원 | Apparatus and method for processing automatic repeat request in multiple input multiple output system |
US8054819B2 (en) | 2007-12-06 | 2011-11-08 | Harris Corporation | System and method for setting a data rate in TDMA communications |
US8132069B2 (en) * | 2007-12-13 | 2012-03-06 | Qualcomm Incorporated | Selective HARQ combining scheme for OFDM/OFDMA systems |
US8161342B2 (en) * | 2007-12-13 | 2012-04-17 | Qualcomm Incorporated | Forward and reverse shifting selective HARQ combining scheme for OFDMA systems |
KR100906941B1 (en) * | 2007-12-18 | 2009-07-10 | 한국전자통신연구원 | Method and apparatus for reconstruction of docsis mac frame in cable modem of plular receiving channel |
WO2009084927A1 (en) * | 2008-01-03 | 2009-07-09 | Lg Electronics Inc. | Method for packet retransmission employing feedback information |
JP5088957B2 (en) * | 2008-02-18 | 2012-12-05 | パナソニック株式会社 | Power line communication apparatus, power line communication system, and registration processing method |
US8379083B1 (en) * | 2008-07-17 | 2013-02-19 | Sprint Communications Company L.P. | Simultaneous viewing and reliable recording of multimedia content over a network |
US8411798B2 (en) * | 2008-11-05 | 2013-04-02 | Viasat, Inc. | Reducing receiver power dissipation |
US8948069B2 (en) * | 2009-01-09 | 2015-02-03 | Qualcomm Incorporated | Methods and systems for improving response message transmission reliability |
EP2414952B1 (en) * | 2009-04-01 | 2016-09-28 | Qualcomm Incorporated | Managing transmissions among nodes communicating over a shared communication medium |
CN101902315B (en) * | 2009-06-01 | 2013-04-17 | 华为技术有限公司 | Retransmission method, device and communication system based on forward error correction |
US8964115B2 (en) * | 2009-06-30 | 2015-02-24 | Nokia Corporation | Transmission capacity probing using adaptive redundancy adjustment |
US8204507B2 (en) * | 2010-03-12 | 2012-06-19 | Research In Motion Limited | Supplemental node transmission assistance in a wireless communications network |
US8645785B2 (en) * | 2011-03-14 | 2014-02-04 | Freescale Semiconductor, Inc. | Method of re-ordering received data blocks in hybrid automatic repeat request telecommunication system |
CN102790654A (en) * | 2011-05-16 | 2012-11-21 | 普天信息技术研究院有限公司 | Method for determining downlink transmission MCS (Modulating and Coding Scheme) |
EP2541825B1 (en) | 2011-06-30 | 2018-10-03 | Lantiq Beteiligungs-GmbH & Co.KG | Impulse noise diagnosis during retransmission |
US20130039266A1 (en) | 2011-08-08 | 2013-02-14 | Research In Motion Limited | System and method to increase link adaptation performance with multi-level feedback |
CN102437906B (en) * | 2012-01-20 | 2013-12-04 | 中国科学院上海微系统与信息技术研究所 | Design method of HARQ (Hybrid Automatic Repeat-request) communication way applied to SC-FDE (Signal Carrier Frequency-Domain Equalization) baseband system |
US9066249B2 (en) | 2012-03-07 | 2015-06-23 | Apple Inc. | Methods and apparatus for interference coordinated transmission and reception in wireless networks |
US8848568B2 (en) * | 2012-03-20 | 2014-09-30 | Apple Inc. | Adaptive partial packet decoding |
US9225412B2 (en) * | 2012-05-02 | 2015-12-29 | Samsung Electronics Co., Ltd. | Communication system with feedback mechanism and method of operation thereof |
CN107659530B (en) * | 2012-06-14 | 2020-09-18 | 华为技术有限公司 | Data transmitting method and device |
CN102752087A (en) * | 2012-07-09 | 2012-10-24 | 华中科技大学 | Link adapting method based on AMC-ARQ (Adaptive Modulation and Coding-Automatic Repeat-re Quest) striding layer |
CN102957510B (en) * | 2012-09-14 | 2015-04-22 | 哈尔滨工业大学 | AMC (Adaptive Modulation and Coding) method based on SC-FDE (Single Carrier-Frequency Domain Equalization) system |
CN103856293B (en) * | 2012-12-07 | 2017-06-06 | 普天信息技术研究院有限公司 | A kind of system of selection of modulation coding mode and device |
US8842552B2 (en) * | 2012-12-17 | 2014-09-23 | Litepoint Corporation | Method of facilitating testing of multiple time-division-duplex (TDD) data packet signal transceivers |
US9246514B2 (en) * | 2013-03-06 | 2016-01-26 | Huawei Technologies Co., Ltd. | Forward error correction (FEC) to support successive interference cancellation (SIC) |
CN103326974B (en) * | 2013-06-04 | 2016-05-11 | 长安大学 | A kind of Adaptive Transmission model selection system and method thereof of vehicle communication Access Network |
KR102025757B1 (en) * | 2013-07-10 | 2019-09-27 | 삼성전자주식회사 | method and apparatus for transmitting and receiving data and medium thereof |
US9209947B1 (en) * | 2014-01-21 | 2015-12-08 | Saratoga Data Systems, Inc. | Fault-tolerant data transmission system for networks subject to jamming conditions |
CN108141313B (en) * | 2015-09-30 | 2020-12-18 | 日本电气株式会社 | Communication apparatus, communication system, and control method |
US10532419B2 (en) * | 2015-10-29 | 2020-01-14 | Lincoln Global, Inc. | System and method of communicating in a welding system over welding power cables |
CN107040434A (en) * | 2017-05-31 | 2017-08-11 | 广西电网有限责任公司桂林供电局 | Terminal computer actual bandwidth remote centralized acquisition system and method |
TWI736146B (en) * | 2020-02-25 | 2021-08-11 | 瑞昱半導體股份有限公司 | Receiver device, receiver system, and operation method |
US11889311B2 (en) * | 2020-12-18 | 2024-01-30 | Raytheon Bbn Technologies Corp. | RF repeater and method for semantic-less retransmissions |
CN113497773B (en) * | 2021-06-18 | 2022-11-29 | 西安电子科技大学 | Equalization method and system of scattering communication system, computer equipment and processing terminal |
Citations (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912705A (en) * | 1985-03-20 | 1990-03-27 | International Mobile Machines Corporation | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
US5101406A (en) * | 1989-08-24 | 1992-03-31 | Telesystems Slw Inc. | Wireless communications system |
US5280498A (en) * | 1989-06-29 | 1994-01-18 | Symbol Technologies, Inc. | Packet data communication system |
US5345439A (en) * | 1992-04-25 | 1994-09-06 | British Aerospace Space Systems Limited | Multi purpose digital signal regenerative processing apparatus |
US5345600A (en) * | 1993-08-31 | 1994-09-06 | Motorola, Inc. | Method and apparatus for selectively-enabled diversity signaling in a radio communications system |
US5351016A (en) * | 1993-05-28 | 1994-09-27 | Ericsson Ge Mobile Communications Inc. | Adaptively self-correcting modulation system and method |
US5544196A (en) * | 1992-03-05 | 1996-08-06 | Qualcomm Incorporated | Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system |
US5570369A (en) * | 1994-03-15 | 1996-10-29 | Nokia Mobile Phones Limited | Reduction of power consumption in a mobile station |
US5648969A (en) * | 1995-02-13 | 1997-07-15 | Netro Corporation | Reliable ATM microwave link and network |
US5657325A (en) * | 1995-03-31 | 1997-08-12 | Lucent Technologies Inc. | Transmitter and method for transmitting information packets with incremental redundancy |
US5729557A (en) * | 1995-10-12 | 1998-03-17 | Pacific Communication Systems, Inc. | Cellular communication system with multiple code rates |
US5828677A (en) * | 1996-03-20 | 1998-10-27 | Lucent Technologies Inc. | Adaptive hybrid ARQ coding schemes for slow fading channels in mobile radio systems |
US5838267A (en) * | 1996-10-09 | 1998-11-17 | Ericsson, Inc. | Method and apparatus for encoding and decoding digital information |
US5946320A (en) * | 1995-10-23 | 1999-08-31 | Nokia Mobile Phones Limited | Method for transmitting packet data with hybrid FEC/ARG type II |
US5956624A (en) * | 1994-07-12 | 1999-09-21 | Usa Digital Radio Partners Lp | Method and system for simultaneously broadcasting and receiving digital and analog signals |
US5983383A (en) * | 1997-01-17 | 1999-11-09 | Qualcom Incorporated | Method and apparatus for transmitting and receiving concatenated code data |
US5983384A (en) * | 1997-04-21 | 1999-11-09 | General Electric Company | Turbo-coding with staged data transmission and processing |
US5983382A (en) * | 1996-12-31 | 1999-11-09 | Lucent Technologies, Inc. | Automatic retransmission query (ARQ) with inner code for generating multiple provisional decodings of a data packet |
US5982760A (en) * | 1997-06-20 | 1999-11-09 | Qualcomm Inc. | Method and apparatus for power adaptation control in closed-loop communications |
US6021124A (en) * | 1997-08-19 | 2000-02-01 | Telefonaktiebolaget Lm Ericsson | Multi-channel automatic retransmission query (ARQ) method |
US6049549A (en) * | 1997-08-14 | 2000-04-11 | University Of Massachusetts | Adaptive media control |
US6064692A (en) * | 1997-06-20 | 2000-05-16 | Amati Communications Corporation | Protocol for transceiver initialization |
US6128276A (en) * | 1997-02-24 | 2000-10-03 | Radix Wireless, Inc. | Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays |
US6130918A (en) * | 1997-12-01 | 2000-10-10 | Nortel Networks Limited | Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system |
US6134694A (en) * | 1996-02-29 | 2000-10-17 | Ntt Mobile Communications Network, Inc. | Error control method and error control device for digital communication |
US6138260A (en) * | 1997-09-04 | 2000-10-24 | Conexant Systems, Inc. | Retransmission packet capture system within a wireless multiservice communications environment with turbo decoding |
US6145108A (en) * | 1997-09-04 | 2000-11-07 | Conexant Systems, Inc. | Retransmission packet capture system within a wireless multiservice communications environment |
US6154489A (en) * | 1998-03-30 | 2000-11-28 | Motorola, Inc. | Adaptive-rate coded digital image transmission |
US6189123B1 (en) * | 1997-03-26 | 2001-02-13 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for communicating a block of digital information between a sending and a receiving station |
US6208663B1 (en) * | 1997-08-29 | 2001-03-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for block ARQ with reselection of FEC coding and/or modulation |
US6212240B1 (en) * | 1998-06-24 | 2001-04-03 | Motorola, Inc. | Method and apparatus for conveying data between communication devices |
US6212659B1 (en) * | 1997-05-30 | 2001-04-03 | Qualcomm Inc. | Method and apparatus for providing error protection for over the air file transfer |
US6233711B1 (en) * | 1997-09-02 | 2001-05-15 | Sony Corporation | Turbo coding, decoding devices and turbo coding, decoding methods |
US6272183B1 (en) * | 1997-08-22 | 2001-08-07 | Siemens Aktiengesellschaft | Method for data transmission on transmission channels in a digital transmission system |
US6275488B1 (en) * | 1999-11-17 | 2001-08-14 | Motorola, Inc. | Variable rate spread spectrum communication method and apparatus |
US6289003B1 (en) * | 1997-04-28 | 2001-09-11 | Espoomoblie Phones, Limited | Method for transmitting packet switched data in a mobile communications system |
US6308294B1 (en) * | 1999-11-17 | 2001-10-23 | Motorola, Inc. | Adaptive hybrid ARQ using turbo code structure |
US6317418B1 (en) * | 1997-04-28 | 2001-11-13 | Nokia Mobile Phones Limited | Method for transmitting packet switched data in a mobile communications system |
US6359877B1 (en) * | 1998-07-21 | 2002-03-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for minimizing overhead in a communication system |
US20020037058A1 (en) * | 2000-07-07 | 2002-03-28 | Koninklijke Philips Electronics N.V. | Frequency-domain equalizer for terrestrial digital TV reception |
US6366601B1 (en) * | 1999-11-17 | 2002-04-02 | Motorola, Inc. | Variable rate spread spectrum communication method and apparatus |
US6370669B1 (en) * | 1998-01-23 | 2002-04-09 | Hughes Electronics Corporation | Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizes |
US20020064167A1 (en) * | 2000-11-29 | 2002-05-30 | Khan Farooq Ullah | Hybrid ARQ with parallel packet transmission |
US6449246B1 (en) * | 1999-09-15 | 2002-09-10 | Telcordia Technologies, Inc. | Multicarrier personal access communication system |
US6522650B1 (en) * | 2000-08-04 | 2003-02-18 | Intellon Corporation | Multicast and broadcast transmission with partial ARQ |
US6529561B2 (en) * | 1999-09-10 | 2003-03-04 | Nokia Networks Oy | Data transmission in radio system |
US6647076B1 (en) * | 1998-11-24 | 2003-11-11 | Infineon Technologies Ag | Method of compensating for interference in a signal generated by discrete multitone modulation, and circuit configuration for carrying out the method. |
US6735180B1 (en) * | 2000-06-30 | 2004-05-11 | Nokia Mobile Phones, Ltd. | Method of sending feedback information in a fast automatic repeat request forming part of an overall wireless communication system |
US6760860B1 (en) * | 2000-04-17 | 2004-07-06 | Nortel Networks Limited | Automatic retransmission request layer interaction in a wireless network |
Family Cites Families (135)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US191544A (en) * | 1877-06-05 | Improvement in tobacco-pipes | ||
US101733A (en) * | 1870-04-12 | Improvement in heating-stoves | ||
US4618A (en) * | 1846-07-07 | Band-pulley | ||
US26714A (en) * | 1860-01-03 | Vegetable-cutter | ||
US39226A (en) * | 1863-07-14 | Molding-machine feed | ||
US37058A (en) * | 1862-12-02 | Improvement in putting up cranberries for preservation | ||
US64167A (en) * | 1867-04-23 | tomlin | ||
US1275279A (en) * | 1915-01-25 | 1918-08-13 | American Circular Loom Co | Conduit or conductor. |
US1277766A (en) * | 1917-10-29 | 1918-09-03 | Joseph G Stadelman | Roof-truss construction. |
US2221339A (en) * | 1936-08-18 | 1940-11-12 | Oakite Prod Inc | Utilization of metallo-organic compounds for treatment of circulating waters and surfaces coming into contact with water |
US2221338A (en) * | 1936-10-21 | 1940-11-12 | Research Corp | Deposition of material |
US2179370A (en) * | 1937-04-29 | 1939-11-07 | Falk Corp | Marine propulsion system |
US2195089A (en) * | 1937-09-27 | 1940-03-26 | Gen Aniline & Film Corp | Polyazo dyestuffs |
GB504728A (en) * | 1937-10-28 | 1939-04-28 | Entwisle & Kenyon Ltd | Improvements in or relating to carpet sweepers |
US2210864A (en) * | 1938-01-13 | 1940-08-06 | Horace E Farmer | Pretzel making apparatus |
US2195768A (en) * | 1938-05-31 | 1940-04-02 | Crandall Max | Air conditioning apparatus |
JPH0671246B2 (en) | 1987-11-28 | 1994-09-07 | キヤノン株式会社 | Fax machine |
US4882579A (en) * | 1988-01-07 | 1989-11-21 | Motorola, Inc. | Code division multiplexed acknowledge back paging system |
JPH022726A (en) * | 1988-06-17 | 1990-01-08 | Fujitsu Ltd | Multi-address type satellite communication system |
US4866395A (en) * | 1988-11-14 | 1989-09-12 | Gte Government Systems Corporation | Universal carrier recovery and data detection for digital communication systems |
US5115812A (en) * | 1988-11-30 | 1992-05-26 | Hitachi, Ltd. | Magnetic resonance imaging method for moving object |
GB2231227B (en) * | 1989-04-27 | 1993-09-29 | Sony Corp | Motion dependent video signal processing |
US5093847A (en) * | 1990-12-21 | 1992-03-03 | Silicon Systems, Inc. | Adaptive phase lock loop |
FR2680619B1 (en) * | 1991-08-21 | 1993-12-24 | Sgs Thomson Microelectronics Sa | IMAGE PREDICTOR. |
US5253056A (en) * | 1992-07-02 | 1993-10-12 | At&T Bell Laboratories | Spatial/frequency hybrid video coding facilitating the derivatives of variable-resolution images |
US5614952A (en) * | 1994-10-11 | 1997-03-25 | Hitachi America, Ltd. | Digital video decoder for decoding digital high definition and/or digital standard definition television signals |
JP3486427B2 (en) * | 1993-01-18 | 2004-01-13 | キヤノン株式会社 | Control device and control method |
EP0651574B1 (en) * | 1993-03-24 | 2001-08-22 | Sony Corporation | Method and apparatus for coding/decoding motion vector, and method and apparatus for coding/decoding image signal |
US5732391A (en) * | 1994-03-09 | 1998-03-24 | Motorola, Inc. | Method and apparatus of reducing processing steps in an audio compression system using psychoacoustic parameters |
US5940130A (en) * | 1994-04-21 | 1999-08-17 | British Telecommunications Public Limited Company | Video transcoder with by-pass transfer of extracted motion compensation data |
DE4416967A1 (en) * | 1994-05-13 | 1995-11-16 | Thomson Brandt Gmbh | Method and device for transcoding bit streams with video data |
JPH07336331A (en) | 1994-06-09 | 1995-12-22 | Canon Inc | Digital radio communication system |
KR0126785B1 (en) * | 1994-06-30 | 1998-04-01 | 김광호 | A frequency domain equalizer of multi-carrier receivers |
US5602589A (en) * | 1994-08-19 | 1997-02-11 | Xerox Corporation | Video image compression using weighted wavelet hierarchical vector quantization |
US5644361A (en) * | 1994-11-30 | 1997-07-01 | National Semiconductor Corporation | Subsampled frame storage technique for reduced memory size |
JP3386910B2 (en) | 1994-12-14 | 2003-03-17 | 株式会社サクラクレパス | Pigment dispersion composition for colored electrodeposition coating |
DE19501236C2 (en) * | 1995-01-17 | 1996-11-14 | Ldt Gmbh & Co | amplifier |
US5652749A (en) * | 1995-02-03 | 1997-07-29 | International Business Machines Corporation | Apparatus and method for segmentation and time synchronization of the transmission of a multiple program multimedia data stream |
JPH08275160A (en) * | 1995-03-27 | 1996-10-18 | Internatl Business Mach Corp <Ibm> | Discrete cosine conversion method |
US5559889A (en) * | 1995-03-31 | 1996-09-24 | International Business Machines Corporation | System and methods for data encryption using public key cryptography |
SE504049C2 (en) | 1995-03-31 | 1996-10-28 | Ericsson Telefon Ab L M | Access request in an instant overloaded mobile radio system |
JPH08288965A (en) * | 1995-04-18 | 1996-11-01 | Hitachi Ltd | Switching system |
US5782760A (en) * | 1995-05-23 | 1998-07-21 | Cardima, Inc. | Over-the-wire EP catheter |
US5715260A (en) * | 1995-06-12 | 1998-02-03 | Telco Systems, Inc. | Method and apparatus for providing a variable reset interval in a transmission system for encoded data |
CA2223781C (en) | 1995-06-14 | 2002-05-21 | International Business Machines Corporation | Packet data transmission in code-division multiple access communication systems |
US5726978A (en) * | 1995-06-22 | 1998-03-10 | Telefonaktiebolaget L M Ericsson Publ. | Adaptive channel allocation in a frequency division multiplexed system |
US6470391B2 (en) | 1995-09-08 | 2002-10-22 | Hitachi, Ltd. | Method for transmitting data via a network in a form of divided sub-packets |
JPH09116597A (en) | 1995-10-16 | 1997-05-02 | Fujitsu Ltd | Digital mobile communication terminal equipment |
JP3609174B2 (en) * | 1995-10-31 | 2005-01-12 | 株式会社日立メディアエレクトロニクス | Flyback transformer |
JP3274337B2 (en) * | 1995-12-27 | 2002-04-15 | 株式会社東芝 | CDMA cellular radio system |
JPH09247209A (en) | 1996-03-12 | 1997-09-19 | Chokosoku Network Computer Gijutsu Kenkyusho:Kk | Flow control system of transport layer protocol for resource reservation channel |
US5968197A (en) | 1996-04-01 | 1999-10-19 | Ericsson Inc. | Method and apparatus for data recovery |
JPH09298575A (en) | 1996-04-30 | 1997-11-18 | Nippon Telegr & Teleph Corp <Ntt> | Data transmission control system and data transmission control method |
US6222886B1 (en) * | 1996-06-24 | 2001-04-24 | Kabushiki Kaisha Toshiba | Compression based reduced memory video decoder |
US6215821B1 (en) * | 1996-08-07 | 2001-04-10 | Lucent Technologies, Inc. | Communication system using an intersource coding technique |
US6201974B1 (en) * | 1996-09-06 | 2001-03-13 | Nokia Mobile Phones Limited | Mobile station and network having hierarchical index for cell broadcast service |
US5745502A (en) | 1996-09-27 | 1998-04-28 | Ericsson, Inc. | Error detection scheme for ARQ systems |
US5943606A (en) | 1996-09-30 | 1999-08-24 | Qualcomm Incorporated | Determination of frequency offsets in communication systems |
US6366614B1 (en) * | 1996-10-11 | 2002-04-02 | Qualcomm Inc. | Adaptive rate control for digital video compression |
SE515535C2 (en) * | 1996-10-25 | 2001-08-27 | Ericsson Telefon Ab L M | A transcoder |
KR20000053019A (en) | 1996-11-04 | 2000-08-25 | 네바드 에드워드 죤 | Rigid polyurethane foams |
DE19651593B4 (en) * | 1996-12-11 | 2008-11-20 | Rohde & Schwarz Gmbh & Co. Kg | Arrangement for optimizing the data transmission via a bidirectional radio channel |
JP3396141B2 (en) * | 1996-12-16 | 2003-04-14 | 株式会社リコー | Image forming device |
US5991287A (en) * | 1996-12-30 | 1999-11-23 | Lucent Technologies, Inc. | System and method for providing seamless handover in a wireless computer network |
US5954839A (en) | 1997-01-14 | 1999-09-21 | Samsung Electronics Co., Ltd. | Error protection method for multimedia data |
FI102340B (en) | 1997-01-16 | 1998-11-13 | Nokia Telecommunications Oy | Procedure for data communication and radio systems |
JPH10275080A (en) * | 1997-01-24 | 1998-10-13 | Texas Instr Inc <Ti> | Microprocessor |
US5933421A (en) | 1997-02-06 | 1999-08-03 | At&T Wireless Services Inc. | Method for frequency division duplex communications |
JP3242856B2 (en) | 1997-02-17 | 2001-12-25 | シャープ株式会社 | Direct spread spectrum communication system |
KR19980068872A (en) * | 1997-02-25 | 1998-10-26 | 김광호 | Call setup method in wireless communication system |
US6014694A (en) * | 1997-06-26 | 2000-01-11 | Citrix Systems, Inc. | System for adaptive video/audio transport over a network |
JPH1146217A (en) | 1997-07-28 | 1999-02-16 | Nippon Telegr & Teleph Corp <Ntt> | Radio packet re-transmission method |
US6215827B1 (en) | 1997-08-25 | 2001-04-10 | Lucent Technologies, Inc. | System and method for measuring channel quality information in a communication system |
US6167031A (en) | 1997-08-29 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for selecting a combination of modulation and channel coding schemes in a digital communication system |
US6336192B1 (en) * | 1998-02-16 | 2002-01-01 | Nippon Telegraph And Telephone Corporation | Parallel redundancy encoding apparatus |
US6292519B1 (en) | 1998-03-11 | 2001-09-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Correction of signal-to-interference ratio measurements |
CA2324450C (en) | 1998-03-23 | 2006-01-03 | Samsung Electronics Co., Ltd. | Power control device and method for controlling a reverse link common channel in a cdma communication system |
DE69930239D1 (en) | 1998-03-26 | 2006-05-04 | Samsung Electronics Co Ltd | Device and method for controlling the performance of orthogonal channels and quasi-orthogonal channels in a CDMA communication system |
KR100293934B1 (en) * | 1998-04-13 | 2001-07-12 | 윤종용 | Apparatus and method for transmitting message using common channel in cdma system |
US6385248B1 (en) * | 1998-05-12 | 2002-05-07 | Hitachi America Ltd. | Methods and apparatus for processing luminance and chrominance image data |
CN1214689C (en) | 1998-06-19 | 2005-08-10 | 杜松网络公司 | Device for performing IP forwarding and ATM switching |
US6584509B2 (en) * | 1998-06-23 | 2003-06-24 | Intel Corporation | Recognizing audio and video streams over PPP links in the absence of an announcement protocol |
WO2000010298A1 (en) | 1998-08-17 | 2000-02-24 | Nortel Networks Limited | A flexible frame structure for a cdma wireless network |
US6219358B1 (en) * | 1998-09-11 | 2001-04-17 | Scientific-Atlanta, Inc. | Adaptive rate control for insertion of data into arbitrary bit rate data streams |
US20010056560A1 (en) | 1998-10-08 | 2001-12-27 | Farooq Khan | Method and system for measurement based automatic retransmission request in a radiocommunication system |
EP0996248A1 (en) * | 1998-10-21 | 2000-04-26 | Telefonaktiebolaget L M Ericsson (Publ) | ARQ protocol with packet-based reliability level setting |
US6473399B1 (en) | 1998-11-30 | 2002-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for determining an optimum timeout under varying data rates in an RLC wireless system which uses a PDU counter |
US6587985B1 (en) * | 1998-11-30 | 2003-07-01 | Matsushita Electric Industrial Co., Ltd. | Data transmission method, data transmission apparatus, data receiving apparatus, and packet data structure |
JP3450729B2 (en) | 1998-12-21 | 2003-09-29 | 日本電信電話株式会社 | Packet communication device |
US6259741B1 (en) * | 1999-02-18 | 2001-07-10 | General Instrument Corporation | Method of architecture for converting MPEG-2 4:2:2-profile bitstreams into main-profile bitstreams |
FI106760B (en) * | 1999-03-03 | 2001-03-30 | Nokia Oyj | Method and device for retransmitting data packets |
JP2000324321A (en) | 1999-05-13 | 2000-11-24 | Matsushita Electric Ind Co Ltd | Communication control method for portable telephone facsimile |
US6335933B1 (en) * | 1999-05-21 | 2002-01-01 | Broadcom Homenetworking, Inc. | Limited automatic repeat request protocol for frame-based communication channels |
US6421803B1 (en) | 1999-06-25 | 2002-07-16 | Telefonaktiebolaget L M Ericsson (Publ) | System and method for implementing hybrid automatic repeat request using parity check combining |
KR100539879B1 (en) | 1999-06-29 | 2005-12-28 | 삼성전자주식회사 | Data transmissiion and reception device and method in accordance with radio link protocol in a mobile communication system |
US6263022B1 (en) * | 1999-07-06 | 2001-07-17 | Philips Electronics North America Corp. | System and method for fine granular scalable video with selective quality enhancement |
US6301479B1 (en) * | 1999-07-08 | 2001-10-09 | Telefonaktiebolaget Lm Ericsson | Technique for providing a secure link in a mobile communication system |
KR100424654B1 (en) | 1999-08-02 | 2004-03-24 | 삼성전자주식회사 | Apparatus and method for retransmitting data according to radio link protocol in mobile communication system |
JP3421671B2 (en) | 1999-09-30 | 2003-06-30 | 独立行政法人通信総合研究所 | Communication system, selection device, transmission device, reception device, selection method, transmission method, reception method, and information recording medium |
FR2800222B1 (en) * | 1999-10-26 | 2001-11-23 | Mitsubishi Electric Inf Tech | METHOD FOR COMPLIANCE WITH A TRAFFIC CONTRACT OF A PACKET STREAM OF A PACKET TRANSPORT NETWORK WITH VARIABLE LENGTH |
US6519065B1 (en) * | 1999-11-05 | 2003-02-11 | Jds Fitel Inc. | Chromatic dispersion compensation device |
JP2001148682A (en) | 1999-11-22 | 2001-05-29 | Victor Co Of Japan Ltd | Multi-carrier transmitter and receiver and data transmitting method for the transmitter and receiver |
US6714202B2 (en) * | 1999-12-02 | 2004-03-30 | Canon Kabushiki Kaisha | Method for encoding animation in an image file |
US7065068B2 (en) * | 1999-12-29 | 2006-06-20 | Motorola, Inc. | Multi channel stop and wait ARQ communication method and apparatus |
US7366133B1 (en) * | 1999-12-30 | 2008-04-29 | Aperto Networks, Inc. | Integrated, self-optimizing, multi-parameter/multi-variable point-to-multipoint communication system [II] |
JP4517430B2 (en) | 2000-01-24 | 2010-08-04 | ソニー株式会社 | Wireless transmission method |
US6801512B1 (en) * | 2000-03-23 | 2004-10-05 | Motorola, Inc. | Method and apparatus for providing a distributed architecture digital wireless communication system |
US6876641B2 (en) * | 2000-04-14 | 2005-04-05 | Via Telecom Co., Ltd. | Fast feedback channel with flexible bit reliability for wireless communications |
US6931569B2 (en) * | 2000-04-17 | 2005-08-16 | Nortel Networks Limited | Dual protocol layer automatic retransmission request scheme for wireless air interface |
US6438168B2 (en) * | 2000-06-27 | 2002-08-20 | Bamboo Media Casting, Inc. | Bandwidth scaling of a compressed video stream |
EP1175063A3 (en) | 2000-07-20 | 2003-08-27 | Nortel Networks Limited | Network layer protocol aware link layer |
US6907005B1 (en) * | 2000-07-24 | 2005-06-14 | Telefonaktiebolaget L M Ericsson (Publ) | Flexible ARQ for packet data transmission |
US7352770B1 (en) * | 2000-08-04 | 2008-04-01 | Intellon Corporation | Media access control protocol with priority and contention-free intervals |
US7072315B1 (en) * | 2000-10-10 | 2006-07-04 | Adaptix, Inc. | Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks |
DE10050117A1 (en) | 2000-10-11 | 2002-04-25 | Philips Corp Intellectual Pty | Wireless network has physical layer on transmission side for transmitting stored coded transport blocks and physical layer on receiver side for sending acknowledgements according to correct or faulty reception |
US7672381B1 (en) * | 2000-10-17 | 2010-03-02 | Motorola, Inc. | Method of multiple-carrier communication within a noncontiguous wideband spectrum and apparatus therefor |
US7185257B2 (en) | 2000-10-21 | 2007-02-27 | Samsung Electronics Co., Ltd. | Data transmitting/receiving method in HARQ data communication system |
US6748020B1 (en) * | 2000-10-25 | 2004-06-08 | General Instrument Corporation | Transcoder-multiplexer (transmux) software architecture |
US20020086707A1 (en) * | 2000-11-15 | 2002-07-04 | Struhsaker Paul F. | Wireless communication system using block filtering and fast equalization-demodulation and method of operation |
KR100365183B1 (en) * | 2000-12-07 | 2002-12-16 | 에스케이 텔레콤주식회사 | Method and BTS for transmitting a data using the adaptation coding at physical layer in W-CDMA system |
US7110351B2 (en) * | 2000-12-19 | 2006-09-19 | Nortel Networks Limited | Enhanced ARQ with OFDM modulation symbols |
US6549561B2 (en) * | 2001-02-21 | 2003-04-15 | Magis Networks, Inc. | OFDM pilot tone tracking for wireless LAN |
US7164654B2 (en) * | 2001-03-09 | 2007-01-16 | Denso Corporation | ARQ parameter retransmission control for variable data rate channels |
US7054316B2 (en) * | 2001-04-25 | 2006-05-30 | Nokia Corporation | Method and system for interlayer control between re-sequencing and retransmission entities |
US7310336B2 (en) * | 2001-05-18 | 2007-12-18 | Esa Malkamaki | Hybrid automatic repeat request (HARQ) scheme with in-sequence delivery of packets |
KR20030004618A (en) | 2001-07-05 | 2003-01-15 | 삼성전자 주식회사 | Apparatus and method for retransmitting packet data in high speed downlink packet access system |
US6993647B2 (en) * | 2001-08-10 | 2006-01-31 | Hewlett-Packard Development Company, L.P. | Method and apparatus for booting an electronic device using a plurality of agent records and agent codes |
TWI264229B (en) | 2001-08-24 | 2006-10-11 | Interdigital Tech Corp | Method for physical layer automatic repeat request for a subscriber unit |
US20030039226A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Physical layer automatic repeat request (ARQ) |
KR20070095993A (en) | 2001-08-24 | 2007-10-01 | 인터디지탈 테크날러지 코포레이션 | Base station implementing a physical layer automatic repeat request |
US7403564B2 (en) * | 2001-11-21 | 2008-07-22 | Vixs Systems, Inc. | System and method for multiple channel video transcoding |
AU2003256333A1 (en) * | 2002-06-28 | 2004-01-19 | University Of Rochester | System and method for embedding information in digital signals |
KR100965861B1 (en) | 2002-10-24 | 2010-06-24 | 삼성전자주식회사 | Controlling apparatus of hybrid auto repeat request in mobile communication system |
KR100754658B1 (en) | 2004-03-12 | 2007-09-03 | 삼성전자주식회사 | Method for operation of hybrid automatic repeat request in a broadband wireless communication system |
RU2369019C2 (en) | 2004-12-22 | 2009-09-27 | Квэлкомм Инкорпорейтед | Effective detection of cases of misinterpritation of messages of acceptance (ack) as messages of negative acknowledgement (nack) |
-
2001
- 2001-08-24 US US09/939,410 patent/US20030039226A1/en not_active Abandoned
-
2002
- 2002-02-27 US US10/085,203 patent/US20030039220A1/en not_active Abandoned
- 2002-02-27 US US10/084,043 patent/US7672265B2/en not_active Expired - Fee Related
- 2002-02-27 US US10/084,414 patent/US7149192B2/en not_active Expired - Lifetime
- 2002-02-27 US US10/085,187 patent/US7519018B2/en not_active Expired - Fee Related
- 2002-07-22 TW TW091211155U patent/TW549774U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211159U patent/TW565082U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211157U patent/TW549775U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211156U patent/TW565081U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211160U patent/TW565075U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211161U patent/TW562343U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211154U patent/TW565080U/en not_active IP Right Cessation
- 2002-07-22 TW TW091211158U patent/TW563968U/en not_active IP Right Cessation
- 2002-08-01 CA CA002651271A patent/CA2651271A1/en not_active Abandoned
- 2002-08-01 KR KR1020047002495A patent/KR100654285B1/en not_active IP Right Cessation
- 2002-08-01 GE GE5469A patent/GEP20063881B/en unknown
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- 2002-08-21 DK DK02761439T patent/DK1436915T3/en active
- 2002-08-21 AT AT02796397T patent/ATE503308T1/en not_active IP Right Cessation
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- 2002-08-21 WO PCT/US2002/026533 patent/WO2003019817A1/en active Application Filing
- 2002-08-21 CA CA002457239A patent/CA2457239A1/en not_active Abandoned
- 2002-08-21 KR KR1020087031994A patent/KR20090009993A/en not_active IP Right Cessation
- 2002-08-21 EP EP02761439A patent/EP1436915B1/en not_active Expired - Lifetime
- 2002-08-21 JP JP2003524151A patent/JP4540340B2/en not_active Expired - Fee Related
- 2002-08-21 BR BR0212699-0A patent/BR0212699A/en not_active IP Right Cessation
- 2002-08-21 GE GE5464A patent/GEP20063935B/en unknown
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- 2002-08-21 DE DE60239540T patent/DE60239540D1/en not_active Expired - Lifetime
- 2002-08-21 GE GE5470A patent/GEP20063787B/en unknown
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- 2002-08-21 EP EP08014710A patent/EP2017995B1/en not_active Expired - Lifetime
- 2002-08-21 CN CNB028165640A patent/CN1300950C/en not_active Expired - Fee Related
- 2002-08-21 AT AT02761439T patent/ATE406001T1/en not_active IP Right Cessation
- 2002-08-21 MX MXPA04001737A patent/MXPA04001737A/en active IP Right Grant
- 2002-08-21 ES ES02761439T patent/ES2312613T3/en not_active Expired - Lifetime
- 2002-08-21 DE DE60228467T patent/DE60228467D1/en not_active Expired - Lifetime
- 2002-08-21 CN CNA2007100840729A patent/CN101005337A/en active Pending
- 2002-08-22 CN CNU022474811U patent/CN2686247Y/en not_active Expired - Lifetime
- 2002-08-22 CN CNU022474749U patent/CN2662571Y/en not_active Expired - Lifetime
- 2002-08-22 CN CNU022474803U patent/CN2686246Y/en not_active Expired - Lifetime
- 2002-08-22 TW TW096116723A patent/TW200814600A/en unknown
- 2002-08-22 TW TW096146937A patent/TW200843399A/en unknown
- 2002-08-22 TW TW092128225A patent/TWI282693B/en not_active IP Right Cessation
- 2002-08-22 CN CNU022474781U patent/CN2669494Y/en not_active Expired - Lifetime
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- 2002-08-22 CN CNU022474757U patent/CN2662570Y/en not_active Expired - Lifetime
- 2002-08-22 TW TW091119054A patent/TWI261983B/en active
- 2002-08-22 CN CNU022474773U patent/CN2686216Y/en not_active Expired - Lifetime
- 2002-08-22 TW TW092128227A patent/TWI300297B/en not_active IP Right Cessation
- 2002-08-22 TW TW098132003A patent/TW201029378A/en unknown
- 2002-08-22 TW TW095142162A patent/TWI330016B/en not_active IP Right Cessation
- 2002-08-22 CN CNU02247479XU patent/CN2669535Y/en not_active Expired - Lifetime
- 2002-08-22 TW TW094129347A patent/TWI315136B/en not_active IP Right Cessation
- 2002-08-22 CN CNU022474765U patent/CN2699605Y/en not_active Expired - Lifetime
- 2002-08-23 AT AT02753522T patent/ATE557481T1/en active
- 2002-08-23 EP EP10162978.0A patent/EP2214330B1/en not_active Expired - Lifetime
- 2002-08-23 KR KR2020020025155U patent/KR200294366Y1/en not_active IP Right Cessation
- 2002-08-23 KR KR2020020025153U patent/KR200294539Y1/en not_active IP Right Cessation
- 2002-08-23 MY MYPI20023132A patent/MY138627A/en unknown
- 2002-08-23 KR KR2020020025152U patent/KR200294364Y1/en not_active IP Right Cessation
- 2002-08-23 CA CA2690114A patent/CA2690114A1/en not_active Abandoned
- 2002-08-23 KR KR2020020025157U patent/KR200294368Y1/en not_active IP Right Cessation
- 2002-08-23 AT AT02761481T patent/ATE470279T1/en not_active IP Right Cessation
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- 2002-08-23 DE DE60236604T patent/DE60236604D1/en not_active Expired - Lifetime
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- 2002-08-23 AR ARP020103162A patent/AR039061A1/en not_active Application Discontinuation
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- 2002-08-23 EP EP14171291.9A patent/EP2793409A1/en not_active Withdrawn
- 2002-08-23 GE GE5471A patent/GEP20063981B/en unknown
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- 2002-08-23 AR ARP020103164A patent/AR036285A1/en not_active Application Discontinuation
-
2003
- 2003-10-21 KR KR1020030073357A patent/KR100564702B1/en not_active IP Right Cessation
- 2003-10-21 KR KR10-2003-0073349A patent/KR20030089662A/en not_active Application Discontinuation
- 2003-10-21 KR KR1020030073337A patent/KR100564701B1/en not_active IP Right Cessation
- 2003-10-21 KR KR1020030073335A patent/KR100564703B1/en not_active IP Right Cessation
- 2003-10-21 KR KR1020030073356A patent/KR100564705B1/en not_active IP Right Cessation
- 2003-10-21 KR KR1020030073336A patent/KR100564707B1/en not_active IP Right Cessation
- 2003-10-21 KR KR1020030073354A patent/KR100564704B1/en active IP Right Grant
- 2003-10-27 KR KR1020030075050A patent/KR100653227B1/en not_active IP Right Cessation
-
2004
- 2004-02-03 IL IL160192A patent/IL160192A/en not_active IP Right Cessation
- 2004-02-03 IL IL160191A patent/IL160191A/en active IP Right Grant
- 2004-02-05 IL IL160251A patent/IL160251A/en not_active IP Right Cessation
- 2004-02-11 IL IL160330A patent/IL160330A/en not_active IP Right Cessation
- 2004-02-11 IL IL160331A patent/IL160331A/en not_active IP Right Cessation
- 2004-02-23 NO NO20040787A patent/NO20040787L/en unknown
- 2004-12-30 HK HK04110342A patent/HK1067468A1/en not_active IP Right Cessation
-
2005
- 2005-01-17 HK HK05100427.8A patent/HK1068426A1/en not_active IP Right Cessation
- 2005-01-17 HK HK05100426.9A patent/HK1068473A1/en not_active IP Right Cessation
- 2005-04-01 HK HK05102753.8A patent/HK1070210A1/en not_active IP Right Cessation
- 2005-08-18 KR KR1020050075498A patent/KR20050097884A/en not_active Application Discontinuation
- 2005-08-18 KR KR1020050075502A patent/KR20050098775A/en not_active Application Discontinuation
- 2005-08-18 KR KR1020050075500A patent/KR20050096861A/en not_active Application Discontinuation
- 2005-08-18 KR KR1020050075501A patent/KR20050096862A/en not_active Application Discontinuation
- 2005-08-19 KR KR1020050076207A patent/KR100849910B1/en not_active IP Right Cessation
- 2005-08-19 KR KR1020050076154A patent/KR20050097887A/en not_active Application Discontinuation
- 2005-08-19 KR KR1020050076143A patent/KR20050097886A/en not_active Application Discontinuation
- 2005-10-31 KR KR1020050102867A patent/KR20050118250A/en not_active Application Discontinuation
-
2007
- 2007-08-10 KR KR1020070080447A patent/KR20070096988A/en not_active Application Discontinuation
- 2007-08-22 KR KR1020070084520A patent/KR20070100672A/en not_active Application Discontinuation
- 2007-08-23 KR KR1020070084986A patent/KR20070093036A/en not_active Application Discontinuation
- 2007-08-23 KR KR1020070084978A patent/KR20070093035A/en not_active Application Discontinuation
- 2007-08-23 KR KR1020070085059A patent/KR20070094877A/en not_active Application Discontinuation
- 2007-09-14 KR KR1020070093512A patent/KR20070110214A/en not_active Application Discontinuation
- 2007-09-21 KR KR1020070096628A patent/KR20070112741A/en not_active Application Discontinuation
-
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- 2008-07-04 AR ARP080102895A patent/AR067421A2/en unknown
-
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- 2009-07-26 IL IL200079A patent/IL200079A/en not_active IP Right Cessation
-
2010
- 2010-01-07 US US12/683,711 patent/US8102801B2/en not_active Expired - Fee Related
- 2010-08-12 IL IL207563A patent/IL207563A0/en unknown
-
2012
- 2012-01-23 US US13/356,206 patent/US20120120928A1/en not_active Abandoned
-
2017
- 2017-06-05 US US15/614,010 patent/US20170272205A1/en not_active Abandoned
Patent Citations (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912705A (en) * | 1985-03-20 | 1990-03-27 | International Mobile Machines Corporation | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
US5280498A (en) * | 1989-06-29 | 1994-01-18 | Symbol Technologies, Inc. | Packet data communication system |
US5101406A (en) * | 1989-08-24 | 1992-03-31 | Telesystems Slw Inc. | Wireless communications system |
US5544196A (en) * | 1992-03-05 | 1996-08-06 | Qualcomm Incorporated | Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system |
US5345439A (en) * | 1992-04-25 | 1994-09-06 | British Aerospace Space Systems Limited | Multi purpose digital signal regenerative processing apparatus |
US5351016A (en) * | 1993-05-28 | 1994-09-27 | Ericsson Ge Mobile Communications Inc. | Adaptively self-correcting modulation system and method |
US5345600A (en) * | 1993-08-31 | 1994-09-06 | Motorola, Inc. | Method and apparatus for selectively-enabled diversity signaling in a radio communications system |
US5570369A (en) * | 1994-03-15 | 1996-10-29 | Nokia Mobile Phones Limited | Reduction of power consumption in a mobile station |
US5956624A (en) * | 1994-07-12 | 1999-09-21 | Usa Digital Radio Partners Lp | Method and system for simultaneously broadcasting and receiving digital and analog signals |
US5648969A (en) * | 1995-02-13 | 1997-07-15 | Netro Corporation | Reliable ATM microwave link and network |
US5657325A (en) * | 1995-03-31 | 1997-08-12 | Lucent Technologies Inc. | Transmitter and method for transmitting information packets with incremental redundancy |
US5729557A (en) * | 1995-10-12 | 1998-03-17 | Pacific Communication Systems, Inc. | Cellular communication system with multiple code rates |
US5946320A (en) * | 1995-10-23 | 1999-08-31 | Nokia Mobile Phones Limited | Method for transmitting packet data with hybrid FEC/ARG type II |
US6134694A (en) * | 1996-02-29 | 2000-10-17 | Ntt Mobile Communications Network, Inc. | Error control method and error control device for digital communication |
US5828677A (en) * | 1996-03-20 | 1998-10-27 | Lucent Technologies Inc. | Adaptive hybrid ARQ coding schemes for slow fading channels in mobile radio systems |
US5838267A (en) * | 1996-10-09 | 1998-11-17 | Ericsson, Inc. | Method and apparatus for encoding and decoding digital information |
US5983382A (en) * | 1996-12-31 | 1999-11-09 | Lucent Technologies, Inc. | Automatic retransmission query (ARQ) with inner code for generating multiple provisional decodings of a data packet |
US5983383A (en) * | 1997-01-17 | 1999-11-09 | Qualcom Incorporated | Method and apparatus for transmitting and receiving concatenated code data |
US6128276A (en) * | 1997-02-24 | 2000-10-03 | Radix Wireless, Inc. | Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays |
US6189123B1 (en) * | 1997-03-26 | 2001-02-13 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for communicating a block of digital information between a sending and a receiving station |
US5983384A (en) * | 1997-04-21 | 1999-11-09 | General Electric Company | Turbo-coding with staged data transmission and processing |
US6289003B1 (en) * | 1997-04-28 | 2001-09-11 | Espoomoblie Phones, Limited | Method for transmitting packet switched data in a mobile communications system |
US6317418B1 (en) * | 1997-04-28 | 2001-11-13 | Nokia Mobile Phones Limited | Method for transmitting packet switched data in a mobile communications system |
US6212659B1 (en) * | 1997-05-30 | 2001-04-03 | Qualcomm Inc. | Method and apparatus for providing error protection for over the air file transfer |
US6064692A (en) * | 1997-06-20 | 2000-05-16 | Amati Communications Corporation | Protocol for transceiver initialization |
US5982760A (en) * | 1997-06-20 | 1999-11-09 | Qualcomm Inc. | Method and apparatus for power adaptation control in closed-loop communications |
US6049549A (en) * | 1997-08-14 | 2000-04-11 | University Of Massachusetts | Adaptive media control |
US6021124A (en) * | 1997-08-19 | 2000-02-01 | Telefonaktiebolaget Lm Ericsson | Multi-channel automatic retransmission query (ARQ) method |
US6272183B1 (en) * | 1997-08-22 | 2001-08-07 | Siemens Aktiengesellschaft | Method for data transmission on transmission channels in a digital transmission system |
US6208663B1 (en) * | 1997-08-29 | 2001-03-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for block ARQ with reselection of FEC coding and/or modulation |
US6233711B1 (en) * | 1997-09-02 | 2001-05-15 | Sony Corporation | Turbo coding, decoding devices and turbo coding, decoding methods |
US6145108A (en) * | 1997-09-04 | 2000-11-07 | Conexant Systems, Inc. | Retransmission packet capture system within a wireless multiservice communications environment |
US6138260A (en) * | 1997-09-04 | 2000-10-24 | Conexant Systems, Inc. | Retransmission packet capture system within a wireless multiservice communications environment with turbo decoding |
US6130918A (en) * | 1997-12-01 | 2000-10-10 | Nortel Networks Limited | Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system |
US6370669B1 (en) * | 1998-01-23 | 2002-04-09 | Hughes Electronics Corporation | Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizes |
US6154489A (en) * | 1998-03-30 | 2000-11-28 | Motorola, Inc. | Adaptive-rate coded digital image transmission |
US6212240B1 (en) * | 1998-06-24 | 2001-04-03 | Motorola, Inc. | Method and apparatus for conveying data between communication devices |
US6359877B1 (en) * | 1998-07-21 | 2002-03-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for minimizing overhead in a communication system |
US6647076B1 (en) * | 1998-11-24 | 2003-11-11 | Infineon Technologies Ag | Method of compensating for interference in a signal generated by discrete multitone modulation, and circuit configuration for carrying out the method. |
US6529561B2 (en) * | 1999-09-10 | 2003-03-04 | Nokia Networks Oy | Data transmission in radio system |
US6449246B1 (en) * | 1999-09-15 | 2002-09-10 | Telcordia Technologies, Inc. | Multicarrier personal access communication system |
US6366601B1 (en) * | 1999-11-17 | 2002-04-02 | Motorola, Inc. | Variable rate spread spectrum communication method and apparatus |
US6308294B1 (en) * | 1999-11-17 | 2001-10-23 | Motorola, Inc. | Adaptive hybrid ARQ using turbo code structure |
US6275488B1 (en) * | 1999-11-17 | 2001-08-14 | Motorola, Inc. | Variable rate spread spectrum communication method and apparatus |
US6760860B1 (en) * | 2000-04-17 | 2004-07-06 | Nortel Networks Limited | Automatic retransmission request layer interaction in a wireless network |
US6735180B1 (en) * | 2000-06-30 | 2004-05-11 | Nokia Mobile Phones, Ltd. | Method of sending feedback information in a fast automatic repeat request forming part of an overall wireless communication system |
US20020037058A1 (en) * | 2000-07-07 | 2002-03-28 | Koninklijke Philips Electronics N.V. | Frequency-domain equalizer for terrestrial digital TV reception |
US6522650B1 (en) * | 2000-08-04 | 2003-02-18 | Intellon Corporation | Multicast and broadcast transmission with partial ARQ |
US20020064167A1 (en) * | 2000-11-29 | 2002-05-30 | Khan Farooq Ullah | Hybrid ARQ with parallel packet transmission |
Cited By (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040015767A1 (en) * | 2001-07-13 | 2004-01-22 | Sadaki Futagi | Transmission apparatus and reception apparatus |
US7519018B2 (en) | 2001-08-24 | 2009-04-14 | Interdigital Technology Corporation | Method for physical layer automatic repeat request for a subscriber unit |
US8102801B2 (en) | 2001-08-24 | 2012-01-24 | Interdigital Technology Corporation | User equipment for physical layer automatic repeat request |
US20030039220A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Implementing a physical layer automatic repeat request for a subscriber unit |
US20100110991A1 (en) * | 2001-08-24 | 2010-05-06 | Interdigital Technology Corporation | User equipment for physical layer automatic repeat request |
US7672265B2 (en) | 2001-08-24 | 2010-03-02 | Interdigital Technology Corporation | Method for physical layer automatic repeat request for a base station |
US7149192B2 (en) | 2001-08-24 | 2006-12-12 | Interdigital Technology Corporation | Base station implementing a physical layer automatic repeat request |
US20030039227A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Method for physical layer automatic repeat request for a base station |
US20030039218A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Base station implementing a physical layer automatic repeat request |
US20030039219A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Method for physical layer automatic repeat request for a subscriber unit |
US20040047425A1 (en) * | 2001-08-28 | 2004-03-11 | Katsutoshi Itoh | Transmission apparatus, transmission control method, reception apparatus, and reception control method |
US7277492B2 (en) * | 2001-08-28 | 2007-10-02 | Sony Corporation | Transmission apparatus, transmission control method, reception apparatus, and reception control method |
US7000021B1 (en) * | 2001-10-12 | 2006-02-14 | Cisco Technology, Inc. | ARQ (automatic repeat request) for broadband fixed wireless network |
US7403541B2 (en) * | 2002-01-05 | 2008-07-22 | Lg Electronics Inc. | Data transmission method for HSDPA |
US20030131124A1 (en) * | 2002-01-05 | 2003-07-10 | Lg Electronics Inc. | Data transmission method for HSDPA |
US10230488B2 (en) | 2002-02-13 | 2019-03-12 | Intel Corporation | User equipment using hybrid automatic repeat request |
US8074140B2 (en) | 2002-02-13 | 2011-12-06 | Interdigital Technology Corporation | User equipment using hybrid automatic repeat request |
US9344252B2 (en) | 2002-02-13 | 2016-05-17 | Intel Corporation | User equipment using hybrid automatic repeat request |
US20030153276A1 (en) * | 2002-02-13 | 2003-08-14 | Interdigital Technology Corporation | Transport block set transmission using hybrid automatic repeat request |
US8341482B2 (en) | 2002-02-13 | 2012-12-25 | Intel Corporation | User equipment using hybrid automatic repeat request |
US20080052591A1 (en) * | 2002-02-13 | 2008-02-28 | Interdigital Technology Corporation | User equipment using hybrid automatic repeat request |
US20030210668A1 (en) * | 2002-05-13 | 2003-11-13 | Malladi Durga P. | Mitigation of link imbalance in a wireless communication system |
US8014363B2 (en) | 2002-05-13 | 2011-09-06 | Qualcomm Incorporated | Mitigation of link imbalance in a wireless communication system |
US7352722B2 (en) * | 2002-05-13 | 2008-04-01 | Qualcomm Incorporated | Mitigation of link imbalance in a wireless communication system |
US20040082337A1 (en) * | 2002-10-21 | 2004-04-29 | Evolium S.A.S. | Method and a system for managing the changing of resources in a communications network |
US7308033B2 (en) * | 2002-10-22 | 2007-12-11 | Electronics And Telecommunications Research Institute | Apparatus and method for tracking residual frequency offset for single carrier-frequency domain equalizer system |
US20040076239A1 (en) * | 2002-10-22 | 2004-04-22 | Hee-Jung Yu | Apparatus and method for tracking residual frequency offset for single carrier-frequency domain equalizer system |
US20060190796A1 (en) * | 2003-04-04 | 2006-08-24 | Matsushita Electric Industrial Co., Ltd. | Radio transmission device and radio transmission method |
US7477628B2 (en) * | 2003-04-04 | 2009-01-13 | Panasonic Corporation | Hybrid ARQ communication apparatus and method |
US7911954B2 (en) | 2003-07-02 | 2011-03-22 | Nokia Corporation | Facilitating retransmission of data packets in a packet radio communication system by utilizing a feedback acknowledgment scheme |
US20050224596A1 (en) * | 2003-07-08 | 2005-10-13 | Panopoulos Peter J | Machine that is an automatic pesticide, insecticide, repellant, poison, air freshener, disinfectant or other type of spray delivery system |
US20070263735A1 (en) * | 2004-04-02 | 2007-11-15 | Nortel Networks Limited | Wireless Communication Methods, Systems, and Signal Structures |
US20050225681A1 (en) * | 2004-04-09 | 2005-10-13 | Young-Wook Sohn | Display apparatus |
US7954032B2 (en) | 2005-06-17 | 2011-05-31 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US8078931B2 (en) | 2005-06-17 | 2011-12-13 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US20100223521A1 (en) * | 2005-06-17 | 2010-09-02 | Yu-Chul Kim | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
JP2011030277A (en) * | 2005-06-17 | 2011-02-10 | Samsung Electronics Co Ltd | Device and method for transmitting and receiving broadcast data in mobile communication system |
WO2006135221A1 (en) * | 2005-06-17 | 2006-12-21 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US20070011555A1 (en) * | 2005-06-17 | 2007-01-11 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US8006159B2 (en) | 2005-06-17 | 2011-08-23 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US20100095182A1 (en) * | 2005-06-17 | 2010-04-15 | Yu-Chul Kim | Apparatus and method for transmitting/receiving broadcast data in a mobile communication system |
US20080159180A1 (en) * | 2005-07-20 | 2008-07-03 | Reha Civanlar | System and method for a high reliability base layer trunk |
US20080002650A1 (en) * | 2006-06-28 | 2008-01-03 | Pengfei Xia | Partially delayed acknowledgment mechanism for reducing decoding delay in WiHD |
US20080037465A1 (en) * | 2006-08-09 | 2008-02-14 | Chiu Ngo | System and method for wireless communication of uncompressed video having acknowledgement (ACK) frames |
US8031691B2 (en) | 2006-08-09 | 2011-10-04 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed video having acknowledgment (ACK) frames |
US8111654B2 (en) | 2006-08-09 | 2012-02-07 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed video having acknowledgement (ACK) frames |
US20080219285A1 (en) * | 2007-03-08 | 2008-09-11 | Microsoft Corporation | Multi-Channel Communications Protocol |
WO2008109879A1 (en) * | 2007-03-08 | 2008-09-12 | Microsoft Corporation | Multi-channel communications protocol |
US8681888B1 (en) * | 2007-12-26 | 2014-03-25 | Marvell International Ltd. | Link adaptation for OFDM systems |
US9106371B1 (en) | 2007-12-26 | 2015-08-11 | Marvell International Ltd. | Link adaptation for OFDM systems |
US8488684B2 (en) * | 2008-09-17 | 2013-07-16 | Qualcomm Incorporated | Methods and systems for hybrid MIMO decoding |
US20100067596A1 (en) * | 2008-09-17 | 2010-03-18 | Qualcomm Incorporated | Methods and systems for hybrid mimo decoding |
US9432146B2 (en) | 2009-01-07 | 2016-08-30 | Koninklijke Philips N.V. | Method for communication in a wireless network and communication device |
CN112602126A (en) * | 2018-08-24 | 2021-04-02 | 住友电气工业株式会社 | Information providing device, information providing method, information providing system, computer program, and data structure |
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