CN1163518A - 无线电信号的发送与接收 - Google Patents
无线电信号的发送与接收 Download PDFInfo
- Publication number
- CN1163518A CN1163518A CN97103485A CN97103485A CN1163518A CN 1163518 A CN1163518 A CN 1163518A CN 97103485 A CN97103485 A CN 97103485A CN 97103485 A CN97103485 A CN 97103485A CN 1163518 A CN1163518 A CN 1163518A
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- digital
- analog
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/208—Frequency-division multiple access [FDMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9605240.2 | 1996-03-12 | ||
GB9605240A GB2311194B (en) | 1996-03-12 | 1996-03-12 | Transmitting and receiving radio signals |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1163518A true CN1163518A (zh) | 1997-10-29 |
CN1104101C CN1104101C (zh) | 2003-03-26 |
Family
ID=10790289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97103485A Expired - Lifetime CN1104101C (zh) | 1996-03-12 | 1997-03-11 | 无线电信号的发送与接收 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6091780A (zh) |
EP (1) | EP0795978A3 (zh) |
JP (1) | JPH09331273A (zh) |
CN (1) | CN1104101C (zh) |
GB (1) | GB2311194B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107534421A (zh) * | 2015-02-25 | 2018-01-02 | 法国大陆汽车公司 | 用于射频接收器的信道选择器 |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2320632B (en) * | 1996-12-23 | 2001-09-05 | Nokia Mobile Phones Ltd | Method and apparatus for transmitting and receiving signals |
US6347121B1 (en) * | 1997-03-11 | 2002-02-12 | Erkka Sointula | Transmitting and receiving radio signals |
US7035607B2 (en) * | 1998-05-29 | 2006-04-25 | Silicon Laboratories Inc. | Systems and methods for providing an adjustable reference signal to RF circuitry |
US7242912B2 (en) * | 1998-05-29 | 2007-07-10 | Silicon Laboratories Inc. | Partitioning of radio-frequency apparatus |
US6970717B2 (en) * | 2001-01-12 | 2005-11-29 | Silicon Laboratories Inc. | Digital architecture for radio-frequency apparatus and associated methods |
US7221921B2 (en) * | 1998-05-29 | 2007-05-22 | Silicon Laboratories | Partitioning of radio-frequency apparatus |
US6321075B1 (en) * | 1998-07-30 | 2001-11-20 | Qualcomm Incorporated | Hardware-efficient transceiver with delta-sigma digital-to-analog converter |
US6377967B1 (en) * | 1998-08-12 | 2002-04-23 | Northrop Grumman Corporation | Efficient digital integration technique filter |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
GB9821088D0 (en) * | 1998-09-30 | 1998-11-18 | Koninkl Philips Electronics Nv | Radio transmitter |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
GB2352944B (en) | 1999-05-31 | 2004-02-11 | Korea Electronics Telecomm | Apparatus and method for moduating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication sytem |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
GB9921813D0 (en) * | 1999-09-16 | 1999-11-17 | Mitel Semiconductor Ltd | Frequency converter and radio frequency tuner |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US20020022465A1 (en) * | 2000-08-15 | 2002-02-21 | Mccullagh Michael J. | Apparatus and method for integrated frequency hopping and GPS receiver |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
KR100457175B1 (ko) * | 2002-12-14 | 2004-11-16 | 한국전자통신연구원 | 직교 변조 송신기 |
US20050020205A1 (en) * | 2003-07-23 | 2005-01-27 | Ramin Khoini-Poorfard | Apparatus and method for carrier feedthrough cancellation in RF upconverters |
US20050020217A1 (en) * | 2003-07-23 | 2005-01-27 | Ramin Khoini-Poorfard | Communication terminal with low carrier feedthrough and communication system using such a terminal |
CN101116301B (zh) | 2004-12-23 | 2018-01-05 | 韩国电子通信研究院 | 用于发送和接收数据以提供高速数据通信的设备及方法 |
CN101764975B (zh) * | 2008-12-25 | 2012-06-27 | 承景科技股份有限公司 | 数字解调装置以及数字解调方法 |
CN101588332B (zh) * | 2009-05-19 | 2011-08-17 | 哈尔滨工业大学 | 一种余弦与切普信号联合的信号调制和解调方法及基于所述方法的信号发射和接收方法 |
CN103269259B (zh) | 2013-05-23 | 2016-09-21 | 小米科技有限责任公司 | 一种信号解调方法及装置 |
US10153133B2 (en) | 2015-03-23 | 2018-12-11 | Applied Materials, Inc. | Plasma reactor having digital control over rotation frequency of a microwave field with direct up-conversion |
US10887138B2 (en) * | 2018-12-03 | 2021-01-05 | Samsung Electronics Co., Ltd | Low digital intermediate frequency (IF) image cancelling transceiver |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4348641A (en) * | 1980-01-08 | 1982-09-07 | E-Systems, Inc. | Digital baseband carrier recovery circuit |
US5291474A (en) * | 1989-05-18 | 1994-03-01 | Nokia Mobile Phones Ltd. | Procedure for forming frequencies of a digital radio telephone |
GB2266646B (en) * | 1989-08-14 | 1994-06-29 | Interdigital Tech Corp | A finite impulse response (FIR) chip for use in a subscriber unit for a wireless digital telephone system |
GB2270447B (en) * | 1989-08-14 | 1994-05-25 | Interdigital Tech Corp | A subscriber unit |
US5008900A (en) * | 1989-08-14 | 1991-04-16 | International Mobile Machines Corporation | Subscriber unit for wireless digital subscriber communication system |
FI89845C (fi) * | 1991-09-04 | 1993-11-25 | Nokia Mobile Phones Ltd | Koppling foer alstring av saendningssignal i en radiotelefon |
US5160900A (en) * | 1992-01-21 | 1992-11-03 | Nokia Mobile Phones Ltd. | Method to speed up the training of a shift oscillator in a frequency synthesizer |
GB2277010B (en) * | 1993-03-01 | 1997-09-17 | Texas Instruments Ltd | A method of generation and demodulation of modulated signals and radio transmitters and receivers using the method |
GB2283871B (en) * | 1993-10-28 | 1998-01-21 | Plessey Semiconductors Ltd | Control arrangements for digital radio receivers |
US5663989A (en) * | 1993-10-28 | 1997-09-02 | Plessey Semiconductors Limited | Control arrangements for digital radio receivers |
US5867535A (en) * | 1995-08-31 | 1999-02-02 | Northrop Grumman Corporation | Common transmit module for a programmable digital radio |
US5841814A (en) * | 1995-10-17 | 1998-11-24 | Paradyne Corporation | Sampling system for radio frequency receiver |
US5631655A (en) * | 1995-12-21 | 1997-05-20 | Hughes Electronics | System and method for radar receiver harmonic distortion and spurious response control |
US5732333A (en) * | 1996-02-14 | 1998-03-24 | Glenayre Electronics, Inc. | Linear transmitter using predistortion |
-
1996
- 1996-03-12 GB GB9605240A patent/GB2311194B/en not_active Expired - Fee Related
-
1997
- 1997-01-15 EP EP97300230A patent/EP0795978A3/en not_active Withdrawn
- 1997-03-11 US US08/815,388 patent/US6091780A/en not_active Expired - Lifetime
- 1997-03-11 CN CN97103485A patent/CN1104101C/zh not_active Expired - Lifetime
- 1997-03-11 JP JP9055357A patent/JPH09331273A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107534421A (zh) * | 2015-02-25 | 2018-01-02 | 法国大陆汽车公司 | 用于射频接收器的信道选择器 |
CN107534421B (zh) * | 2015-02-25 | 2020-10-02 | 法国大陆汽车公司 | 用于射频接收器的信道选择器 |
Also Published As
Publication number | Publication date |
---|---|
EP0795978A3 (en) | 1999-07-21 |
GB9605240D0 (en) | 1996-05-15 |
GB2311194B (en) | 2000-05-31 |
CN1104101C (zh) | 2003-03-26 |
GB2311194A (en) | 1997-09-17 |
US6091780A (en) | 2000-07-18 |
JPH09331273A (ja) | 1997-12-22 |
EP0795978A2 (en) | 1997-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170105 Address after: Espoo, Finland Patentee after: NOKIA TECHNOLOGIES OY Address before: Espoo, Finland Patentee before: Nokia Corp. Effective date of registration: 20170105 Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Finland Thessaloniki Patentee before: Nokia Mobile Phones Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20030326 |
|
CX01 | Expiry of patent term |