CA2634337A1 - Adaptive power control for a spread-spectrum transmitter - Google Patents
Adaptive power control for a spread-spectrum transmitter Download PDFInfo
- Publication number
- CA2634337A1 CA2634337A1 CA002634337A CA2634337A CA2634337A1 CA 2634337 A1 CA2634337 A1 CA 2634337A1 CA 002634337 A CA002634337 A CA 002634337A CA 2634337 A CA2634337 A CA 2634337A CA 2634337 A1 CA2634337 A1 CA 2634337A1
- Authority
- CA
- Canada
- Prior art keywords
- power level
- signal
- subscriber unit
- parameter
- cellular subscriber
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/221—TPC being performed according to specific parameters taking into account previous information or commands using past power control commands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
Abstract
A cellular subscriber unit includes an antenna configured to receive a first signal including a parameter from a base station. A circuit is operatively coupled to the antenna and is configured to determine a first power level associated with the first signal. The circuit is further configured to determine a second power level based on the first power level and the parameter, and to transmit a second signal at the second power level using the antenna.
Claims (22)
1. A cellular subscriber unit comprising:
an antenna configured to receive a first signal including a parameter from a base station;
a circuit operatively coupled to the antenna configured to determine a first power level associated with the first signal, wherein the circuit is further configured to determine a second power level based on the first power level and the parameter; and the circuit further configured to transmit a second signal at the second power level using the antenna.
an antenna configured to receive a first signal including a parameter from a base station;
a circuit operatively coupled to the antenna configured to determine a first power level associated with the first signal, wherein the circuit is further configured to determine a second power level based on the first power level and the parameter; and the circuit further configured to transmit a second signal at the second power level using the antenna.
2. The cellular subscriber unit of claim 1, wherein information associated with the parameter is time division multiplexed over the first signal.
3. The cellular subscriber unit of claim 1, further comprising a filter circuit.
4. The cellular subscriber unit of claim 3, wherein the filter circuit is a bandpass filter.
5. The cellular subscriber unit of claim 3, further comprising a decoder circuit.
6. The cellular subscriber unit of claim 5, further comprising a gain device.
7. The cellular subscriber unit of claim 6, further comprising a multiplexer circuit.
8. A method for use in a cellular subscriber unit, the method comprising:
receiving a first signal including a parameter from a base station;
determining a first power level associated with the first signal;
determining a second power level based on the first power level and the parameter; and transmitting a second signal at the second power level.
receiving a first signal including a parameter from a base station;
determining a first power level associated with the first signal;
determining a second power level based on the first power level and the parameter; and transmitting a second signal at the second power level.
9. The method of claim 8, wherein information associated with the parameter is time division multiplexed over the first signal.
10. The method of claim 8, further comprising filtering the first signal.
11. The method of claim 10, wherein the filtering is performed using a bandpass filter.
12. A cellular subscriber unit comprising:
an antenna configured to receive a first signal carrying a first channel and a second channel from a base station, wherein the second channel includes a parameter;
a circuit operatively coupled to the receiver configured to determine a first power level associated with the first channel, wherein the circuit is further configured to determine a second power level based on the first power level and the parameter; and the circuit further configured to transmit a second signal at the second power level using the antenna.
an antenna configured to receive a first signal carrying a first channel and a second channel from a base station, wherein the second channel includes a parameter;
a circuit operatively coupled to the receiver configured to determine a first power level associated with the first channel, wherein the circuit is further configured to determine a second power level based on the first power level and the parameter; and the circuit further configured to transmit a second signal at the second power level using the antenna.
13. The cellular subscriber unit of claim 12, wherein information associated with the parameter is time division multiplexed over the first signal.
14. The cellular subscriber unit of claim 12, further comprising a filter circuit.
15. The cellular subscriber unit of claim 12, wherein the filter circuit is a bandpass filter.
16. The cellular subscriber unit of claim 12, further comprising a decoder circuit.
17. The cellular subscriber unit of claim 16, further comprising a gain device.
18. The cellular subscriber unit of claim 17, further comprising a multiplexer circuit.
19. A method for use in a cellular subscriber unit, the method comprising:
receiving a first signal carrying first and second channels from a base station, wherein the second channel includes a parameter;
determining a first power level associated with the first channel;
determining a second power level based on the first power level and the parameter;
transmitting a second signal at the second power level.
receiving a first signal carrying first and second channels from a base station, wherein the second channel includes a parameter;
determining a first power level associated with the first channel;
determining a second power level based on the first power level and the parameter;
transmitting a second signal at the second power level.
20. The method of claim 19, wherein information associated with the parameter is time division multiplexed over the first signal.
21. The method of claim 19, further comprising filtering the first signal.
22. The method of claim 21, wherein the filtering is carried out with a bandpass filter.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/614,816 | 1990-11-16 | ||
US07/614,816 US5093840A (en) | 1990-11-16 | 1990-11-16 | Adaptive power control for a spread spectrum transmitter |
CA002425549A CA2425549C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002425549A Division CA2425549C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2634337A1 true CA2634337A1 (en) | 1992-05-17 |
CA2634337C CA2634337C (en) | 2010-11-02 |
Family
ID=24462823
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2634337A Expired - Lifetime CA2634337C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
CA002091783A Expired - Lifetime CA2091783C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread spectrum transmitter |
CA002425549A Expired - Lifetime CA2425549C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
CA002310104A Expired - Lifetime CA2310104C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002091783A Expired - Lifetime CA2091783C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread spectrum transmitter |
CA002425549A Expired - Lifetime CA2425549C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
CA002310104A Expired - Lifetime CA2310104C (en) | 1990-11-16 | 1991-11-14 | Adaptive power control for a spread-spectrum transmitter |
Country Status (8)
Country | Link |
---|---|
US (1) | US5093840A (en) |
EP (4) | EP0515610B1 (en) |
CA (4) | CA2634337C (en) |
DE (3) | DE69133467T2 (en) |
ES (3) | ES2137911T3 (en) |
HK (2) | HK1015570A1 (en) |
SG (1) | SG43873A1 (en) |
WO (1) | WO1992009156A1 (en) |
Families Citing this family (120)
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-
1991
- 1991-11-14 ES ES98100395T patent/ES2137911T3/en not_active Expired - Lifetime
- 1991-11-14 CA CA2634337A patent/CA2634337C/en not_active Expired - Lifetime
- 1991-11-14 DE DE69133467T patent/DE69133467T2/en not_active Expired - Lifetime
- 1991-11-14 EP EP92900295A patent/EP0515610B1/en not_active Expired - Lifetime
- 1991-11-14 CA CA002091783A patent/CA2091783C/en not_active Expired - Lifetime
- 1991-11-14 ES ES92900295T patent/ES2121840T3/en not_active Expired - Lifetime
- 1991-11-14 EP EP98100395A patent/EP0855807B1/en not_active Expired - Lifetime
- 1991-11-14 EP EP08102081A patent/EP1926227A3/en not_active Withdrawn
- 1991-11-14 WO PCT/US1991/008413 patent/WO1992009156A1/en active IP Right Grant
- 1991-11-14 CA CA002425549A patent/CA2425549C/en not_active Expired - Lifetime
- 1991-11-14 DE DE69129936T patent/DE69129936T2/en not_active Expired - Lifetime
- 1991-11-14 DE DE69133619T patent/DE69133619D1/en not_active Expired - Lifetime
- 1991-11-14 CA CA002310104A patent/CA2310104C/en not_active Expired - Lifetime
- 1991-11-14 EP EP05000354A patent/EP1523110B1/en not_active Expired - Lifetime
- 1991-11-14 SG SG1996003571A patent/SG43873A1/en unknown
- 1991-11-14 ES ES05000354T patent/ES2329048T3/en not_active Expired - Lifetime
-
1999
- 1999-01-22 HK HK99100303A patent/HK1015570A1/en not_active IP Right Cessation
-
2005
- 2005-10-07 HK HK05108902.5A patent/HK1074931A1/en not_active IP Right Cessation
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CA2634337C (en) | 2010-11-02 |
ES2137911T3 (en) | 2005-11-01 |
EP0855807A2 (en) | 1998-07-29 |
DE69129936D1 (en) | 1998-09-10 |
EP0855807B1 (en) | 2005-06-01 |
HK1074931A1 (en) | 2005-11-25 |
EP1523110A3 (en) | 2006-01-18 |
EP0855807A3 (en) | 1999-09-01 |
EP0515610B1 (en) | 1998-08-05 |
EP0515610A4 (en) | 1993-06-09 |
CA2310104C (en) | 2003-07-15 |
WO1992009156A1 (en) | 1992-05-29 |
EP0515610A1 (en) | 1992-12-02 |
ES2137911T1 (en) | 2000-01-01 |
EP1926227A2 (en) | 2008-05-28 |
DE69133467D1 (en) | 2005-07-07 |
ES2329048T3 (en) | 2009-11-20 |
CA2310104A1 (en) | 1992-05-17 |
CA2425549C (en) | 2008-09-23 |
HK1015570A1 (en) | 1999-10-15 |
CA2091783C (en) | 2000-07-25 |
ES2121840T3 (en) | 1998-12-16 |
SG43873A1 (en) | 1997-11-14 |
CA2091783A1 (en) | 1992-05-17 |
EP1523110A2 (en) | 2005-04-13 |
US5093840A (en) | 1992-03-03 |
EP1926227A3 (en) | 2010-03-03 |
DE69133619D1 (en) | 2009-08-06 |
EP1523110B1 (en) | 2009-06-24 |
DE69133467T2 (en) | 2006-04-27 |
DE69129936T2 (en) | 1999-04-22 |
CA2425549A1 (en) | 1992-05-17 |
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