CA2380264A1 - Method and apparatus for reducing frame error rate - Google Patents
Method and apparatus for reducing frame error rate Download PDFInfo
- Publication number
- CA2380264A1 CA2380264A1 CA002380264A CA2380264A CA2380264A1 CA 2380264 A1 CA2380264 A1 CA 2380264A1 CA 002380264 A CA002380264 A CA 002380264A CA 2380264 A CA2380264 A CA 2380264A CA 2380264 A1 CA2380264 A1 CA 2380264A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- demodulated signal
- distorted
- error rate
- frame error
- 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
-
- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
- H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error 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
- H04W52/20—TPC being performed according to specific parameters using error rate
Abstract
A method and apparatus for controlling a signal transmission power. The method of the present invention includes the steps of demodulating a received signal (401) to produce a demodulated signal (407) and distorting the demodulated signal (412) to produce a distorted demodulated signal (413). The demodulated signal (412) can be distorted by, for example, adding noise. A
signal quality measurement, such as signal-to-noise ratio, is then determined (416, 418, 502, 602) based on the distorted demodulated signal rather than the demodulated signal. An adjustment in the transmission power is then requested (420, 506, 508) based on the signal quality measurement of the distorted demodulated signal.
signal quality measurement, such as signal-to-noise ratio, is then determined (416, 418, 502, 602) based on the distorted demodulated signal rather than the demodulated signal. An adjustment in the transmission power is then requested (420, 506, 508) based on the signal quality measurement of the distorted demodulated signal.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/358,997 | 1999-07-22 | ||
US09/358,997 US6298242B1 (en) | 1999-07-22 | 1999-07-22 | Method and apparatus for reducing frame error rate through signal power adjustment |
PCT/US2000/019415 WO2001008323A1 (en) | 1999-07-22 | 2000-07-14 | Method and apparatus for reducing frame error rate |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2380264A1 true CA2380264A1 (en) | 2001-02-01 |
CA2380264C CA2380264C (en) | 2008-11-25 |
Family
ID=23411901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002380264A Expired - Fee Related CA2380264C (en) | 1999-07-22 | 2000-07-14 | Method and apparatus for reducing frame error rate |
Country Status (11)
Country | Link |
---|---|
US (1) | US6298242B1 (en) |
EP (2) | EP1201044B1 (en) |
JP (1) | JP4574923B2 (en) |
KR (1) | KR100648867B1 (en) |
CN (1) | CN1165119C (en) |
AU (1) | AU6104500A (en) |
CA (1) | CA2380264C (en) |
DE (1) | DE60037196T2 (en) |
HK (1) | HK1047828B (en) |
TW (1) | TW477125B (en) |
WO (1) | WO2001008323A1 (en) |
Families Citing this family (41)
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TW347616B (en) | 1995-03-31 | 1998-12-11 | Qualcomm Inc | Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed. |
US6977967B1 (en) | 1995-03-31 | 2005-12-20 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
DE19736626C1 (en) * | 1997-08-22 | 1998-12-10 | Siemens Ag | Data transmission method in digital transmission system |
JP3250529B2 (en) * | 1998-10-09 | 2002-01-28 | 日本電気株式会社 | Multi-dimensional pseudo noise generation circuit for soft decision demodulation |
US6621808B1 (en) * | 1999-08-13 | 2003-09-16 | International Business Machines Corporation | Adaptive power control based on a rake receiver configuration in wideband CDMA cellular systems (WCDMA) and methods of operation |
EP1128572B1 (en) * | 2000-02-21 | 2007-09-05 | Alcatel Lucent | A method of adjusting a signal quality target during transmission power control in a CDMA radio communication network |
US6498937B1 (en) * | 2000-07-14 | 2002-12-24 | Trw Inc. | Asymmetric bandwidth wireless communication techniques |
US8605686B2 (en) * | 2001-02-12 | 2013-12-10 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
BR0208493A (en) * | 2001-03-28 | 2005-12-13 | Qualcomm Inc | Power control for point-to-multipoint services provided in communication systems |
US8199696B2 (en) * | 2001-03-29 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
SE0101281D0 (en) * | 2001-04-06 | 2001-04-06 | Ericsson Telefon Ab L M | Method and system of link control |
US7292601B2 (en) * | 2001-06-19 | 2007-11-06 | At&T Corp. | Error-rate management in wireless systems |
JP4147780B2 (en) * | 2002-02-12 | 2008-09-10 | 日本電気株式会社 | Quality threshold setting method and communication control apparatus using the same |
KR100911138B1 (en) * | 2002-04-25 | 2009-08-06 | 삼성전자주식회사 | Power controllable wireless mobile communication system of adaptive modulation and coding scheme and its method therefor |
US7142865B2 (en) * | 2002-05-31 | 2006-11-28 | Telefonaktie Bolaget Lm Ericsson (Publ) | Transmit power control based on virtual decoding |
US7184713B2 (en) * | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
US6898193B2 (en) * | 2002-06-20 | 2005-05-24 | Qualcomm, Incorporated | Adaptive gain adjustment control |
US6850771B2 (en) * | 2002-06-24 | 2005-02-01 | Qualcomm Incorporated | Uplink power control |
GB2393358A (en) * | 2002-09-23 | 2004-03-24 | Ericsson Telefon Ab L M | Estimated signal-to-interference ratio provides feedback to integrating controller for transmission power control |
GB2396523B (en) * | 2002-12-17 | 2006-01-25 | Motorola Inc | Method and apparatus for power control for a transmitter in a cellular communication system |
US7738848B2 (en) * | 2003-01-14 | 2010-06-15 | Interdigital Technology Corporation | Received signal to noise indicator |
US20040235423A1 (en) * | 2003-01-14 | 2004-11-25 | Interdigital Technology Corporation | Method and apparatus for network management using perceived signal to noise and interference indicator |
DE10341361B4 (en) * | 2003-09-08 | 2007-04-05 | Siemens Ag | Method and communication device for generating transmission signals for transmitting data |
US7110479B2 (en) | 2004-03-05 | 2006-09-19 | Vlad Mitlin | Method for determining the quality of a communication channel |
JP4458251B2 (en) * | 2004-07-13 | 2010-04-28 | 日本電気株式会社 | Mobile communication system, transmission power control method in mobile communication system, and mobile station |
KR100708123B1 (en) * | 2005-02-04 | 2007-04-16 | 삼성전자주식회사 | Method and apparatus for controlling audio volume automatically |
JP4157578B2 (en) * | 2006-11-30 | 2008-10-01 | 松下電器産業株式会社 | Extension unit system |
US20090161797A1 (en) * | 2007-06-08 | 2009-06-25 | Cowles Philip R | Satellite detection of automatic identification system signals |
US7876865B2 (en) * | 2007-06-08 | 2011-01-25 | COM DEV International Ltd | System and method for decoding automatic identification system signals |
US8045610B2 (en) * | 2007-12-21 | 2011-10-25 | Zenith Electronics Llc | MMSE-DFE equalization with antenna diversity for mobile DTV |
US8296637B1 (en) * | 2008-09-22 | 2012-10-23 | Marvell International Ltd. | Channel quality monitoring and method for qualifying a storage channel using an iterative decoder |
US8780788B2 (en) | 2009-09-25 | 2014-07-15 | Com Dev International Ltd. | Systems and methods for decoding automatic identification system signals |
US9331774B2 (en) | 2010-06-09 | 2016-05-03 | Exactearth Ltd. | Systems and methods for segmenting a satellite field of view for detecting radio frequency signals |
US9015567B2 (en) | 2012-04-12 | 2015-04-21 | Com Dev International Ltd. | Methods and systems for consistency checking and anomaly detection in automatic identification system signal data |
US8862085B2 (en) * | 2012-04-25 | 2014-10-14 | Intel Mobile Communications GmbH | Detection of binary signaling in communications radio receiver |
JP5942732B2 (en) * | 2012-09-20 | 2016-06-29 | アイコム株式会社 | COMMUNICATION DEVICE AND COMMUNICATION METHOD |
BR112017006494B1 (en) * | 2014-09-29 | 2023-09-26 | Hughes Network Systems, Llc | COMMUNICATION PORT TERMINAL METHOD AND APPARATUS FOR INTERNAL COMMUNICATION PORT INTERFERENCE MANAGEMENT AND ADMISSION CONTROL |
US10219229B1 (en) | 2017-08-15 | 2019-02-26 | Neuropace, Inc. | Transmit power level determination for communication between an external transceiver and an implantable transceiver |
CN108521288A (en) * | 2018-04-08 | 2018-09-11 | 重庆物奇科技有限公司 | The adaptive approach in control hazard domain in power line carrier communication |
CN113825221B (en) * | 2021-08-19 | 2023-11-17 | 昆明闻讯实业有限公司 | Power control method and device |
CN114866128B (en) * | 2022-04-07 | 2023-09-05 | 中国人民解放军战略支援部队信息工程大学 | Satellite communication critical interference power threshold estimation method and system based on spread spectrum signal |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4742561A (en) * | 1985-09-10 | 1988-05-03 | Home Box Office, Inc. | Apparatus for generating signals useful for testing the sensitivity of microwave receiving equipment |
US4742533A (en) | 1987-01-02 | 1988-05-03 | Motorola, Inc. | Soft decision digital communication apparatus |
JPH05505284A (en) * | 1989-12-07 | 1993-08-05 | オーストラリア連邦 | error rate monitor |
US5193094A (en) | 1990-03-07 | 1993-03-09 | Qualcomm Incorporated | Method and apparatus for generating super-orthogonal convolutional codes and the decoding thereof |
US5878329A (en) * | 1990-03-19 | 1999-03-02 | Celsat America, Inc. | Power control of an integrated cellular communications system |
SE467332B (en) | 1990-06-21 | 1992-06-29 | Ericsson Telefon Ab L M | PROCEDURE FOR POWER CONTROL IN A DIGITAL MOBILE PHONE SYSTEM |
WO1994018756A1 (en) | 1993-02-11 | 1994-08-18 | Motorola, Inc. | Method and apparatus for controlling a power level of a subscriber unit of a wireless communication system |
US5414730A (en) | 1993-12-21 | 1995-05-09 | Unisys Corporation | Asynchronous samples data demodulation system |
US5751739A (en) | 1994-04-29 | 1998-05-12 | Lucent Technologies, Inc. | Methods of and devices for enhancing communications that use spread spectrum technology |
ZA955600B (en) * | 1994-07-13 | 1996-04-02 | Qualcomm Inc | System and method for simulating interference received by subscriber units in a spread spectrum communication network |
ZA955605B (en) * | 1994-07-13 | 1996-04-10 | Qualcomm Inc | System and method for simulating user interference received by subscriber units in a spread spectrum communication network |
US5710981A (en) * | 1995-05-23 | 1998-01-20 | Ericsson Inc. | Portable radio power control device and method using incrementally degraded received signals |
JPH1065609A (en) * | 1996-08-23 | 1998-03-06 | Sony Corp | Communication method, base station and terminal equipment |
JP2923867B2 (en) * | 1996-10-28 | 1999-07-26 | 日本電気株式会社 | Transmission power control method |
US6101179A (en) * | 1997-09-19 | 2000-08-08 | Qualcomm Incorporated | Accurate open loop power control in a code division multiple access communication system |
US5946346A (en) * | 1997-10-07 | 1999-08-31 | Motorola, Inc. | Method and system for generating a power control command in a wireless communication system |
US6144861A (en) * | 1998-04-07 | 2000-11-07 | Telefonaktiebolaget Lm Ericsson | Downlink power control in a cellular mobile radio communications system |
US6137994A (en) * | 1998-05-29 | 2000-10-24 | Motorola, Inc. | Radio communication system and method for setting an output power of a base site therein |
-
1999
- 1999-07-22 US US09/358,997 patent/US6298242B1/en not_active Expired - Lifetime
-
2000
- 2000-07-14 EP EP00947435A patent/EP1201044B1/en not_active Expired - Lifetime
- 2000-07-14 CN CNB008132151A patent/CN1165119C/en not_active Expired - Fee Related
- 2000-07-14 CA CA002380264A patent/CA2380264C/en not_active Expired - Fee Related
- 2000-07-14 KR KR1020027000948A patent/KR100648867B1/en not_active IP Right Cessation
- 2000-07-14 DE DE60037196T patent/DE60037196T2/en not_active Expired - Lifetime
- 2000-07-14 AU AU61045/00A patent/AU6104500A/en not_active Abandoned
- 2000-07-14 WO PCT/US2000/019415 patent/WO2001008323A1/en active IP Right Grant
- 2000-07-14 JP JP2001512719A patent/JP4574923B2/en not_active Expired - Fee Related
- 2000-07-14 EP EP07118592A patent/EP1898534A1/en not_active Withdrawn
- 2000-07-17 TW TW089114259A patent/TW477125B/en active
-
2002
- 2002-12-30 HK HK02109398.7A patent/HK1047828B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2003505972A (en) | 2003-02-12 |
TW477125B (en) | 2002-02-21 |
US6298242B1 (en) | 2001-10-02 |
CA2380264C (en) | 2008-11-25 |
CN1376341A (en) | 2002-10-23 |
KR100648867B1 (en) | 2006-11-24 |
EP1898534A1 (en) | 2008-03-12 |
DE60037196T2 (en) | 2008-10-02 |
WO2001008323A1 (en) | 2001-02-01 |
HK1047828A1 (en) | 2003-03-07 |
EP1201044B1 (en) | 2007-11-21 |
AU6104500A (en) | 2001-02-13 |
HK1047828B (en) | 2005-04-22 |
CN1165119C (en) | 2004-09-01 |
DE60037196D1 (en) | 2008-01-03 |
EP1201044A1 (en) | 2002-05-02 |
KR20020012636A (en) | 2002-02-16 |
JP4574923B2 (en) | 2010-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |