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DE602005005050D1 - Sir-schätzung in einem drahtlosen empfanger - Google Patents

Sir-schätzung in einem drahtlosen empfanger

Info

Publication number
DE602005005050D1
DE602005005050D1 DE602005005050T DE602005005050T DE602005005050D1 DE 602005005050 D1 DE602005005050 D1 DE 602005005050D1 DE 602005005050 T DE602005005050 T DE 602005005050T DE 602005005050 T DE602005005050 T DE 602005005050T DE 602005005050 D1 DE602005005050 D1 DE 602005005050D1
Authority
DE
Germany
Prior art keywords
sir
initial
wireless receiver
bias
average
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.)
Expired - Lifetime
Application number
DE602005005050T
Other languages
English (en)
Other versions
DE602005005050T2 (de
Inventor
Gregory E Bottomley
Carmela Cozzo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602005005050D1 publication Critical patent/DE602005005050D1/de
Application granted granted Critical
Publication of DE602005005050T2 publication Critical patent/DE602005005050T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE602005005050T 2004-06-16 2005-06-02 SIR-Schätzung in einem drahtlosen Empfänger Expired - Lifetime DE602005005050T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/869,456 US8599972B2 (en) 2004-06-16 2004-06-16 SIR estimation in a wireless receiver
US869456 2004-06-16
PCT/EP2005/005927 WO2005125066A1 (en) 2004-06-16 2005-06-02 Sir estimation in a wireless receiver

Publications (2)

Publication Number Publication Date
DE602005005050D1 true DE602005005050D1 (de) 2008-04-10
DE602005005050T2 DE602005005050T2 (de) 2009-03-26

Family

ID=34955983

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005005050T Expired - Lifetime DE602005005050T2 (de) 2004-06-16 2005-06-02 SIR-Schätzung in einem drahtlosen Empfänger

Country Status (8)

Country Link
US (1) US8599972B2 (de)
EP (1) EP1756984B1 (de)
JP (1) JP4782781B2 (de)
CN (1) CN101002409B (de)
AT (1) ATE387764T1 (de)
DE (1) DE602005005050T2 (de)
ES (1) ES2299038T3 (de)
WO (1) WO2005125066A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7643549B2 (en) * 2004-09-28 2010-01-05 Broadcom Corporation Wireless device having a hardware accelerator to support equalization processing
SG124304A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia Method and system for adaptive channel estimation in pilot symbol assisted modulation systems
JP4364274B2 (ja) * 2005-02-18 2009-11-11 富士通株式会社 干渉低減受信装置
FI20055368A0 (fi) * 2005-06-30 2005-06-30 Nokia Corp Vastaanotin ja menetelmä vastaanotetun datan käsittelemiseksi
TWI279112B (en) * 2005-10-27 2007-04-11 Silicon Integrated Sys Corp A diversity receiver
JP4774306B2 (ja) * 2006-02-02 2011-09-14 富士通株式会社 干渉低減受信装置及びその方法
US7613258B2 (en) * 2006-02-28 2009-11-03 O2Micro International Ltd. Apparatus and method for determining GPS tracking loop parameter based on SNR estimation
GB0606532D0 (en) * 2006-03-31 2006-05-10 Matsushita Electric Industrial Co Ltd Signal-To-Noise Ratio Estimation For Digital Signal Decoding
JP5024288B2 (ja) * 2006-04-27 2012-09-12 日本電気株式会社 移動通信装置及び受信品質情報作成方法
US9509366B2 (en) 2007-04-04 2016-11-29 Via Technologies, Inc. Interference estimation circuit and method
US20090122928A1 (en) * 2007-11-13 2009-05-14 Horizon Semiconductors Ltd. Apparatus and method for frequency estimation in the presence of narrowband gaussian noise
FI20085457A0 (fi) * 2008-05-15 2008-05-15 Nokia Corp Laite, menetelmä ja tietokoneohjelma demodulaatiota varten
US7733975B1 (en) * 2008-12-31 2010-06-08 Mediatek Inc. Method for estimating phase error in MIMO OFDM communications system
US8724741B2 (en) * 2009-10-02 2014-05-13 Telefonaktiebolaget L M Ericsson (Publ) Signal quality estimation from coupling matrix
US8862175B2 (en) 2009-12-29 2014-10-14 Telefonaktiebolaget L M Ericsson (Publ) Correction of estimated SIR used for transmit power control
JP5682226B2 (ja) * 2010-10-25 2015-03-11 ソニー株式会社 受信装置及び方法、復調装置及び方法、並びにプログラム
TW201238260A (en) * 2011-01-05 2012-09-16 Nec Casio Mobile Comm Ltd Receiver, reception method, and computer program
CN103299564A (zh) * 2011-01-05 2013-09-11 Nec卡西欧移动通信株式会社 移动通信装置及信道质量指标估计方法
EP2719089B1 (de) 2011-06-10 2016-10-12 Telefonaktiebolaget LM Ericsson (publ) Signalentzerrung mit kompensation für die korrelation von verschlüsselungscodes
US8787427B2 (en) * 2012-05-10 2014-07-22 Telefonaktiebolaget L M Ericsson (Publ) Chip-level processing for joint demodulation in CDMA receivers
WO2014006961A1 (ja) * 2012-07-06 2014-01-09 日本電気株式会社 フェージングドップラ周波数推定装置およびフェージングドップラ周波数推定方法
JP6070417B2 (ja) * 2013-05-29 2017-02-01 富士通株式会社 無線通信装置、重み係数演算方法、および重み係数演算プログラム
EP2814197B1 (de) * 2013-06-13 2017-10-18 Airbus Defence and Space GmbH Verfahren zur Schätzung des Verhältnisses Trägersignal zu Rauschsignal in einem GNSS Empfänger
US9629003B2 (en) * 2013-10-07 2017-04-18 Samsung Electronics Co., Ltd. Computing system with factor estimation mechanism and method of operation thereof
US9706421B2 (en) * 2013-12-06 2017-07-11 Qualcomm Incorporated Apparatus and method for sire bias compensation
RU2598693C1 (ru) * 2015-03-25 2016-09-27 ООО "Топкон Позишионинг Системс" Способ и устройство для оценки текущего отношения сигнал-шум
KR102122118B1 (ko) * 2018-06-05 2020-06-26 전북대학교산학협력단 유전자 시퀀스 내의 염기의 비율에 대한 통계적 근거에 기반한 디지털 통신 방법
WO2020168268A1 (en) * 2019-02-14 2020-08-20 Apple Inc. Methods for snr, es and noc setup for nr performance requirements

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6137788A (en) * 1995-06-13 2000-10-24 Ntt Mobile Communications Network, Inc. CDMA demodulating apparatus
JP3013763B2 (ja) * 1995-08-25 2000-02-28 日本電気株式会社 キャリア同期ユニット
EP0833472B1 (de) * 1996-04-12 2006-09-20 NTT DoCoMo, Inc. Verfahren und instrument zur messung des signal-interferenz-verhältnisses und sendeleistungsregler
US6002715A (en) * 1996-07-11 1999-12-14 Motorola, Inc. Method for a receiver unit to determine a quality value for a received signal
JPH10190497A (ja) * 1996-12-27 1998-07-21 Fujitsu Ltd Ｓｉｒ測定装置
EP0856955A3 (de) * 1997-01-29 2000-09-06 YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd. Leistungsregelung in einem CDMA System
US6108374A (en) * 1997-08-25 2000-08-22 Lucent Technologies, Inc. System and method for measuring channel quality information
US6292519B1 (en) * 1998-03-11 2001-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Correction of signal-to-interference ratio measurements
US6144861A (en) * 1998-04-07 2000-11-07 Telefonaktiebolaget Lm Ericsson Downlink power control in a cellular mobile radio communications system
US6157820A (en) * 1998-06-12 2000-12-05 Ericsson Inc. Pilot strength measurement and multipath delay searcher for CDMA receiver
JP3589889B2 (ja) * 1999-02-26 2004-11-17 三菱電機株式会社 検波信号の希望波電力対干渉波電力比測定装置およびその方法
FI991448L (fi) 1999-06-24 2000-12-25 Nokia Networks Oy Lähetystehon säätömenetelmä
JP2001016166A (ja) 1999-07-01 2001-01-19 Matsushita Electric Ind Co Ltd 送信電力制御方法および送受信装置
US6426971B1 (en) * 1999-09-13 2002-07-30 Qualcomm Incorporated System and method for accurately predicting signal to interference and noise ratio to improve communications system performance
JP3545663B2 (ja) 2000-01-14 2004-07-21 松下電器産業株式会社 Ｓｉｒ測定装置及びｓｉｒ測定方法
FI20000158A0 (fi) 2000-01-27 2000-01-27 Nokia Networks Oy Menetelmä ja vastaanotin kommunikaatiojärjestelmässä
US6259752B1 (en) * 2000-02-01 2001-07-10 Conexant Systems, Inc. System for cancelling internal interference in a receiver
US6885694B1 (en) 2000-02-29 2005-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Correction of received signal and interference estimates
KR20090071626A (ko) 2000-07-26 2009-07-01 인터디지탈 테크날러지 코포레이션 가변 다중 속도 통신 시스템용 고속 적응 전력 제어 방법 및 시스템
US6618433B1 (en) * 2000-08-04 2003-09-09 Intel Corporation Family of linear multi-user detectors (MUDs)
JP2002076989A (ja) * 2000-08-31 2002-03-15 Nippon Soken Inc スペクトラム拡散受信機
JP3479836B2 (ja) 2000-09-18 2003-12-15 日本電気株式会社 Ｃｄｍａ受信装置
JP3559237B2 (ja) 2000-11-09 2004-08-25 松下電器産業株式会社 希望波対干渉波電力比測定回路および希望波対干渉波電力比測定方法
JP2002185398A (ja) 2000-12-18 2002-06-28 Sony Corp 送信電力制御方法およびシステム
US6975672B2 (en) 2001-01-08 2005-12-13 Ericsson Inc. Apparatus and methods for intersymbol interference compensation in spread spectrum communications
US7184497B2 (en) 2001-05-04 2007-02-27 Lucent Technologies Inc. Method of estimating a signal-to-interference+noise ratio (SINR)
US7106792B2 (en) 2001-06-04 2006-09-12 Qualcomm, Inc. Method and apparatus for estimating the signal to interference-plus-noise ratio of a wireless channel
US6907093B2 (en) 2001-08-08 2005-06-14 Viasat, Inc. Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
US7330446B2 (en) 2001-09-21 2008-02-12 Industrial Technology Research Institute Closed-loop power control method for a code-division multiple-access cellular system
US6985741B2 (en) 2001-11-09 2006-01-10 Telefonaktiebolaget Lm Ericsson (Publ) Estimation of interference in a radio communication network
GB2382748A (en) 2001-11-28 2003-06-04 Ipwireless Inc Signal to noise plus interference ratio (SNIR) estimation with corection factor
US20030114179A1 (en) 2001-12-17 2003-06-19 D.S.P.C. Technologies Ltd. Method and apparatus for generating a quality measure target value based on channel conditions
US6996164B1 (en) 2002-01-15 2006-02-07 Viasat, Inc. Self-interference removal using converter compensation in a relayed communication system
GB2384665B (en) 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
EP1341335B1 (de) 2002-02-28 2015-09-23 Intel Corporation Kanalüberwachung zur verbesserten Parameterauswahl in einem Kommunikationssystem
US6760370B2 (en) * 2002-04-03 2004-07-06 Interdigital Technology Corporation Low bias method for estimating small signal-to-noise ratio
JP3559030B2 (ja) * 2002-10-16 2004-08-25 松下電器産業株式会社 無線受信装置及びｓｉｒ算出方法

Also Published As

Publication number Publication date
EP1756984A1 (de) 2007-02-28
US8599972B2 (en) 2013-12-03
EP1756984B1 (de) 2008-02-27
JP4782781B2 (ja) 2011-09-28
ATE387764T1 (de) 2008-03-15
DE602005005050T2 (de) 2009-03-26
ES2299038T3 (es) 2008-05-16
CN101002409A (zh) 2007-07-18
CN101002409B (zh) 2012-08-15
JP2008503122A (ja) 2008-01-31
US20050281358A1 (en) 2005-12-22
WO2005125066A1 (en) 2005-12-29

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Legal Events

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8364 No opposition during term of opposition