ATE387764T1 - Sir-schätzung in einem drahtlosen empfanger - Google Patents

Sir-schätzung in einem drahtlosen empfanger

Info

Publication number
ATE387764T1
ATE387764T1 AT05750275T AT05750275T ATE387764T1 AT E387764 T1 ATE387764 T1 AT E387764T1 AT 05750275 T AT05750275 T AT 05750275T AT 05750275 T AT05750275 T AT 05750275T AT E387764 T1 ATE387764 T1 AT E387764T1
Authority
AT
Austria
Prior art keywords
sir
initial
wireless receiver
bias
average
Prior art date
Application number
AT05750275T
Other languages
English (en)
Inventor
Gregory Bottomley
Carmela Cozzo
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE387764T1 publication Critical patent/ATE387764T1/de

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)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Noise Elimination (AREA)
AT05750275T 2004-06-16 2005-06-02 Sir-schätzung in einem drahtlosen empfanger ATE387764T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/869,456 US8599972B2 (en) 2004-06-16 2004-06-16 SIR estimation in a wireless receiver

Publications (1)

Publication Number Publication Date
ATE387764T1 true ATE387764T1 (de) 2008-03-15

Family

ID=34955983

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05750275T ATE387764T1 (de) 2004-06-16 2005-06-02 Sir-schätzung in einem drahtlosen empfanger

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
WO2006087808A1 (ja) * 2005-02-18 2006-08-24 Fujitsu Limited 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 Ind Co Ltd Signal-To-Noise Ratio Estimation For Digital Signal Decoding
US7983184B2 (en) * 2006-04-27 2011-07-19 Nec Corporation Mobile communication device and reception quality information creation method
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
EP2662998A1 (de) * 2011-01-05 2013-11-13 NEC CASIO Mobile Communications, Ltd. Mobilkommunikationsvorrichtung und kanalqualitätsindex-inferenzverfahren
TW201238260A (en) * 2011-01-05 2012-09-16 Nec Casio Mobile Comm Ltd Receiver, reception method, and computer program
US9054903B2 (en) 2011-06-10 2015-06-09 Telefonaktiebolaget L M Ericsson (Publ) Signal equalization with compensation for scrambling code correlation
US8787427B2 (en) * 2012-05-10 2014-07-22 Telefonaktiebolaget L M Ericsson (Publ) Chip-level processing for joint demodulation in CDMA receivers
CN104412115B (zh) * 2012-07-06 2016-11-02 日本电气株式会社 衰落多普勒频率估计装置和衰落多普勒频率估计方法
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
DE69633219T2 (de) 1995-06-13 2005-08-25 Ntt Docomo, Inc. Cdma-demodulator
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
FI991448A (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
KR101325382B1 (ko) 2000-07-26 2013-11-08 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
JP4782781B2 (ja) 2011-09-28
EP1756984A1 (de) 2007-02-28
US20050281358A1 (en) 2005-12-22
WO2005125066A1 (en) 2005-12-29
CN101002409A (zh) 2007-07-18
JP2008503122A (ja) 2008-01-31
US8599972B2 (en) 2013-12-03
DE602005005050D1 (de) 2008-04-10
DE602005005050T2 (de) 2009-03-26
CN101002409B (zh) 2012-08-15
EP1756984B1 (de) 2008-02-27
ES2299038T3 (es) 2008-05-16

Similar Documents

Publication Publication Date Title
ATE387764T1 (de) Sir-schätzung in einem drahtlosen empfanger
DE602007012657D1 (de) Erkennung drahtloser geräte in einem drahtlosen peer-to-peer-netzwerk
WO2008022076A3 (en) Embedded wireless location validation benchmarking systems and methods
MX2010005777A (es) Administracion de interferencia en un sistema de comunicacion inalambrica utilizando ajuste de perdida de trayectoria adaptable.
WO2005055494A3 (en) Method and apparatus for calculating a position estimate of a mobile station using network information
WO2006099001A3 (en) Apparatus and methods for determining connection quality of a wireless device on a wireless communications network
WO2008083984A8 (en) A navigation device and method for improving a time to identify a location of the navigation device
IL186968A0 (en) Apparatus and methods for associating a geographical position with an event occuring on a wireless device
WO2007027442A3 (en) System and method to dynamically adapt a cca threshold
NZ580499A (en) Method for comparing a wireless device location obtained from a wireless network with the wireless device user location obtained from another network
WO2006100653A3 (en) Wireless local area network scan based on location
WO2006102506A3 (en) Methods and apparatus for monitoring configurable performance levels in a wireless device
DE60317900D1 (de) Verfahren und vorrichtung zur kommunikation
EP2060031A4 (de) Verfahren zum übergang zwischen verschiedenen empfangspegeln
GB2454858A (en) User plane uplink time difference of arrival (U-TDOA)
TW200501785A (en) Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system
WO2007050855A3 (en) A method and apparatus for processing procedures in selected interlace states in an open state in wireless communication system
ATE518343T1 (de) Schnittstellenvorrichtung und -verfahren für hohe datenraten
TW200715884A (en) System and method for accelerating network selection by a wireless user equipment (UE) device using satellite-based positioning system
DE60225946D1 (de) Drahtlose kommunikationsvorrichtung und verfahren zur kommunikation im standortwahldiversitätsmodus
SG160379A1 (en) An efficient method to compute one shot frequency estimate
ATE498256T1 (de) Vorrichtung und verfahren in einem zellularen netzwerk
WO2005070187A3 (en) Downlink power control in wireless communications networks and methods
WO2009047910A1 (ja) 無線通信移動局装置および通信品質情報生成方法
GB0317866D0 (en) Communication apparatus,communication method,communication program,and recording medium

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties