CN100521664C - 用于噪声白化滤波的方法和设备 - Google Patents

用于噪声白化滤波的方法和设备 Download PDF

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Publication number
CN100521664C
CN100521664C CNB2004800303761A CN200480030376A CN100521664C CN 100521664 C CN100521664 C CN 100521664C CN B2004800303761 A CNB2004800303761 A CN B2004800303761A CN 200480030376 A CN200480030376 A CN 200480030376A CN 100521664 C CN100521664 C CN 100521664C
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China
Prior art keywords
received signal
upgrading
relevant
noise
prewhitening filter
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Expired - Fee Related
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CNB2004800303761A
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Chinese (zh)
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CN1868185A (zh
Inventor
何首生
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Clastres LLC
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03993—Noise whitening
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CNB2004800303761A 2003-10-14 2004-10-08 用于噪声白化滤波的方法和设备 Expired - Fee Related CN100521664C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/684,598 2003-10-14
US10/684,598 US7212593B2 (en) 2003-10-14 2003-10-14 Method of and apparatus for noise whitening filtering

Publications (2)

Publication Number Publication Date
CN1868185A CN1868185A (zh) 2006-11-22
CN100521664C true CN100521664C (zh) 2009-07-29

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Family Applications (1)

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CNB2004800303761A Expired - Fee Related CN100521664C (zh) 2003-10-14 2004-10-08 用于噪声白化滤波的方法和设备

Country Status (5)

Country Link
US (1) US7212593B2 (enExample)
EP (1) EP1673911B1 (enExample)
JP (1) JP4621683B2 (enExample)
CN (1) CN100521664C (enExample)
WO (1) WO2005041510A1 (enExample)

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US7496164B1 (en) 2003-05-02 2009-02-24 At&T Mobility Ii Llc Systems and methods for interference cancellation in a radio receiver system
US7450924B1 (en) * 2004-03-25 2008-11-11 At&T Mobility Ii Llc Interference cancellation and receive diversity for single-valued modulation receivers
US20050250466A1 (en) * 2004-04-26 2005-11-10 Hellosoft Inc. Method and apparatus for improving MLSE in the presence of co-channel interferer for GSM/GPRS systems
TWI256815B (en) * 2004-07-27 2006-06-11 Mediatek Inc Frequency synchronization device and the method thereof
US20060093056A1 (en) * 2004-10-29 2006-05-04 Pekka Kaasila Signal reception in mobile communication network
WO2007000620A1 (en) * 2005-06-28 2007-01-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and device for synchronization and channel estimation in a radio receiver
US8031794B2 (en) * 2006-05-09 2011-10-04 At&T Mobility Ii Llc Systems and methods for interference cancellation in a multiple antenna radio receiver system
US7603092B2 (en) * 2006-06-19 2009-10-13 Motorola, Inc. Estimation of CINR and RSSI in a wireless communication system
US8275323B1 (en) * 2006-07-14 2012-09-25 Marvell International Ltd. Clear-channel assessment in 40 MHz wireless receivers
US8126099B2 (en) * 2007-02-09 2012-02-28 Research In Motion Limited Apparatus, and associated method, for filtering a receive signal by adaptive operation of an input noise whitening filter
EP1956718A1 (en) * 2007-02-09 2008-08-13 Research In Motion Limited Apparatus, and associated method, for filtering a receive signal by adaptive operation of an input noise whitening filter
KR101225556B1 (ko) * 2008-08-25 2013-01-23 돌비 레버러토리즈 라이쎈싱 코오포레이션 프리-화이트닝을 사용한 ｌｍｓ 알고리즘에 의해 적응된 적응형 필터의 갱신된 필터 계수를 결정하기 위한 방법
CN101478321B (zh) * 2009-01-19 2012-08-15 华为终端有限公司 提高系统性能增益的方法和装置
US8175200B2 (en) * 2009-12-18 2012-05-08 Telefonaktiebolaget L M Ericsson (Publ) Hybrid correlation and least squares channel estimation
EP2495921B1 (en) * 2011-02-28 2017-12-20 Alcatel Lucent Enhanced signal detection for distortion mitigation in optical transmission systems
WO2011100928A2 (zh) * 2011-04-14 2011-08-25 华为技术有限公司 滤波处理方法和装置
US8982849B1 (en) 2011-12-15 2015-03-17 Marvell International Ltd. Coexistence mechanism for 802.11AC compliant 80 MHz WLAN receivers
US8896949B1 (en) 2013-03-07 2014-11-25 Western Digital Technologies, Inc. Disk drive employing general noise whitening filter to reduce length of data dependent noise whitening filters
US9312968B2 (en) * 2013-06-07 2016-04-12 Samsung Electronics Co., Ltd. Computing system with power estimation mechanism and method of operation thereof
US8947812B1 (en) 2014-03-27 2015-02-03 Western Digital Technologies, Inc. Data storage device comprising equalizer filter and inter-track interference filter
WO2015165042A1 (zh) * 2014-04-29 2015-11-05 华为技术有限公司 信号接收方法及接收机
CN105763493A (zh) * 2014-12-17 2016-07-13 深圳市中兴微电子技术有限公司 一种信号干扰抑制方法和装置
US9183877B1 (en) 2015-03-20 2015-11-10 Western Digital Technologies, Inc. Data storage device comprising two-dimensional data dependent noise whitening filters for two-dimensional recording
KR102110538B1 (ko) * 2018-02-28 2020-05-13 엘지전자 주식회사 신호 처리 장치 및 이를 구비하는 영상표시장치

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WO2001061950A1 (en) * 2000-02-15 2001-08-23 Ericsson Inc Least squares channel estimation with colored noise correction
US6314147B1 (en) * 1997-11-04 2001-11-06 The Board Of Trustees Of The Leland Stanford Junior University Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks
WO2002011378A1 (fr) * 2000-07-28 2002-02-07 Nortel Networks Limited Procede de traitement d'un signal numerique en entree d'un egaliseur de canal
CN1383620A (zh) * 2000-06-09 2002-12-04 诺基亚公司 降低干扰效应的方法和接收机
CN1399835A (zh) * 1999-11-24 2003-02-26 艾利森公司 用于白化通信信号中的信号扰动的方法、接收机设备和系统

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JPH11261441A (ja) * 1998-03-12 1999-09-24 Oki Electric Ind Co Ltd 周波数制御回路
US6226321B1 (en) * 1998-05-08 2001-05-01 The United States Of America As Represented By The Secretary Of The Air Force Multichannel parametric adaptive matched filter receiver
US6185175B1 (en) * 1998-12-02 2001-02-06 Cirrus Logic, Inc. Sampled amplitude read channel employing noise whitening in a remod/demod sequence detector
US6249179B1 (en) * 1999-09-08 2001-06-19 Atmel Corporation Direct digital synthesis in a QAM demodulator
GB2355900B (en) * 1999-10-29 2004-03-17 Ericsson Telefon Ab L M Radio receiver
SE517039C2 (sv) 2000-05-31 2002-04-02 Bjoern Ottersten Anordning och metod för kanalinterferensdämpning
US6470047B1 (en) * 2001-02-20 2002-10-22 Comsys Communications Signal Processing Ltd. Apparatus for and method of reducing interference in a communications receiver
EP1255387A1 (en) 2001-05-04 2002-11-06 Siemens Information and Communication Networks S.p.A. Estimation of a plurality of channels in a diversity receiver
US7079601B2 (en) 2001-06-19 2006-07-18 Telefonaktiebolaget Lm Ericsson (Publ) Efficient channel estimation in a digital communications system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314147B1 (en) * 1997-11-04 2001-11-06 The Board Of Trustees Of The Leland Stanford Junior University Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks
CN1399835A (zh) * 1999-11-24 2003-02-26 艾利森公司 用于白化通信信号中的信号扰动的方法、接收机设备和系统
WO2001061950A1 (en) * 2000-02-15 2001-08-23 Ericsson Inc Least squares channel estimation with colored noise correction
CN1383620A (zh) * 2000-06-09 2002-12-04 诺基亚公司 降低干扰效应的方法和接收机
WO2002011378A1 (fr) * 2000-07-28 2002-02-07 Nortel Networks Limited Procede de traitement d'un signal numerique en entree d'un egaliseur de canal

Also Published As

Publication number Publication date
HK1095223A1 (zh) 2007-04-27
EP1673911B1 (en) 2013-04-17
JP2007508757A (ja) 2007-04-05
US20050079826A1 (en) 2005-04-14
WO2005041510A1 (en) 2005-05-06
US7212593B2 (en) 2007-05-01
CN1868185A (zh) 2006-11-22
EP1673911A1 (en) 2006-06-28
JP4621683B2 (ja) 2011-01-26

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