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 PDFInfo
- 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
- prewhitening filter
- noise
- relevant
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002087 whitening effect Effects 0.000 title claims abstract description 14
- 238000001914 filtration Methods 0.000 title claims description 13
- 238000010606 normalization Methods 0.000 claims description 32
- 230000002596 correlated effect Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 230000005764 inhibitory process Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 8
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- 238000010079 rubber tapping Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
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Images
Classifications
-
- 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
Landscapes
- 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)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/684,598 US7212593B2 (en) | 2003-10-14 | 2003-10-14 | Method of and apparatus for noise whitening filtering |
US10/684,598 | 2003-10-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1868185A CN1868185A (zh) | 2006-11-22 |
CN100521664C true CN100521664C (zh) | 2009-07-29 |
Family
ID=34422981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 (6)
Country | Link |
---|---|
US (1) | US7212593B2 (zh) |
EP (1) | EP1673911B1 (zh) |
JP (1) | JP4621683B2 (zh) |
CN (1) | CN100521664C (zh) |
HK (1) | HK1095223A1 (zh) |
WO (1) | WO2005041510A1 (zh) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
JP5284475B2 (ja) * | 2008-08-25 | 2013-09-11 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 前白色化を伴うlmsアルゴリズムによって適応させられる適応フィルタの更新済みフィルタ係数を決定する方法 |
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 |
CN102171947B (zh) * | 2011-04-14 | 2013-08-28 | 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 |
Family Cites Families (13)
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 |
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 |
US6590932B1 (en) | 1999-11-24 | 2003-07-08 | Ericsson Inc. | Methods, receiver devices and systems for whitening a signal disturbance in a communication signal |
US6674820B1 (en) | 2000-02-15 | 2004-01-06 | Ericsson Inc. | Receiver devices, systems and methods for receiving communication signals subject to colored noise |
SE517039C2 (sv) | 2000-05-31 | 2002-04-02 | Bjoern Ottersten | Anordning och metod för kanalinterferensdämpning |
FR2812480B1 (fr) | 2000-07-28 | 2003-01-17 | Nortel Matra Cellular | Procede de traitement d'un signal numerique en entree d'un egaliseur de canal |
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 |
-
2003
- 2003-10-14 US US10/684,598 patent/US7212593B2/en not_active Expired - Fee Related
-
2004
- 2004-10-08 JP JP2006534654A patent/JP4621683B2/ja not_active Expired - Fee Related
- 2004-10-08 CN CNB2004800303761A patent/CN100521664C/zh not_active Expired - Fee Related
- 2004-10-08 EP EP04765896.8A patent/EP1673911B1/en not_active Not-in-force
- 2004-10-08 WO PCT/EP2004/011274 patent/WO2005041510A1/en active Application Filing
-
2007
- 2007-01-11 HK HK07100387.4A patent/HK1095223A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2005041510A1 (en) | 2005-05-06 |
JP2007508757A (ja) | 2007-04-05 |
HK1095223A1 (en) | 2007-04-27 |
CN1868185A (zh) | 2006-11-22 |
JP4621683B2 (ja) | 2011-01-26 |
EP1673911A1 (en) | 2006-06-28 |
US20050079826A1 (en) | 2005-04-14 |
US7212593B2 (en) | 2007-05-01 |
EP1673911B1 (en) | 2013-04-17 |
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