CN1977504B - 为通信接收机中的均衡器计算滤波系数的方法和均衡器 - Google Patents
为通信接收机中的均衡器计算滤波系数的方法和均衡器 Download PDFInfo
- Publication number
- CN1977504B CN1977504B CN2005800213543A CN200580021354A CN1977504B CN 1977504 B CN1977504 B CN 1977504B CN 2005800213543 A CN2005800213543 A CN 2005800213543A CN 200580021354 A CN200580021354 A CN 200580021354A CN 1977504 B CN1977504 B CN 1977504B
- Authority
- CN
- China
- Prior art keywords
- matrix
- channel response
- equalizer
- response matrix
- substitution
- 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 - Fee Related
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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
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
-
- 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
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03477—Tapped delay lines not time-recursive
-
- 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
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03605—Block algorithms
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Dc Digital Transmission (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004904575 | 2004-08-12 | ||
AU2004904575A AU2004904575A0 (en) | 2004-08-12 | Method for calculating filter coefficients for an equaliser in a communication receiver | |
AU2005203278A AU2005203278A1 (en) | 2004-08-12 | 2005-07-26 | Method for calculating filter coefficients for an equaliser in a communication receiver |
AU2005203278 | 2005-07-26 | ||
PCT/JP2005/015100 WO2006016722A1 (en) | 2004-08-12 | 2005-08-12 | Method for calculating filter coefficients for an equaliser in a communication receiver using hermitian optimisation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1977504A CN1977504A (zh) | 2007-06-06 |
CN1977504B true CN1977504B (zh) | 2011-12-14 |
Family
ID=35149657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800213543A Expired - Fee Related CN1977504B (zh) | 2004-08-12 | 2005-08-12 | 为通信接收机中的均衡器计算滤波系数的方法和均衡器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7787535B2 (zh) |
EP (1) | EP1776814B1 (zh) |
JP (1) | JP4682983B2 (zh) |
CN (1) | CN1977504B (zh) |
AU (1) | AU2005203278A1 (zh) |
DE (1) | DE602005017154D1 (zh) |
WO (1) | WO2006016722A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2005244521A1 (en) | 2004-12-20 | 2006-07-06 | Nec Australia Pty Ltd | Computing filter coefficients for an equaliser in a communication receiver |
EP2007028B1 (en) * | 2006-03-31 | 2015-07-01 | NEC Corporation | Receiver |
FI20065276A0 (fi) * | 2006-04-28 | 2006-04-28 | Nokia Corp | Signaalin käsittelymenetelmä, vastaanotin ja tasoitusmenetelmä vastaanottimessa |
CN1913390B (zh) * | 2006-08-23 | 2011-04-06 | 普天信息技术研究院 | 一种基于Cholesky分解实现干扰消除的方法 |
WO2008081715A1 (en) * | 2006-12-28 | 2008-07-10 | Nec Corporation | Data equalisation in a communication receiver with transmit and receive diversity |
CN101573888A (zh) * | 2006-12-28 | 2009-11-04 | 日本电气株式会社 | 具有接收分集的通信接收机中的数据均衡 |
GB2598996A (en) * | 2020-04-09 | 2022-03-23 | Nvidia Corp | Fifth Generation (5G) New Radio Channel Equalization |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0775405A1 (en) * | 1994-08-02 | 1997-05-28 | Ericsson Inc. | Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
WO2001071996A2 (en) * | 2000-03-20 | 2001-09-27 | Massachusetts Institute Of Technology | Block-iterative decision feedback equalizer with error-conrol coding |
CN1373567A (zh) * | 2001-02-28 | 2002-10-09 | 上海奇普科技有限公司 | 一种用于时域信号处理的均衡器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3974449A (en) | 1975-03-21 | 1976-08-10 | Bell Telephone Laboratories, Incorporated | Joint decision feedback equalization and carrier recovery adaptation in data transmission systems |
EP0426026B1 (en) | 1989-10-31 | 1996-08-28 | Mitsubishi Denki Kabushiki Kaisha | Equalizer |
US5283811A (en) | 1991-09-03 | 1994-02-01 | General Electric Company | Decision feedback equalization for digital cellular radio |
FR2693062B1 (fr) | 1992-06-26 | 1994-09-23 | France Telecom | Procédé et dispositif égaliseur à retour de décisions pour la transmission par blocs de symboles d'information. |
US6081566A (en) * | 1994-08-02 | 2000-06-27 | Ericsson, Inc. | Method and apparatus for interference rejection with different beams, polarizations, and phase references |
US5790598A (en) | 1996-03-01 | 1998-08-04 | Her Majesty The Queen In Right Of Canada | Block decision feedback equalizer |
US6151358A (en) * | 1999-08-11 | 2000-11-21 | Motorola, Inc. | Method and apparatus, and computer program for producing filter coefficients for equalizers |
JP2003122736A (ja) * | 2001-10-11 | 2003-04-25 | Matsushita Electric Ind Co Ltd | 行列演算装置 |
KR100983297B1 (ko) * | 2003-01-10 | 2010-09-24 | 인터디지탈 테크날러지 코포레이션 | 일반화 2단 데이터 추정 |
US7616955B2 (en) * | 2004-11-12 | 2009-11-10 | Broadcom Corporation | Method and system for bits and coding assignment utilizing Eigen beamforming with fixed rates for closed loop WLAN |
-
2005
- 2005-07-26 AU AU2005203278A patent/AU2005203278A1/en not_active Abandoned
- 2005-08-12 US US11/632,562 patent/US7787535B2/en not_active Expired - Fee Related
- 2005-08-12 CN CN2005800213543A patent/CN1977504B/zh not_active Expired - Fee Related
- 2005-08-12 WO PCT/JP2005/015100 patent/WO2006016722A1/en active Application Filing
- 2005-08-12 DE DE602005017154T patent/DE602005017154D1/de active Active
- 2005-08-12 EP EP05780399A patent/EP1776814B1/en not_active Expired - Fee Related
- 2005-08-12 JP JP2006535889A patent/JP4682983B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0775405A1 (en) * | 1994-08-02 | 1997-05-28 | Ericsson Inc. | Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
WO2001071996A2 (en) * | 2000-03-20 | 2001-09-27 | Massachusetts Institute Of Technology | Block-iterative decision feedback equalizer with error-conrol coding |
CN1373567A (zh) * | 2001-02-28 | 2002-10-09 | 上海奇普科技有限公司 | 一种用于时域信号处理的均衡器 |
Non-Patent Citations (1)
Title |
---|
H.R.Karimi N.W.Anderson.A Novel and Efficient Solution to Block-Based Joint-DetectionUsing Approximate Cholesky Factorization.Personal,Indoor and Mobile Radio Communications3.1998,31340-1345. * |
Also Published As
Publication number | Publication date |
---|---|
US20090185611A1 (en) | 2009-07-23 |
JP4682983B2 (ja) | 2011-05-11 |
EP1776814B1 (en) | 2009-10-14 |
DE602005017154D1 (de) | 2009-11-26 |
CN1977504A (zh) | 2007-06-06 |
EP1776814A1 (en) | 2007-04-25 |
JP2008510323A (ja) | 2008-04-03 |
US7787535B2 (en) | 2010-08-31 |
AU2005203278A1 (en) | 2006-03-02 |
WO2006016722A1 (en) | 2006-02-16 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141210 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA |
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TR01 | Transfer of patent right |
Effective date of registration: 20141210 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20170812 |