CN101573887A - 具有发送和接收分集的通信接收机中的数据均衡 - Google Patents
具有发送和接收分集的通信接收机中的数据均衡 Download PDFInfo
- Publication number
- CN101573887A CN101573887A CNA2007800482924A CN200780048292A CN101573887A CN 101573887 A CN101573887 A CN 101573887A CN A2007800482924 A CNA2007800482924 A CN A2007800482924A CN 200780048292 A CN200780048292 A CN 200780048292A CN 101573887 A CN101573887 A CN 101573887A
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- matrix
- channel
- data
- calculating
- channel gain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
-
- 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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
- H04B1/71052—Joint detection techniques, e.g. linear detectors using decorrelation matrix
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- 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
- H04L25/0244—Channel estimation channel estimation algorithms using matrix methods with inversion
-
- 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
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
-
- 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
- H04L25/0204—Channel estimation of multiple channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006907315A AU2006907315A0 (en) | 2006-12-28 | Data Equalisation In A Communication Receiver With Transmit And Receive Diversity | |
AU2006907315 | 2006-12-28 | ||
PCT/JP2007/074360 WO2008081715A1 (en) | 2006-12-28 | 2007-12-12 | Data equalisation in a communication receiver with transmit and receive diversity |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101573887A true CN101573887A (zh) | 2009-11-04 |
CN101573887B CN101573887B (zh) | 2013-12-18 |
Family
ID=39588400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780048292.4A Expired - Fee Related CN101573887B (zh) | 2006-12-28 | 2007-12-12 | 具有发送和接收分集的通信接收机中的数据均衡 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8135101B2 (zh) |
EP (1) | EP2100389B1 (zh) |
JP (2) | JP2010515287A (zh) |
CN (1) | CN101573887B (zh) |
AU (1) | AU2007249136A1 (zh) |
WO (1) | WO2008081715A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102685046A (zh) * | 2012-05-02 | 2012-09-19 | 合肥东芯通信股份有限公司 | 一种lte系统中发送分集模式下的均衡装置和方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US8929493B2 (en) | 2011-02-01 | 2015-01-06 | Blackberry Limited | Mixed rank downlink compound multi-user interference alignment scheme |
CN103703694B (zh) | 2011-02-01 | 2016-09-28 | 黑莓有限公司 | 下行链路多用户干扰对齐方案 |
EP2671332B1 (en) * | 2011-02-01 | 2019-10-23 | BlackBerry Limited | Mixed rank downlink multi-user interference alignment scheme |
US8964871B2 (en) | 2012-05-14 | 2015-02-24 | Blackberry Limited | Codebook based downlink multi-user interference alignment scheme |
CN110780849B (zh) * | 2019-10-29 | 2021-11-30 | 中昊芯英(杭州)科技有限公司 | 矩阵处理方法、装置、设备及计算机可读存储介质 |
CN111294295A (zh) * | 2020-01-15 | 2020-06-16 | 中国科学院海洋研究所 | 基于子空间的多信道fir滤波器海洋水声信道盲辨识算法 |
US11968020B2 (en) * | 2022-09-22 | 2024-04-23 | Qualcomm Incorporated | Scalable hermitian matrix inversion |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003047032A1 (en) * | 2001-11-29 | 2003-06-05 | Interdigital Technology Corporation | Efficient multiple input multiple output system for multi-path fading channels |
CN1717877A (zh) * | 2002-11-27 | 2006-01-04 | 皇家飞利浦电子股份有限公司 | 无线电接收机的低复杂度均衡器 |
WO2006016722A1 (en) * | 2004-08-12 | 2006-02-16 | Nec Corporation | Method for calculating filter coefficients for an equaliser in a communication receiver using hermitian optimisation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19616829C1 (de) * | 1996-04-26 | 1997-04-24 | Siemens Ag | System zur Funkübertragung digitaler Signale zwischen mehreren Teilnehmerstationen und einer Basisstation |
US6707864B2 (en) * | 2001-01-25 | 2004-03-16 | Interdigital Technology Corporation | Simplified block linear equalizer with block space time transmit diversity |
US7181167B2 (en) * | 2001-11-21 | 2007-02-20 | Texas Instruments Incorporated | High data rate closed loop MIMO scheme combining transmit diversity and data multiplexing |
MXPA05007461A (es) * | 2003-01-10 | 2005-09-12 | Interdigital Tech Corp | Estimacion generalizada de datos en dos etapas. |
US7577187B2 (en) | 2004-07-20 | 2009-08-18 | Nec Corporation | Method of noise factor computation for chip equalizer in spread spectrum receiver |
AU2005203016A1 (en) * | 2004-07-20 | 2006-02-09 | Nec Australia Pty Ltd | Method of noise factor computation for a chip equaliser in a spread spectrum receiver |
US7492815B2 (en) * | 2004-11-24 | 2009-02-17 | Nokia Corporation | Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture |
JP4666150B2 (ja) * | 2005-05-31 | 2011-04-06 | 日本電気株式会社 | Mimo受信装置、受信方法、および無線通信システム |
CN101411088B (zh) * | 2006-03-31 | 2012-12-05 | 日本电气株式会社 | 接收机 |
JP4561916B2 (ja) * | 2008-10-31 | 2010-10-13 | ソニー株式会社 | 無線通信装置及び無線通信方法、信号処理装置及び信号処理方法、並びにコンピューター・プログラム |
-
2007
- 2007-12-12 WO PCT/JP2007/074360 patent/WO2008081715A1/en active Application Filing
- 2007-12-12 US US12/520,996 patent/US8135101B2/en not_active Expired - Fee Related
- 2007-12-12 JP JP2009526830A patent/JP2010515287A/ja active Pending
- 2007-12-12 CN CN200780048292.4A patent/CN101573887B/zh not_active Expired - Fee Related
- 2007-12-12 EP EP07859849.7A patent/EP2100389B1/en not_active Not-in-force
- 2007-12-19 AU AU2007249136A patent/AU2007249136A1/en not_active Abandoned
-
2013
- 2013-06-13 JP JP2013124728A patent/JP5985440B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003047032A1 (en) * | 2001-11-29 | 2003-06-05 | Interdigital Technology Corporation | Efficient multiple input multiple output system for multi-path fading channels |
CN1717877A (zh) * | 2002-11-27 | 2006-01-04 | 皇家飞利浦电子股份有限公司 | 无线电接收机的低复杂度均衡器 |
WO2006016722A1 (en) * | 2004-08-12 | 2006-02-16 | Nec Corporation | Method for calculating filter coefficients for an equaliser in a communication receiver using hermitian optimisation |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102685046A (zh) * | 2012-05-02 | 2012-09-19 | 合肥东芯通信股份有限公司 | 一种lte系统中发送分集模式下的均衡装置和方法 |
CN102685046B (zh) * | 2012-05-02 | 2015-02-11 | 合肥东芯通信股份有限公司 | 一种lte系统中发送分集模式下的均衡装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5985440B2 (ja) | 2016-09-06 |
EP2100389A1 (en) | 2009-09-16 |
WO2008081715A1 (en) | 2008-07-10 |
CN101573887B (zh) | 2013-12-18 |
US20090323774A1 (en) | 2009-12-31 |
AU2007249136A1 (en) | 2008-07-17 |
JP2013232930A (ja) | 2013-11-14 |
EP2100389B1 (en) | 2015-09-16 |
EP2100389A4 (en) | 2014-04-09 |
JP2010515287A (ja) | 2010-05-06 |
US8135101B2 (en) | 2012-03-13 |
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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: 20141202 |
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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: 20141202 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 |
Granted publication date: 20131218 Termination date: 20171212 |
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CF01 | Termination of patent right due to non-payment of annual fee |