WO2009016741A1 - Mimo復号方法及びmimo復号装置並びにmimo受信機 - Google Patents
Mimo復号方法及びmimo復号装置並びにmimo受信機 Download PDFInfo
- Publication number
- WO2009016741A1 WO2009016741A1 PCT/JP2007/065001 JP2007065001W WO2009016741A1 WO 2009016741 A1 WO2009016741 A1 WO 2009016741A1 JP 2007065001 W JP2007065001 W JP 2007065001W WO 2009016741 A1 WO2009016741 A1 WO 2009016741A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mimo
- matrix
- decoding method
- triangular matrix
- well
- Prior art date
Links
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
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04B7/0413—MIMO systems
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
Abstract
本発明は、MIMO通信技術に関し、MIMO通信における送信信号の推定精度(MIMO復号性能)を向上することを目的の一つとする。そのため、本発明のMIMO復号方法では、伝搬路推定値行列HをQR分解することによってユニタリー行列Qと三角行列Rとを得る過程において、三角行列Rの非対角成分のスカラー和が最小となる三角行列Rを生成し、得られた三角行列Rと、前記ユニタリー行列Qと、前記受信アンテナで受信された受信信号とを用いて、前記送信アンテナから送信された信号を推定する。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009525233A JP4769897B2 (ja) | 2007-07-31 | 2007-07-31 | Mimo復号方法及びmimo復号装置並びにmimo受信機 |
EP07791685.6A EP2184876B1 (en) | 2007-07-31 | 2007-07-31 | Mimo decoding method and mimo decoder as well as mimo receiver |
PCT/JP2007/065001 WO2009016741A1 (ja) | 2007-07-31 | 2007-07-31 | Mimo復号方法及びmimo復号装置並びにmimo受信機 |
US12/686,081 US8213529B2 (en) | 2007-07-31 | 2010-01-12 | Method for MIMO decoding, apparatus for MIMO decoding, and MIMO receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/065001 WO2009016741A1 (ja) | 2007-07-31 | 2007-07-31 | Mimo復号方法及びmimo復号装置並びにmimo受信機 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/686,081 Continuation US8213529B2 (en) | 2007-07-31 | 2010-01-12 | Method for MIMO decoding, apparatus for MIMO decoding, and MIMO receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009016741A1 true WO2009016741A1 (ja) | 2009-02-05 |
Family
ID=40303986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/065001 WO2009016741A1 (ja) | 2007-07-31 | 2007-07-31 | Mimo復号方法及びmimo復号装置並びにmimo受信機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8213529B2 (ja) |
EP (1) | EP2184876B1 (ja) |
JP (1) | JP4769897B2 (ja) |
WO (1) | WO2009016741A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009100408A (ja) * | 2007-10-19 | 2009-05-07 | Hitachi Kokusai Electric Inc | 最尤復号化方法、最尤復号装置、及び受信機 |
JP2011508522A (ja) * | 2007-12-21 | 2011-03-10 | インテル・コーポレーション | チャネル状態フィードバックの反復的低減 |
JP2012114503A (ja) * | 2010-11-19 | 2012-06-14 | Fujitsu Ltd | 信号処理方法及び受信機 |
JP2014099815A (ja) * | 2012-11-15 | 2014-05-29 | Fujitsu Ltd | 無線通信装置、及び無線通信方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101267799B1 (ko) * | 2007-11-12 | 2013-06-04 | 삼성전자주식회사 | 이동 통신 시스템에서 직교 부호화된 신호간의 간섭을제거하는 장치 및 방법 |
TWI422182B (zh) * | 2010-12-30 | 2014-01-01 | Univ Nat Chiao Tung | 基於幾何方法欠定多輸入多輸出系統之高效率解碼器及其解碼方法 |
WO2019141353A1 (en) * | 2018-01-17 | 2019-07-25 | Huawei Technologies Co., Ltd. | Signal decoder and method for determining the qr decomposition of an m×n input matrix |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003273837A (ja) | 2002-03-12 | 2003-09-26 | Toshiba Corp | 受信装置、送受信装置、送信装置および送信信号分類装置 |
JP2005176020A (ja) * | 2003-12-12 | 2005-06-30 | Rikogaku Shinkokai | 復号方法および復号装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2776872B1 (fr) * | 1998-03-25 | 2000-06-02 | Nortel Matra Cellular | Procede d'egalisation numerique, et recepteur de radiocommunication mettant en oeuvre un tel procede |
US7289585B2 (en) * | 2004-01-12 | 2007-10-30 | Intel Corporation | Multicarrier receivers and methods for separating transmitted signals in a multiple antenna system |
US20080256426A1 (en) * | 2004-11-12 | 2008-10-16 | Nokia Siemens Networks Oy | Low Density Parity Check Codes For Mimo Systems |
-
2007
- 2007-07-31 JP JP2009525233A patent/JP4769897B2/ja not_active Expired - Fee Related
- 2007-07-31 EP EP07791685.6A patent/EP2184876B1/en not_active Not-in-force
- 2007-07-31 WO PCT/JP2007/065001 patent/WO2009016741A1/ja active Application Filing
-
2010
- 2010-01-12 US US12/686,081 patent/US8213529B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003273837A (ja) | 2002-03-12 | 2003-09-26 | Toshiba Corp | 受信装置、送受信装置、送信装置および送信信号分類装置 |
JP2005176020A (ja) * | 2003-12-12 | 2005-06-30 | Rikogaku Shinkokai | 復号方法および復号装置 |
Non-Patent Citations (4)
Title |
---|
D. WUBBEN J ET AL.: "Efficient Algorithm for Detecting Layered Space-Time Codes", 4TH INTERNATIONAL ITG CONFERENCE ON SOURCE AND CHANNEL AND CODING |
HYUNSEOK LEE HYOUNGSUK ET AL.: "A Novel Detection Algorithm Using the Sorted QR Decomposition Based on Log-Likelihood Ratio in V-BLAST Systems", WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, 2006 . WICOM 2006.INTERNATIONAL CONFERENCE, 24 September 2006 (2006-09-24), pages 1 - 4, XP031074183 * |
KENICHI HIGUCHI ET AL.: "Adaptive Selection Algorithm of Surviving Symbol Replica Candidates in QRM-MLD for MIMO Multiplexing Using OFCDM Wireless Access", TECHNICAL REPORT OF IEICE, RCS2004-69, May 2004 (2004-05-01) |
WENJIE JIANG ET AL.: "MMSE Criterion Fast Decision Feedback Equalization Algorithm for Spatial Multiplexing Systems", VEHICULAR TECHNOLOGY CONFERENCE, vol. 64th, September 2006 (2006-09-01), pages 1 - 5, XP031051118 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009100408A (ja) * | 2007-10-19 | 2009-05-07 | Hitachi Kokusai Electric Inc | 最尤復号化方法、最尤復号装置、及び受信機 |
JP2011508522A (ja) * | 2007-12-21 | 2011-03-10 | インテル・コーポレーション | チャネル状態フィードバックの反復的低減 |
JP2012114503A (ja) * | 2010-11-19 | 2012-06-14 | Fujitsu Ltd | 信号処理方法及び受信機 |
US8891693B2 (en) | 2010-11-19 | 2014-11-18 | Fujitsu Limited | Signal processing method and receiver for wireless communication system |
JP2014099815A (ja) * | 2012-11-15 | 2014-05-29 | Fujitsu Ltd | 無線通信装置、及び無線通信方法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2009016741A1 (ja) | 2010-10-14 |
EP2184876A4 (en) | 2014-08-13 |
JP4769897B2 (ja) | 2011-09-07 |
US8213529B2 (en) | 2012-07-03 |
EP2184876A1 (en) | 2010-05-12 |
EP2184876B1 (en) | 2015-11-11 |
US20100124299A1 (en) | 2010-05-20 |
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