WO2009037727A1 - マルチアンテナ受信装置 - Google Patents

マルチアンテナ受信装置 Download PDF

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Publication number
WO2009037727A1
WO2009037727A1 PCT/JP2007/001014 JP2007001014W WO2009037727A1 WO 2009037727 A1 WO2009037727 A1 WO 2009037727A1 JP 2007001014 W JP2007001014 W JP 2007001014W WO 2009037727 A1 WO2009037727 A1 WO 2009037727A1
Authority
WO
WIPO (PCT)
Prior art keywords
received signal
sinr
constellation
equation
interference
Prior art date
Application number
PCT/JP2007/001014
Other languages
English (en)
French (fr)
Inventor
Makoto Yoshida
Yasuharu Amezawa
Original Assignee
Fujitsu Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/001014 priority Critical patent/WO2009037727A1/ja
Publication of WO2009037727A1 publication Critical patent/WO2009037727A1/ja

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Classifications

    • 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
    • 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

Abstract

　従来、MIMOのSDM方式を採用したシステムにおいて、受信機が受信信号を復号する際、演算された尤度（LLR）を補正するために、SNRを用いていたが、より精度を良くするためにSINRを用いる。また、SINRは、受信信号をＲ、希望信号をＨＳ、干渉をＩ、ノイズをＮとすると、Ｓ／（Ｉ＋Ｎ）で求められるところ、Ｒ＝ＨＳ＋Ｉ＋Ｎという関係式から、Ｓ／（Ｒ－ＨＳ）という式で求め、演算量を減らした。また、干渉やノイズの影響により、受信信号のコンステレーションが、期待されるコンステレーションと異なる場合を考慮して、受信信号のコンステレーション補正を行なうようにした。
PCT/JP2007/001014 2007-09-19 2007-09-19 マルチアンテナ受信装置 WO2009037727A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001014 WO2009037727A1 (ja) 2007-09-19 2007-09-19 マルチアンテナ受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001014 WO2009037727A1 (ja) 2007-09-19 2007-09-19 マルチアンテナ受信装置

Publications (1)

Publication Number Publication Date
WO2009037727A1 true WO2009037727A1 (ja) 2009-03-26

Family

ID=40467560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/001014 WO2009037727A1 (ja) 2007-09-19 2007-09-19 マルチアンテナ受信装置

Country Status (1)

Country Link
WO (1) WO2009037727A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013106199A (ja) * 2011-11-14 2013-05-30 Softbank Mobile Corp Ｍｉｍｏ−ｏｆｄｍ伝送における受信装置及び受信方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003283462A (ja) * 2002-03-20 2003-10-03 Mitsubishi Electric Corp マルチキャリアｃｄｍａ受信装置
JP2005006194A (ja) * 2003-06-13 2005-01-06 Toshiba Corp 通信装置及び通信装置の誤り検出訂正方法
JP2006507710A (ja) * 2002-03-26 2006-03-02 インテル・コーポレーション ロバスト・マルチプル・チェーン受信機
JP2006314088A (ja) * 2005-04-04 2006-11-16 Matsushita Electric Ind Co Ltd Ｏｆｄｍ受信方法及びｏｆｄｍ受信装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003283462A (ja) * 2002-03-20 2003-10-03 Mitsubishi Electric Corp マルチキャリアｃｄｍａ受信装置
JP2006507710A (ja) * 2002-03-26 2006-03-02 インテル・コーポレーション ロバスト・マルチプル・チェーン受信機
JP2005006194A (ja) * 2003-06-13 2005-01-06 Toshiba Corp 通信装置及び通信装置の誤り検出訂正方法
JP2006314088A (ja) * 2005-04-04 2006-11-16 Matsushita Electric Ind Co Ltd Ｏｆｄｍ受信方法及びｏｆｄｍ受信装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JIMING CHEN WAI ET AL.: "A Novel Near Maximum Likelihood Detection Scheme for Wireless MIMO Systems", INFORMATION THEORY WORKSHOP, 26 October 2006 (2006-10-26), pages 576 - 580, XP003024797 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013106199A (ja) * 2011-11-14 2013-05-30 Softbank Mobile Corp Ｍｉｍｏ−ｏｆｄｍ伝送における受信装置及び受信方法

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