WO2008084800A1 - 受信装置及び受信方法 - Google Patents

受信装置及び受信方法 Download PDF

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Publication number
WO2008084800A1
WO2008084800A1 PCT/JP2008/050107 JP2008050107W WO2008084800A1 WO 2008084800 A1 WO2008084800 A1 WO 2008084800A1 JP 2008050107 W JP2008050107 W JP 2008050107W WO 2008084800 A1 WO2008084800 A1 WO 2008084800A1
Authority
WO
WIPO (PCT)
Prior art keywords
noise amount
unit
amount information
amplification units
variable gain
Prior art date
Application number
PCT/JP2008/050107
Other languages
English (en)
French (fr)
Inventor
Shuya Hosokawa
Kenji Miyanaga
Naganori Shirakata
Koji Imamura
Koichiro Tanaka
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/376,387 priority Critical patent/US8233865B2/en
Priority to EP08702978.1A priority patent/EP2043281B1/en
Priority to JP2008553100A priority patent/JP5147730B2/ja
Priority to CN2008800005440A priority patent/CN101542947B/zh
Publication of WO2008084800A1 publication Critical patent/WO2008084800A1/ja

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining
    • H04B7/0865Independent weighting, i.e. weights based on own antenna reception parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/345Interference values

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

 雑音量情報記憶部161には、予め定められた可変利得増幅部121,125の利得の値とダウンコンバータ131,135から出力されるBB信号に含まれる雑音の雑音量との関係を示した雑音量情報が記憶されている。AGC部140は、ダウンコンバータ131,135から出力されるBB信号の電力が一定になるように可変利得増幅部121,125の利得の値を制御する。雑音量推定部162は、雑音量情報記憶部161に記憶されている雑音量情報を参照して、可変利得増幅部121,125の制御された利得の値に対応した雑音量の推定を行う。ウェイト生成部170は、伝送路特性推定部150による伝送路特性の推定結果と雑音量推定部162の雑音量の推定結果とに基づいてウェイト行列を生成する。
PCT/JP2008/050107 2007-01-12 2008-01-09 受信装置及び受信方法 WO2008084800A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/376,387 US8233865B2 (en) 2007-01-12 2008-01-09 Reception device and reception method
EP08702978.1A EP2043281B1 (en) 2007-01-12 2008-01-09 Multi-antenna receiver
JP2008553100A JP5147730B2 (ja) 2007-01-12 2008-01-09 受信装置及び受信方法
CN2008800005440A CN101542947B (zh) 2007-01-12 2008-01-09 接收装置和接收方法

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-004151 2007-01-12
JP2007004151 2007-01-12
JP2007-118667 2007-04-27
JP2007-118666 2007-04-27
JP2007118667 2007-04-27
JP2007118666 2007-04-27

Publications (1)

Publication Number Publication Date
WO2008084800A1 true WO2008084800A1 (ja) 2008-07-17

Family

ID=39608689

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050107 WO2008084800A1 (ja) 2007-01-12 2008-01-09 受信装置及び受信方法

Country Status (5)

Country Link
US (1) US8233865B2 (ja)
EP (1) EP2043281B1 (ja)
JP (1) JP5147730B2 (ja)
CN (1) CN101542947B (ja)
WO (1) WO2008084800A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009225054A (ja) * 2008-03-14 2009-10-01 Nippon Telegr & Teleph Corp <Ntt> 協調伝送システム、協調伝送方法および受信局
WO2010056885A1 (en) * 2008-11-12 2010-05-20 Qualcomm Incorporated Method and apparatus for directional channel access in a wireless communications system
JP2011199618A (ja) * 2010-03-19 2011-10-06 Kyocera Corp 通信装置および信号電力測定方法
JP2012010180A (ja) * 2010-06-25 2012-01-12 Nippon Hoso Kyokai <Nhk> Mimo伝送路特性測定装置及びmimo擬似伝送路装置
CN101729120B (zh) * 2008-10-10 2014-10-22 索尼株式会社 无线通信装置和无线通信方法
US8937884B2 (en) 2009-04-03 2015-01-20 Quantenna Communications Inc. Interference-cognitive transmission
WO2023042431A1 (ja) * 2021-09-17 2023-03-23 ソニーグループ株式会社 計測装置および計測方法
US11949473B2 (en) 2019-07-08 2024-04-02 Nec Corporation Wireless receiving apparatus, wireless communication system, and wireless receiving method

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US20090312043A1 (en) 2008-06-13 2009-12-17 Silvus Technologies, Inc. Interference mitigation for devices with multiple receivers
US8488724B2 (en) * 2009-05-14 2013-07-16 Silvus Technologies, Inc. Wideband interference mitigation for devices with multiple receivers
US8526552B1 (en) * 2009-08-25 2013-09-03 Marvell International Ltd. Noise estimation in communication receivers
EP2320578A1 (en) * 2009-11-06 2011-05-11 Alcatel Lucent Wireless communications device and method of operating a wireless communication device
CN102055704B (zh) * 2009-11-10 2013-05-08 中兴通讯股份有限公司 一种正交频分复用***中进行噪声估计的方法及装置
US8483641B1 (en) 2010-07-28 2013-07-09 Marvell International Ltd. Validation and stabilization of noise matrices
US20130156238A1 (en) * 2011-11-28 2013-06-20 Sony Mobile Communications Ab Adaptive crosstalk rejection
WO2013089191A1 (ja) * 2011-12-13 2013-06-20 京セラ株式会社 移動端末、無線通信システム、および無線通信方法
WO2014006961A1 (ja) * 2012-07-06 2014-01-09 日本電気株式会社 フェージングドップラ周波数推定装置およびフェージングドップラ周波数推定方法
US9209873B1 (en) * 2012-09-27 2015-12-08 Marvell International Ltd. Method and apparatus for estimating noise and providing linear equalizers for multi-user MIMO (MU-MIMO) wireless communication systems
US8923452B2 (en) * 2013-03-18 2014-12-30 Lockheed Martin Corporation Noise-based gain adjustment and amplitude estimation system
JP6070417B2 (ja) * 2013-05-29 2017-02-01 富士通株式会社 無線通信装置、重み係数演算方法、および重み係数演算プログラム
CN104618056A (zh) * 2014-12-31 2015-05-13 电子科技大学 一种适用于显著波动的信道条件下的干扰抑制方法
US11586889B1 (en) * 2019-12-13 2023-02-21 Amazon Technologies, Inc. Sensory perception accelerator

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JP2003101449A (ja) * 2001-09-21 2003-04-04 Sharp Corp アダプティブアレーアンテナのウエイト計算方法、ウエイト計算装置、ウエイト計算システム及びウエイト計算プログラムを記録した記録媒体
JP2003143045A (ja) * 2001-11-02 2003-05-16 Fujitsu Ltd 平均二乗誤差最小化アルゴリズムを用いて信号を処理する装置
JP2003258758A (ja) * 2002-03-05 2003-09-12 Sharp Corp Ofdm復調装置及び電力重み付け方法
JP2004080191A (ja) * 2002-08-13 2004-03-11 Sharp Corp 重み推定方法並びに重み推定装置及びそれを備えた干渉除去装置と受信機
JP2005328311A (ja) 2004-05-13 2005-11-24 Ntt Docomo Inc 雑音電力推定装置、雑音電力推定方法及び信号検出装置
WO2006003776A1 (ja) 2004-06-04 2006-01-12 Matsushita Electric Industrial Co., Ltd. 無線通信装置
JP2006345500A (ja) * 2005-05-10 2006-12-21 Nippon Hoso Kyokai <Nhk> Mimo受信装置

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US20040209585A1 (en) * 2003-04-17 2004-10-21 Motorola, Inc. Method and apparatus for determining an interference level on a fading channel
JP2006011706A (ja) 2004-06-24 2006-01-12 Samsung Yokohama Research Institute Co Ltd 逆行列演算回路
JP4266201B2 (ja) 2004-12-24 2009-05-20 株式会社東芝 Ofdmダイバーシチ受信装置
EP1930880B1 (en) * 2005-09-02 2019-09-25 NEC Corporation Method and device for noise suppression, and computer program
KR100997310B1 (ko) * 2006-02-01 2010-11-29 닛본 덴끼 가부시끼가이샤 등화 장치 및 등화 방법

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JP2003101449A (ja) * 2001-09-21 2003-04-04 Sharp Corp アダプティブアレーアンテナのウエイト計算方法、ウエイト計算装置、ウエイト計算システム及びウエイト計算プログラムを記録した記録媒体
JP2003143045A (ja) * 2001-11-02 2003-05-16 Fujitsu Ltd 平均二乗誤差最小化アルゴリズムを用いて信号を処理する装置
JP2003258758A (ja) * 2002-03-05 2003-09-12 Sharp Corp Ofdm復調装置及び電力重み付け方法
JP2004080191A (ja) * 2002-08-13 2004-03-11 Sharp Corp 重み推定方法並びに重み推定装置及びそれを備えた干渉除去装置と受信機
JP2005328311A (ja) 2004-05-13 2005-11-24 Ntt Docomo Inc 雑音電力推定装置、雑音電力推定方法及び信号検出装置
WO2006003776A1 (ja) 2004-06-04 2006-01-12 Matsushita Electric Industrial Co., Ltd. 無線通信装置
JP2006345500A (ja) * 2005-05-10 2006-12-21 Nippon Hoso Kyokai <Nhk> Mimo受信装置

Non-Patent Citations (1)

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See also references of EP2043281A4 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009225054A (ja) * 2008-03-14 2009-10-01 Nippon Telegr & Teleph Corp <Ntt> 協調伝送システム、協調伝送方法および受信局
CN101729120B (zh) * 2008-10-10 2014-10-22 索尼株式会社 无线通信装置和无线通信方法
CN102257745A (zh) * 2008-11-12 2011-11-23 高通股份有限公司 用于无线通信***中定向信道接入的方法和装置
CN102257745B (zh) * 2008-11-12 2014-08-13 高通股份有限公司 用于无线通信***中定向信道接入的方法和装置
WO2010056885A1 (en) * 2008-11-12 2010-05-20 Qualcomm Incorporated Method and apparatus for directional channel access in a wireless communications system
US8942210B2 (en) 2008-11-12 2015-01-27 Qualcomm Incorporated Method and apparatus for channel access in a wireless communications system
KR101504283B1 (ko) 2008-11-12 2015-03-19 퀄컴 인코포레이티드 무선 통신 시스템에서 지향성 채널 액세스를 위한 방법 및 장치
US9214990B2 (en) 2008-11-12 2015-12-15 Qualcomm Incorporated Method and apparatus for directional clear channel assessment in a wireless communications system
US9787371B2 (en) 2008-11-12 2017-10-10 Qualcomm, Incorporated Method and apparatus for directional channel access in a wireless communications system
US8937884B2 (en) 2009-04-03 2015-01-20 Quantenna Communications Inc. Interference-cognitive transmission
JP2011199618A (ja) * 2010-03-19 2011-10-06 Kyocera Corp 通信装置および信号電力測定方法
JP2012010180A (ja) * 2010-06-25 2012-01-12 Nippon Hoso Kyokai <Nhk> Mimo伝送路特性測定装置及びmimo擬似伝送路装置
US11949473B2 (en) 2019-07-08 2024-04-02 Nec Corporation Wireless receiving apparatus, wireless communication system, and wireless receiving method
WO2023042431A1 (ja) * 2021-09-17 2023-03-23 ソニーグループ株式会社 計測装置および計測方法

Also Published As

Publication number Publication date
EP2043281A4 (en) 2014-01-01
EP2043281A1 (en) 2009-04-01
US8233865B2 (en) 2012-07-31
CN101542947A (zh) 2009-09-23
CN101542947B (zh) 2013-03-20
EP2043281B1 (en) 2015-03-04
JPWO2008084800A1 (ja) 2010-05-06
US20100197262A1 (en) 2010-08-05
JP5147730B2 (ja) 2013-02-20

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