WO2008136399A1 - 無線通信装置及び信号処理方法 - Google Patents

無線通信装置及び信号処理方法 Download PDF

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Publication number
WO2008136399A1
WO2008136399A1 PCT/JP2008/058047 JP2008058047W WO2008136399A1 WO 2008136399 A1 WO2008136399 A1 WO 2008136399A1 JP 2008058047 W JP2008058047 W JP 2008058047W WO 2008136399 A1 WO2008136399 A1 WO 2008136399A1
Authority
WO
WIPO (PCT)
Prior art keywords
reference signal
signal processing
fading
communication device
processing method
Prior art date
Application number
PCT/JP2008/058047
Other languages
English (en)
French (fr)
Inventor
Kenta Okino
Takeshi Toda
Chiharu Yamazaki
Original Assignee
Kyocera 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 Kyocera Corporation filed Critical Kyocera Corporation
Priority to US12/597,731 priority Critical patent/US8565826B2/en
Publication of WO2008136399A1 publication Critical patent/WO2008136399A1/ja

Links

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
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　　無線基地局１００は、アンテナ素子１０１ａ～１０１ｎのそれぞれにおいて受信された無線信号のフェージング速度をアンテナ素子毎に測定するフェージング速度測定部１０３ａ～１０３ｎと、信号処理部１０７によるアレイアンテナ１０１の指向性の適応制御に用いられる基準信号を出力する基準信号計算部１０５とを備える。基準信号計算 部１０５は、フェージング速度測定部１０３ａ～１０３ｎによって測定された複数のフェージング速度に基づいて、基準信号を出力する。
PCT/JP2008/058047 2007-04-26 2008-04-25 無線通信装置及び信号処理方法 WO2008136399A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/597,731 US8565826B2 (en) 2007-04-26 2008-04-25 Radio communication device and signal processing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007117789A JP4917956B2 (ja) 2007-04-26 2007-04-26 無線通信装置及び信号処理方法
JP2007-117789 2007-04-26

Publications (1)

Publication Number Publication Date
WO2008136399A1 true WO2008136399A1 (ja) 2008-11-13

Family

ID=39943506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/058047 WO2008136399A1 (ja) 2007-04-26 2008-04-25 無線通信装置及び信号処理方法

Country Status (3)

Country Link
US (1) US8565826B2 (ja)
JP (1) JP4917956B2 (ja)
WO (1) WO2008136399A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015008442A1 (ja) * 2013-07-18 2015-01-22 日本電気株式会社 ポイントツーポイント無線システム、通信装置、及び通信制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002091625A1 (fr) * 2001-05-02 2002-11-14 Fujitsu Limited Systeme a diversite d'emission
JP2003008675A (ja) * 2001-06-20 2003-01-10 Yrp Kokino Idotai Tsushin Kenkyusho:Kk 最大ドップラー周波数推定装置および無線通信装置
JP2003032167A (ja) * 2001-07-12 2003-01-31 Sanyo Electric Co Ltd 無線基地システムおよび送信指向性制御方法
WO2007001052A1 (ja) * 2005-06-29 2007-01-04 Kyocera Corporation 無線通信装置、無線通信方法及び無線通信プログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5819168A (en) * 1997-05-01 1998-10-06 At&T Corp Adaptive communication system and method using unequal weighting of interface and noise
TW513873B (en) * 2000-07-27 2002-12-11 Sanyo Electric Co Radio equipment capable of real time change of antenna directivity and Doppler frequency estimating circuit used for the radio equipment
JP3685697B2 (ja) * 2000-09-01 2005-08-24 三洋電機株式会社 無線受信システムおよびウェイト更新方法
JP3653457B2 (ja) * 2000-10-02 2005-05-25 三洋電機株式会社 無線受信システム
US7095814B2 (en) * 2000-10-11 2006-08-22 Electronics And Telecommunications Research Institute Apparatus and method for very high performance space-time array reception processing using chip-level beamforming and fading rate adaptation
US7133459B2 (en) * 2001-05-01 2006-11-07 Texas Instruments Incorporated Space-time transmit diversity
JP3548156B2 (ja) * 2001-12-26 2004-07-28 三洋電機株式会社 アダプティブアレイ無線装置
US7436757B1 (en) * 2002-06-21 2008-10-14 Nortel Networks Limited Scattered pilot and filtering for channel estimation
EP1589681B1 (en) * 2003-01-30 2010-12-22 Fujitsu Limited Fading frequency estimation apparatus
US7433433B2 (en) * 2003-11-13 2008-10-07 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation by adaptive interpolation
JP4297093B2 (ja) * 2005-07-15 2009-07-15 ソニー株式会社 ドップラー周波数算出装置及び方法、並びにｏｆｄｍ復調装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002091625A1 (fr) * 2001-05-02 2002-11-14 Fujitsu Limited Systeme a diversite d'emission
JP2003008675A (ja) * 2001-06-20 2003-01-10 Yrp Kokino Idotai Tsushin Kenkyusho:Kk 最大ドップラー周波数推定装置および無線通信装置
JP2003032167A (ja) * 2001-07-12 2003-01-31 Sanyo Electric Co Ltd 無線基地システムおよび送信指向性制御方法
WO2007001052A1 (ja) * 2005-06-29 2007-01-04 Kyocera Corporation 無線通信装置、無線通信方法及び無線通信プログラム

Also Published As

Publication number Publication date
US20100151798A1 (en) 2010-06-17
JP2008278080A (ja) 2008-11-13
US8565826B2 (en) 2013-10-22
JP4917956B2 (ja) 2012-04-18

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