WO2009028116A1 - 無線信号復調装置 - Google Patents

無線信号復調装置 Download PDF

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Publication number
WO2009028116A1
WO2009028116A1 PCT/JP2007/073304 JP2007073304W WO2009028116A1 WO 2009028116 A1 WO2009028116 A1 WO 2009028116A1 JP 2007073304 W JP2007073304 W JP 2007073304W WO 2009028116 A1 WO2009028116 A1 WO 2009028116A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
unit
pilot
demodulating device
radio signal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2007/073304
Other languages
English (en)
French (fr)
Inventor
Masataka Imao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to CN200780100108.6A priority Critical patent/CN101772905B/zh
Priority to US12/666,242 priority patent/US8179948B2/en
Priority to EP07832924.0A priority patent/EP2187538B1/en
Publication of WO2009028116A1 publication Critical patent/WO2009028116A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

　本発明は、伝送路環境の変動追随性が向上する無線信号復調装置を提供することを目的とする。そして、本発明は、既知のパイロット信号が多重された情報信号の振幅を、搬送波の周波数の時間変化に比例させて変調した無線信号として受信する無線信号復調装置である。そして、本発明に係る無線信号復調装置は、周波数変換部２と、信号合成部３と、第１のパイロット信号抽出部１１と、第２のパイロット信号抽出部１３と、第１のパイロット直交信号生成部１２と、第２のパイロット直交信号生成部１４と、第１の誤差信号生成部１６と、第１パイロット直交信号と第１の誤差信号生成部より得た第１誤差信号とを用いて信号合成部で使用される重み係数を算出する第１の重み係数更新部とを備える。
PCT/JP2007/073304 2007-08-30 2007-12-03 無線信号復調装置 Ceased WO2009028116A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200780100108.6A CN101772905B (zh) 2007-08-30 2007-12-03 无线信号解调装置
US12/666,242 US8179948B2 (en) 2007-08-30 2007-12-03 Radio signal demodulating device
EP07832924.0A EP2187538B1 (en) 2007-08-30 2007-12-03 Radio signal demodulating device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-223784 2007-08-30
JP2007223784 2007-08-30

Publications (1)

Publication Number Publication Date
WO2009028116A1 true WO2009028116A1 (ja) 2009-03-05

Family

ID=40386859

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/073304 Ceased WO2009028116A1 (ja) 2007-08-30 2007-12-03 無線信号復調装置

Country Status (4)

Country Link
US (1) US8179948B2 (ja)
EP (1) EP2187538B1 (ja)
CN (1) CN101772905B (ja)
WO (1) WO2009028116A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014504825A (ja) * 2011-01-10 2014-02-24 クアルコム，インコーポレイテッド 閉ループ送信ダイバーシティ方式におけるマスタースレーブアーキテクチャ

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011090028A1 (ja) * 2010-01-22 2011-07-28 住友電気工業株式会社 通信装置及び基地局装置
KR20120138169A (ko) * 2011-06-14 2012-12-24 삼성전자주식회사 무선 통신 시스템에서 신호 수신 장치 및 방법
FR2994356A1 (fr) * 2012-08-03 2014-02-07 St Microelectronics Grenoble 2 Correction de desequilibre dans une demodulation avec echantillonnage pleine bande
US9203656B2 (en) * 2012-08-08 2015-12-01 Mitsubishi Electric Corporation Receiver and method of estimating frequency response of transmission path by receiver
DE112013005867B4 (de) * 2012-12-07 2019-02-07 Mitsubishi Electric Corporation Diversity-Empfangsvorrichtung und Diversity-Empfangsverfahren
FR3067186B1 (fr) * 2017-06-01 2019-06-21 Continental Automotive France Procede de suppression de signaux multi-trajets pour recepteur de signaux radio modules en frequence

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03502515A (ja) * 1988-02-11 1991-06-06 リリング　ケニス　エフ 多重通路伝送低減装置
JPH08334168A (ja) * 1995-06-06 1996-12-17 Aqueous Res:Kk 多段変速装置
JPH10126138A (ja) * 1996-10-16 1998-05-15 N T T Ido Tsushinmo Kk アダプティブ・アレー受信機
JPH10341200A (ja) * 1997-06-06 1998-12-22 Matsushita Electric Ind Co Ltd アダプティブアレーアンテナ受信装置
JP2002185374A (ja) * 2000-12-13 2002-06-28 Sanyo Electric Co Ltd 無線受信システムおよびウェイト更新アルゴリズム制御方法
JP2004328357A (ja) * 2003-04-24 2004-11-18 Kyocera Corp アダプティブアレーアンテナシステム、無線装置およびアレーアンテナ指向性制御方法
JP2006050317A (ja) * 2004-08-05 2006-02-16 Japan Radio Co Ltd アレイアンテナ受信装置
JP2006186421A (ja) * 2004-12-24 2006-07-13 Toshiba Corp Ｏｆｄｍダイバーシチ受信装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07154129A (ja) 1993-11-29 1995-06-16 Nippon Motorola Ltd Ｌｍｓ方式のアダプティブアレイアンテナ装置
JPH07336130A (ja) 1994-06-08 1995-12-22 Toyota Central Res & Dev Lab Inc 移動体用アンテナ装置
JPH08331468A (ja) 1995-03-28 1996-12-13 Pioneer Electron Corp テレビジョン信号受信装置
JP3502515B2 (ja) 1996-10-16 2004-03-02 積水化学工業株式会社 塩化ビニル系樹脂の製造方法
JP3576099B2 (ja) * 2000-12-22 2004-10-13 株式会社東芝 スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
JP2005217849A (ja) 2004-01-30 2005-08-11 Advanced Telecommunication Research Institute International 受信機
US8098683B2 (en) * 2004-10-06 2012-01-17 Broadcom Corporation Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss
JP3724501B1 (ja) * 2004-11-30 2005-12-07 三菱電機株式会社 復調装置、ダイバーシチ受信装置および復調方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03502515A (ja) * 1988-02-11 1991-06-06 リリング　ケニス　エフ 多重通路伝送低減装置
JPH08334168A (ja) * 1995-06-06 1996-12-17 Aqueous Res:Kk 多段変速装置
JPH10126138A (ja) * 1996-10-16 1998-05-15 N T T Ido Tsushinmo Kk アダプティブ・アレー受信機
JPH10341200A (ja) * 1997-06-06 1998-12-22 Matsushita Electric Ind Co Ltd アダプティブアレーアンテナ受信装置
JP2002185374A (ja) * 2000-12-13 2002-06-28 Sanyo Electric Co Ltd 無線受信システムおよびウェイト更新アルゴリズム制御方法
JP2004328357A (ja) * 2003-04-24 2004-11-18 Kyocera Corp アダプティブアレーアンテナシステム、無線装置およびアレーアンテナ指向性制御方法
JP2006050317A (ja) * 2004-08-05 2006-02-16 Japan Radio Co Ltd アレイアンテナ受信装置
JP2006186421A (ja) * 2004-12-24 2006-07-13 Toshiba Corp Ｏｆｄｍダイバーシチ受信装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2187538A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014504825A (ja) * 2011-01-10 2014-02-24 クアルコム，インコーポレイテッド 閉ループ送信ダイバーシティ方式におけるマスタースレーブアーキテクチャ
US9178578B2 (en) 2011-01-10 2015-11-03 Qualcomm Incorporated Master-slave architecture in a closed loop transmit diversity scheme

Also Published As

Publication number Publication date
US8179948B2 (en) 2012-05-15
EP2187538B1 (en) 2014-11-12
CN101772905A (zh) 2010-07-07
US20100189202A1 (en) 2010-07-29
EP2187538A4 (en) 2013-09-04
EP2187538A1 (en) 2010-05-19
CN101772905B (zh) 2012-12-19

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