[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

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

無線信号復調装置 Download PDF

Info

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
Application number
PCT/JP2007/073304
Other languages
English (en)
French (fr)
Inventor
Masataka Imao
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Priority to US12/666,242 priority Critical patent/US8179948B2/en
Priority to CN200780100108.6A priority patent/CN101772905B/zh
Priority to EP07832924.0A priority patent/EP2187538B1/en
Publication of WO2009028116A1 publication Critical patent/WO2009028116A1/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

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 WO2009028116A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/666,242 US8179948B2 (en) 2007-08-30 2007-12-03 Radio signal demodulating device
CN200780100108.6A CN101772905B (zh) 2007-08-30 2007-12-03 无线信号解调装置
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 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
JP5832652B2 (ja) * 2012-08-08 2015-12-16 三菱電機株式会社 受信機、受信機による伝送路の周波数応答推定方法
US9178599B2 (en) * 2012-12-07 2015-11-03 Mitsubishi Electric Corporation Diversity receiving device and diversity receiving method
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
CN101772905A (zh) 2010-07-07
CN101772905B (zh) 2012-12-19
EP2187538A4 (en) 2013-09-04
EP2187538B1 (en) 2014-11-12
US20100189202A1 (en) 2010-07-29
EP2187538A1 (en) 2010-05-19

Similar Documents

Publication Publication Date Title
WO2009028116A1 (ja) 無線信号復調装置
ATE536011T1 (de) Verfahren und anordnung zur kalibrierung von sendepfaden eines antennensystems
GB2458418B (en) Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
DE602004029941D1 (de) Adaptives vorverzerrungsverfahren und anordnung
WO2010040087A3 (en) A novel curve-fitting technique for determining dispersion characteristics of guided elastic waves
ATE449467T1 (de) Ausnutzung des restfrequenzoffsets
WO2008057898A3 (en) Method and apparatus for cell search in an orthogonal wireless communication system
SG10201806950YA (en) Signal generation method and signal generation device
TW200740155A (en) Method for implementing an equalizer of an OFDM baseband reciever
WO2010008830A3 (en) Phase-noise resilient generation of a channel quality indicator
MX337079B (es) Metodo de generacion de señales y dispositvo de generacion de señales.
CA2533360A1 (en) Method and apparatus for transmission and reception of data
GB2440075A (en) Method and apparatus for implementing cooperative diversity using partial channel knowledge
WO2009148900A3 (en) Acquiring near-zero offset survey data
DE602007005525D1 (de) OFDM MIMO-Hochfrequenzübertragungssystem
MX353102B (es) Aparatos, sistemas y métodos de semejanza de fase diferencial.
WO2007011345A3 (en) Method, apparatus and system for modulating and demodulating signals compatible with multiple receiver types and designed for improved receiver performance
GB2525106A (en) Methods and apparatus for ameliorating signal reception
GB2469786A (en) Optimal training sequence and channel estimation method and system for superimposed training based OFDM systems
NO20040539L (no) Satellitt vandrebolge rorforsterker tilkoplet ikke-linearitets maling.
TW200644454A (en) Method and apparatus for RF signal demodulation
WO2009060183A3 (en) Method and apparatus for signal discovery
WO2012115785A3 (en) Electronic communication system that mimics natural range and orientation dependence
EP2372325A3 (en) System and method for magnitude and phase retrieval by path modulation
WO2008146347A1 (ja) マルチキャリア送信装置及びマルチキャリア受信装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200780100108.6

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07832924

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12666242

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2007832924

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE