WO2002030024A1 - Dispositif et procede de selection de voies - Google Patents

Dispositif et procede de selection de voies Download PDF

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Publication number
WO2002030024A1
WO2002030024A1 PCT/JP2001/008664 JP0108664W WO0230024A1 WO 2002030024 A1 WO2002030024 A1 WO 2002030024A1 JP 0108664 W JP0108664 W JP 0108664W WO 0230024 A1 WO0230024 A1 WO 0230024A1
Authority
WO
WIPO (PCT)
Prior art keywords
delay profile
path selection
antenna
path
selects
Prior art date
Application number
PCT/JP2001/008664
Other languages
English (en)
French (fr)
Inventor
Hitoshi Iochi
Kazuyuki Miya
Original Assignee
Matsushita Electric Industrial Co., Ltd.
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 Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Priority to EP20010972645 priority Critical patent/EP1233560A1/en
Priority to AU2001292329A priority patent/AU2001292329A1/en
Publication of WO2002030024A1 publication Critical patent/WO2002030024A1/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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7113—Determination of path profile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0817—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 antenna selection with multiple receivers and antenna path selection
    • 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
    • H04B7/084—Equal gain combining, only phase adjustments

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
PCT/JP2001/008664 2000-10-04 2001-10-02 Dispositif et procede de selection de voies WO2002030024A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20010972645 EP1233560A1 (en) 2000-10-04 2001-10-02 Path selection device and path selection method
AU2001292329A AU2001292329A1 (en) 2000-10-04 2001-10-02 Path selection device and path selection method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000-304907 2000-10-04
JP2000304907A JP3421314B2 (ja) 2000-10-04 2000-10-04 パス選択装置及びパス選択方法

Publications (1)

Publication Number Publication Date
WO2002030024A1 true WO2002030024A1 (fr) 2002-04-11

Family

ID=18785870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/008664 WO2002030024A1 (fr) 2000-10-04 2001-10-02 Dispositif et procede de selection de voies

Country Status (6)

Country Link
US (1) US20020181628A1 (ja)
EP (1) EP1233560A1 (ja)
JP (1) JP3421314B2 (ja)
CN (1) CN1393076A (ja)
AU (1) AU2001292329A1 (ja)
WO (1) WO2002030024A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4237705B2 (ja) * 2002-11-15 2009-03-11 テレコム・イタリア・エッセ・ピー・アー デジタル通信受信器のチャンネル評価のためのメモリベースのデバイス及び方法
JP3629261B2 (ja) * 2002-11-26 2005-03-16 松下電器産業株式会社 無線受信装置
GB0229319D0 (en) * 2002-12-17 2003-01-22 Koninkl Philips Electronics Nv Simplified multi-diemensional rake receiver
FR2853170A1 (fr) * 2003-03-31 2004-10-01 Nortel Networks Ltd Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede
US7580447B2 (en) * 2003-05-21 2009-08-25 Nec Corporation Reception device and radio communication system using the same
JP3748443B2 (ja) * 2003-06-26 2006-02-22 松下電器産業株式会社 無線受信装置
US7460583B2 (en) * 2003-12-15 2008-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for path searching and verification
US7933314B2 (en) * 2006-06-22 2011-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication receiver despreading resource management
WO2020144740A1 (ja) * 2019-01-08 2020-07-16 三菱電機株式会社 伝送路設計支援装置、伝送路設計支援方法及びプログラム

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051356A (ja) * 1996-03-29 1998-02-20 Matsushita Electric Ind Co Ltd ドップラー周波数測定回路および同期回路
JPH1065591A (ja) * 1996-08-20 1998-03-06 Matsushita Electric Ind Co Ltd Ｃｄｍａ無線通信装置
JPH10313267A (ja) * 1997-05-12 1998-11-24 Nec Corp スペクトラム拡散通信同期捕捉復調装置
JPH114213A (ja) * 1997-06-11 1999-01-06 Nec Corp スペクトラム拡散受信機
JP2000022587A (ja) * 1998-06-29 2000-01-21 Nec Corp スペクトラム拡散信号受信方法および受信機
JP2000244366A (ja) * 1999-02-24 2000-09-08 Nec Corp Ｃｄｍａ受信装置の受信パス・サーチ方法およびサーチャー回路
JP2001274724A (ja) * 2000-03-24 2001-10-05 Matsushita Electric Ind Co Ltd 遅延プロファイル測定方法および遅延プロファイル測定回路
JP2001292076A (ja) * 2000-04-07 2001-10-19 Nec Corp マルチパス検出回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6731622B1 (en) * 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
US6229842B1 (en) * 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
JP3031351B2 (ja) * 1998-09-24 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそれに用いるパス検出方法並びにその制御プログラムを記録した記録媒体
JP3583304B2 (ja) * 1998-11-18 2004-11-04 松下電器産業株式会社 通信端末装置、基地局装置及び送信アンテナ切替方法
JP3930187B2 (ja) * 1999-03-03 2007-06-13 株式会社日立コミュニケーションテクノロジー 同期制御方法、受信機、基地局及び移動端末
JP3322240B2 (ja) * 1999-05-10 2002-09-09 日本電気株式会社 Ｃｄｍａ受信機

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051356A (ja) * 1996-03-29 1998-02-20 Matsushita Electric Ind Co Ltd ドップラー周波数測定回路および同期回路
JPH1065591A (ja) * 1996-08-20 1998-03-06 Matsushita Electric Ind Co Ltd Ｃｄｍａ無線通信装置
JPH10313267A (ja) * 1997-05-12 1998-11-24 Nec Corp スペクトラム拡散通信同期捕捉復調装置
JPH114213A (ja) * 1997-06-11 1999-01-06 Nec Corp スペクトラム拡散受信機
JP2000022587A (ja) * 1998-06-29 2000-01-21 Nec Corp スペクトラム拡散信号受信方法および受信機
JP2000244366A (ja) * 1999-02-24 2000-09-08 Nec Corp Ｃｄｍａ受信装置の受信パス・サーチ方法およびサーチャー回路
JP2001274724A (ja) * 2000-03-24 2001-10-05 Matsushita Electric Ind Co Ltd 遅延プロファイル測定方法および遅延プロファイル測定回路
JP2001292076A (ja) * 2000-04-07 2001-10-19 Nec Corp マルチパス検出回路

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AKIO AOYAMA ET AL.: "Antenna gousei chien profile riyou-gata CDMA pass search houshiki no teian", DENSHI JOUHOU TSUUSHIN GAKKAI GIJUTSU KENKYUU HOUKOKU, RCS99-67, 23 July 1999 (1999-07-23), pages 25 - 30, XP002907481 *

Also Published As

Publication number Publication date
JP3421314B2 (ja) 2003-06-30
AU2001292329A1 (en) 2002-04-15
JP2002111550A (ja) 2002-04-12
US20020181628A1 (en) 2002-12-05
CN1393076A (zh) 2003-01-22
EP1233560A1 (en) 2002-08-21

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