WO2002030024A1 - Dispositif et procede de selection de voies - Google Patents
Dispositif et procede de selection de voies Download PDFInfo
- 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
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)
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)
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)
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)
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 |
-
2000
- 2000-10-04 JP JP2000304907A patent/JP3421314B2/ja not_active Expired - Fee Related
-
2001
- 2001-10-02 US US10/148,387 patent/US20020181628A1/en not_active Abandoned
- 2001-10-02 CN CN01802913A patent/CN1393076A/zh active Pending
- 2001-10-02 EP EP20010972645 patent/EP1233560A1/en not_active Withdrawn
- 2001-10-02 AU AU2001292329A patent/AU2001292329A1/en not_active Abandoned
- 2001-10-02 WO PCT/JP2001/008664 patent/WO2002030024A1/ja not_active Application Discontinuation
Patent Citations (8)
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)
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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