HK1060226A1 - Path timing detection method, path timing detection apparatus, and adaptive array antenna system - Google Patents

Path timing detection method, path timing detection apparatus, and adaptive array antenna system

Info

Publication number
HK1060226A1
HK1060226A1 HK04102929A HK04102929A HK1060226A1 HK 1060226 A1 HK1060226 A1 HK 1060226A1 HK 04102929 A HK04102929 A HK 04102929A HK 04102929 A HK04102929 A HK 04102929A HK 1060226 A1 HK1060226 A1 HK 1060226A1
Authority
HK
Hong Kong
Prior art keywords
timing detection
path timing
antenna system
array antenna
adaptive array
Prior art date
Application number
HK04102929A
Other languages
English (en)
Inventor
Shousei Yoshida
Original Assignee
Nec 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 Nec Corp filed Critical Nec Corp
Publication of HK1060226A1 publication Critical patent/HK1060226A1/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891Space-time diversity
    • H04B7/0897Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • H04B1/7095Sliding correlator type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7113Determination of path profile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
HK04102929A 2002-05-21 2004-04-26 Path timing detection method, path timing detection apparatus, and adaptive array antenna system HK1060226A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002146813A JP3856126B2 (ja) 2002-05-21 2002-05-21 パスタイミング検出方法、パスタイミング検出装置及び適応アレーアンテナシステム

Publications (1)

Publication Number Publication Date
HK1060226A1 true HK1060226A1 (en) 2004-07-30

Family

ID=29397796

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04102929A HK1060226A1 (en) 2002-05-21 2004-04-26 Path timing detection method, path timing detection apparatus, and adaptive array antenna system

Country Status (5)

Country Link
US (1) US7215699B2 (de)
EP (1) EP1365521B1 (de)
JP (1) JP3856126B2 (de)
CN (1) CN1295899C (de)
HK (1) HK1060226A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2005055466A1 (ja) * 2003-12-01 2008-04-17 日本電気株式会社 マルチビーム送受信装置および送受信方法
CN1625066A (zh) * 2003-12-05 2005-06-08 皇家飞利浦电子股份有限公司 一种用于无线通信体系的二维瑞克接收机
CN1918809B (zh) * 2004-02-12 2011-05-25 日本电气株式会社 移动通信系统和用于该系统的无线设备
JP4329594B2 (ja) * 2004-03-30 2009-09-09 富士通株式会社 アレーアンテナ無線通信装置およびそのパスタイミング検出方法
JP4389704B2 (ja) * 2004-07-16 2009-12-24 日本電気株式会社 Cdma受信装置、およびcdma受信装置における同期タイミング検出方法
JP5186748B2 (ja) * 2006-09-29 2013-04-24 富士通株式会社 無線通信装置および無線通信方法
US8396151B2 (en) * 2006-10-19 2013-03-12 Qualcomm Incorporated Timing tracking in a multiple receive antenna system
ES2402632B1 (es) 2011-02-08 2014-05-14 Tyco Electronics Raychem Bvba Lengüeta de liberación para un conectador eléctrico y conectador eléctrico que comprende dicha lengüeta de liberación
ES2395358B1 (es) 2011-02-08 2014-04-25 Tyco Electronics Corporation Conectador de acción única
CN103257407B (zh) 2012-02-20 2015-11-25 泰科电子(上海)有限公司 连接器和连接器组件
EP3095000B1 (de) 2014-01-13 2021-04-28 CommScope Telecommunications (Shanghai) Co. Ltd. Faseroptischer verbinder
US11215767B2 (en) 2017-06-07 2022-01-04 Commscope Technologies Llc Fiber optic adapter and cassette
CN107450062B (zh) * 2017-07-07 2019-11-19 杭州申昊科技股份有限公司 天线延时校准的方法、装置及系统

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11266180A (ja) * 1998-03-18 1999-09-28 Fujitsu Ltd 無線基地局のアレーアンテナシステム
JP2982795B1 (ja) 1998-06-29 1999-11-29 日本電気株式会社 スペクトラム拡散信号受信方法および受信機
JP3369513B2 (ja) * 1999-07-02 2003-01-20 松下電器産業株式会社 通信端末装置及び無線受信方法
JP3344478B2 (ja) 1999-07-16 2002-11-11 日本電気株式会社 Cdmaセルラシステムにおけるパスサーチ回路
JP3872953B2 (ja) * 1999-12-27 2007-01-24 株式会社東芝 アダプティブアンテナを用いた無線通信装置
JP3468189B2 (ja) * 2000-02-02 2003-11-17 日本電気株式会社 パターン生成回路及びそれを用いたマルチパス検出回路並びにそのマルチパス検出方法
WO2001067627A1 (fr) * 2000-03-06 2001-09-13 Fujitsu Limited Recepteur amcr et detecteur d'un tel recepteur
CN1111325C (zh) * 2000-03-24 2003-06-11 信息产业部电信传输研究所 一种宽带码分多址系统中的多径筛选方法
JP4509297B2 (ja) 2000-04-26 2010-07-21 三菱電機株式会社 スペクトル拡散受信装置
JP3424659B2 (ja) 2000-06-02 2003-07-07 日本電気株式会社 マルチビーム受信装置
JP3580495B2 (ja) 2000-08-25 2004-10-20 日本電気株式会社 適応アンテナ受信装置
JP3551254B2 (ja) * 2001-02-05 2004-08-04 日本電気株式会社 パス検出方法、パス検出装置及びアレーアンテナ受信装置
JP2002237766A (ja) * 2001-02-08 2002-08-23 Nec Corp 適応アンテナ受信装置
JP3558053B2 (ja) * 2001-06-06 2004-08-25 日本電気株式会社 適応アンテナ受信装置
JP4086574B2 (ja) * 2002-04-12 2008-05-14 松下電器産業株式会社 パスサーチ回路、無線受信装置及び無線送信装置
JP3895228B2 (ja) * 2002-05-07 2007-03-22 松下電器産業株式会社 無線通信装置および到来方向推定方法

Also Published As

Publication number Publication date
EP1365521A1 (de) 2003-11-26
US7215699B2 (en) 2007-05-08
CN1295899C (zh) 2007-01-17
EP1365521B1 (de) 2013-10-02
JP3856126B2 (ja) 2006-12-13
US20030220082A1 (en) 2003-11-27
CN1462123A (zh) 2003-12-17
JP2003338776A (ja) 2003-11-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100521