DE69921955T2 - Empfangs-Diversityanordnung und Verfahren - Google Patents

Empfangs-Diversityanordnung und Verfahren Download PDF

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Publication number
DE69921955T2
DE69921955T2 DE69921955T DE69921955T DE69921955T2 DE 69921955 T2 DE69921955 T2 DE 69921955T2 DE 69921955 T DE69921955 T DE 69921955T DE 69921955 T DE69921955 T DE 69921955T DE 69921955 T2 DE69921955 T2 DE 69921955T2
Authority
DE
Germany
Prior art keywords
antenna
antennas
antenna set
directional antennas
directional
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.)
Expired - Fee Related
Application number
DE69921955T
Other languages
German (de)
English (en)
Other versions
DE69921955D1 (de
Inventor
Kenichi Yokohama-shi Miyoshi
Katsuhiko Yokosuka-shi Hiramatsu
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.)
Panasonic Holdings Corp
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
Publication of DE69921955D1 publication Critical patent/DE69921955D1/de
Application granted granted Critical
Publication of DE69921955T2 publication Critical patent/DE69921955T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
DE69921955T 1998-12-14 1999-12-09 Empfangs-Diversityanordnung und Verfahren Expired - Fee Related DE69921955T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35489698A JP4181259B2 (ja) 1998-12-14 1998-12-14 受信装置及び受信方法
JP35489698 1998-12-14

Publications (2)

Publication Number Publication Date
DE69921955D1 DE69921955D1 (de) 2004-12-23
DE69921955T2 true DE69921955T2 (de) 2005-03-24

Family

ID=18440648

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69921955T Expired - Fee Related DE69921955T2 (de) 1998-12-14 1999-12-09 Empfangs-Diversityanordnung und Verfahren

Country Status (5)

Country Link
US (1) US6622013B1 (enExample)
EP (1) EP1026835B1 (enExample)
JP (1) JP4181259B2 (enExample)
CN (1) CN1173490C (enExample)
DE (1) DE69921955T2 (enExample)

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DE01270970T1 (de) 2000-12-12 2004-04-22 Kabushiki Kaisha Kenwood, Hachioji Diversity-empfänger und verfahren zum empfang eines orthogonal-frequenzmultiplexsignals
JP3679325B2 (ja) * 2000-12-12 2005-08-03 株式会社ケンウッド ダイバーシティ受信機及び直交周波数分割多重信号受信方法
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US7155192B2 (en) * 2001-09-25 2006-12-26 At&T Corp. Multi-antenna/multi-receiver array diversity system
JP3939165B2 (ja) * 2002-02-20 2007-07-04 三洋電機株式会社 無線装置、無線通信システム、空間パス制御方法および空間パス制御プログラム
US20030161410A1 (en) * 2002-02-26 2003-08-28 Martin Smith Radio communications device with adaptive combination
JP2003264490A (ja) * 2002-03-07 2003-09-19 Matsushita Electric Ind Co Ltd 無線基地局装置及び無線送信方法
US7035671B2 (en) * 2002-04-08 2006-04-25 Adc Telecommunications, Inc. Method and apparatus for intelligent noise reduction in a distributed communication system
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US6907272B2 (en) * 2002-07-30 2005-06-14 UNIVERSITé LAVAL Array receiver with subarray selection
US8958789B2 (en) 2002-12-03 2015-02-17 Adc Telecommunications, Inc. Distributed digital antenna system
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JP4091854B2 (ja) * 2003-01-31 2008-05-28 富士通株式会社 アレーアンテナの制御方法及びその装置、並びにアレーアンテナの制御プログラム
US8457264B2 (en) * 2003-02-28 2013-06-04 Vixs Systems, Inc. Radio receiver having a diversity antenna structure
US7515939B2 (en) 2003-10-01 2009-04-07 Broadcom Corporation System and method for channel-adaptive antenna selection
US20040185782A1 (en) * 2003-03-17 2004-09-23 Halford Steven Dennis Technique for selecting a signal path in an antenna system
US8185075B2 (en) 2003-03-17 2012-05-22 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
JP4184854B2 (ja) * 2003-04-07 2008-11-19 株式会社エヌ・ティ・ティ・ドコモ 電波送受信装置及び電波送受信方法
JP4157506B2 (ja) * 2003-07-29 2008-10-01 株式会社東芝 無線受信装置及び無線受信方法
US7200373B2 (en) * 2003-09-15 2007-04-03 Silicon Laboratories Inc. Antenna detection and diagnostic system and related method
EP3340488B1 (en) * 2003-10-01 2020-02-19 Avago Technologies International Sales Pte. Limited System and method for antenna selection
EP1530255A1 (en) * 2003-11-07 2005-05-11 Matsushita Electric Industrial Co., Ltd. Adaptive antenna apparatus provided with a plurality of pairs of bidirectional antennas
JP3906209B2 (ja) * 2004-01-26 2007-04-18 株式会社東芝 無線受信装置及び無線受信方法
JP4734210B2 (ja) * 2006-10-04 2011-07-27 富士通株式会社 無線通信方法
JP4855292B2 (ja) * 2007-02-13 2012-01-18 三菱電機株式会社 基地局、受信ダイバーシチ方法、送信ダイバーシチ方法および無線リンク確立方法
US20090149146A1 (en) * 2007-12-05 2009-06-11 Motorola, Inc. Adaptive millimeter-wave antenna system
US8494466B2 (en) * 2008-03-26 2013-07-23 Broadcom Corporation Selecting receiver chains of a mobile unit for receiving wireless signals
US20110065391A1 (en) * 2008-05-27 2011-03-17 Akihiko Shiotsuki Wireless communication apparatus for changing directional pattern of variable directivity antenna according to variations in radio wave propagation enviroment
US8934855B2 (en) 2008-11-12 2015-01-13 Apple Inc. Antenna auto-configuration
EP2438648A4 (en) * 2009-02-19 2014-06-25 Polyvalor Ltd Partnership SYSTEM FOR CONTROLLING THE RADIATION DIAGRAM OF A DIRECTIONAL ANTENNA
JP5159863B2 (ja) * 2010-11-15 2013-03-13 株式会社東芝 無線基地局装置、無線部制御装置及び無線通信方法
KR20120070966A (ko) * 2010-12-22 2012-07-02 한국전자통신연구원 다중 안테나를 이용한 무선 채널 측정 장치
JP5289486B2 (ja) * 2011-03-08 2013-09-11 株式会社東芝 無線基地局装置、無線部制御装置及び無線通信方法
CN103607229B (zh) * 2013-10-17 2017-06-09 上海交通大学 基于可重构功率合成器的多天线选择性合并分集方法
AU2015219260A1 (en) 2014-02-18 2016-08-25 Commscope Technologies Llc Selectively combining uplink signals in distributed antenna systems
US10499269B2 (en) 2015-11-12 2019-12-03 Commscope Technologies Llc Systems and methods for assigning controlled nodes to channel interfaces of a controller
KR102429965B1 (ko) * 2016-02-19 2022-08-08 삼성전자주식회사 사용자 단말의 수신 안테나 선택 방법 및 그 장치
JP6647990B2 (ja) * 2016-09-05 2020-02-14 アルパイン株式会社 デジタル放送受信装置
US10567094B2 (en) * 2017-08-01 2020-02-18 Denso International America, Inc. System and method for characterizing radio and antenna performance using RSS measurements
FR3070796B1 (fr) * 2017-09-05 2019-08-30 Continental Automotive France Procede de mise a jour d'une liste de stations recevables par un systeme de reception radio
JP7339037B2 (ja) * 2019-07-10 2023-09-05 ファナック株式会社 制御装置、診断方法及び診断プログラム

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GB2281012B (en) 1993-08-12 1998-04-15 Northern Telecom Ltd Angle diversity for multiple beam antenna
US5684491A (en) * 1995-01-27 1997-11-04 Hazeltine Corporation High gain antenna systems for cellular use
FI98171C (fi) * 1995-05-24 1997-04-25 Nokia Telecommunications Oy Menetelmä pilottikanavien lähettämiseksi ja solukkoradiojärjestelmä
JPH09307492A (ja) 1996-05-15 1997-11-28 Kokusai Electric Co Ltd ダイバーシチ受信回路
US5689272A (en) 1996-07-29 1997-11-18 Motorola, Inc. Method and system for producing antenna element signals for varying an antenna array pattern
JP2000509944A (ja) * 1997-02-13 2000-08-02 ノキア テレコミュニカシオンス オサケ ユキチュア 方向性無線通信方法及び装置
JPH10256970A (ja) 1997-03-14 1998-09-25 Nippon Telegr & Teleph Corp <Ntt> 無線通信方式
BR9812816A (pt) * 1997-09-15 2000-08-08 Adaptive Telecom Inc Processos para comunicação sem fio, e para eficientemente determinar na estação base um canal espacial da unidade móvel em um sistema de comunicação sem fio, e, estação base de cdma
US6438389B1 (en) * 1998-07-24 2002-08-20 The Board Of Trustees Of The Leland Stanford Junior University Wireless communication system with adaptive beam selection
US6330458B1 (en) * 1998-08-31 2001-12-11 Lucent Technologies Inc. Intelligent antenna sub-sector switching for time slotted systems

Also Published As

Publication number Publication date
JP4181259B2 (ja) 2008-11-12
US6622013B1 (en) 2003-09-16
CN1258139A (zh) 2000-06-28
DE69921955D1 (de) 2004-12-23
CN1173490C (zh) 2004-10-27
EP1026835A3 (en) 2003-06-04
EP1026835A2 (en) 2000-08-09
JP2000183795A (ja) 2000-06-30
EP1026835B1 (en) 2004-11-17

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee