DE60328449D1 - Basisstation und Verfahren zur Richtstrahlkommunikation - Google Patents

Basisstation und Verfahren zur Richtstrahlkommunikation

Info

Publication number
DE60328449D1
DE60328449D1 DE60328449T DE60328449T DE60328449D1 DE 60328449 D1 DE60328449 D1 DE 60328449D1 DE 60328449 T DE60328449 T DE 60328449T DE 60328449 T DE60328449 T DE 60328449T DE 60328449 D1 DE60328449 D1 DE 60328449D1
Authority
DE
Germany
Prior art keywords
base station
directional beam
beam communication
communication
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 - Lifetime
Application number
DE60328449T
Other languages
English (en)
Inventor
Koichi Okawa
Anil Umesh
Shinya Tanaka
Takehiro Nakamura
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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 NTT Docomo Inc filed Critical NTT Docomo Inc
Application granted granted Critical
Publication of DE60328449D1 publication Critical patent/DE60328449D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • 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
    • H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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)
  • Mobile Radio Communication Systems (AREA)
DE60328449T 2002-12-19 2003-12-19 Basisstation und Verfahren zur Richtstrahlkommunikation Expired - Lifetime DE60328449D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002368865A JP2004201137A (ja) 2002-12-19 2002-12-19 指向性ビーム通信システム、指向性ビーム通信方法、基地局及び制御装置

Publications (1)

Publication Number Publication Date
DE60328449D1 true DE60328449D1 (de) 2009-09-03

Family

ID=32376308

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60328449T Expired - Lifetime DE60328449D1 (de) 2002-12-19 2003-12-19 Basisstation und Verfahren zur Richtstrahlkommunikation

Country Status (5)

Country Link
US (1) US7233812B2 (de)
EP (1) EP1432144B1 (de)
JP (1) JP2004201137A (de)
CN (2) CN1270449C (de)
DE (1) DE60328449D1 (de)

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KR100933147B1 (ko) * 2003-08-07 2009-12-21 삼성전자주식회사 적응 안테나 어레이 방식을 사용하는 이동 통신 시스템에서 신호 수신 장치 및 방법
CN100431386C (zh) * 2005-05-12 2008-11-05 上海原动力通信科技有限公司 同频多小区终端来波方向的估计方法
US8666333B2 (en) * 2005-12-12 2014-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Using antenna arrays to produce omni-directional transmissions
GB0602530D0 (en) 2006-02-09 2006-03-22 Quintel Technology Ltd Phased array antenna system with multiple beams
CN101064558B (zh) * 2006-04-26 2011-12-28 大唐移动通信设备有限公司 一种无线通信系统中实现广播组播的方法
US8265657B2 (en) * 2006-05-18 2012-09-11 Samsung Electronics Co., Ltd. Method and system for device discovery in a wireless video area network
WO2008120315A1 (ja) * 2007-03-28 2008-10-09 Fujitsu Limited 送信装置並びにアレーアンテナ制御方法及び装置
US8494588B2 (en) * 2007-07-06 2013-07-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for improving the performance of a mobile radio communications system by adjusting antenna patterns
US8265047B2 (en) * 2007-09-13 2012-09-11 Samsung Electronics Co., Ltd. System and method for device discovery in a wireless network of devices having directional antennas
US8027702B2 (en) * 2008-03-11 2011-09-27 Intel Corporation Combined omni- and directional- communications in high-frequency wireless networks
JP5317543B2 (ja) * 2008-06-13 2013-10-16 株式会社日立国際電気 無線通信システム
KR101479011B1 (ko) * 2008-12-17 2015-01-13 삼성전자주식회사 다중 대역 스케쥴링 방법 및 이를 이용한 방송 서비스 시스템
ITRM20090482A1 (it) * 2009-09-22 2011-03-23 Gentili Enrico Inverter.
EP2475105B1 (de) * 2011-01-06 2013-09-11 Thomson Licensing System zur Übertragung von Signalen in einer häuslichen Umgebung
JP2013074479A (ja) * 2011-09-28 2013-04-22 Fujitsu Ltd 無線通信システム、無線通信装置および無線通信方法
CN103491553B (zh) * 2012-06-08 2016-12-21 华为技术有限公司 一种波束调整方法和设备
EP2685755B1 (de) * 2012-07-12 2015-12-09 Alcatel Lucent Örtlich begrenzte Klassifizierung eines mobilen Endgeräts innerhalb einer Zelle
JP2013219833A (ja) * 2013-07-05 2013-10-24 Hitachi Kokusai Electric Inc 無線通信システム
GB2517217B (en) * 2013-08-16 2018-03-21 Analog Devices Global Communication unit, integrated circuit and method for generating a plurality of sectored beams
GB2517218B (en) 2013-08-16 2017-10-04 Analog Devices Global Communication unit and method of antenna array calibration
CN106911013B (zh) * 2015-12-23 2020-06-12 启碁科技股份有限公司 阵列天线与天线系统
WO2018003022A1 (ja) * 2016-06-28 2018-01-04 三菱電機株式会社 無線基地局装置および無線通信方法
US10491283B2 (en) * 2017-01-09 2019-11-26 Qualcomm Incorporated Wide transmit sector level sweep (SLS) sectors
CN113745844B (zh) * 2021-09-01 2024-04-12 杭州腓腓科技有限公司 一种基于可重构全息超表面的波束优化方法及系统

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JPH05336027A (ja) * 1992-05-29 1993-12-17 Nec Corp ゾーン制御方式
GB2295524A (en) * 1994-11-28 1996-05-29 Northern Telecom Ltd Beamed antenna system for a cellular radio base station
JPH09200115A (ja) * 1996-01-23 1997-07-31 Toshiba Corp 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ
JPH09326746A (ja) * 1996-06-06 1997-12-16 Oki Electric Ind Co Ltd 基地局アンテナ指向性制御方法
JPH1032868A (ja) * 1996-07-16 1998-02-03 Oki Electric Ind Co Ltd 適応セクタ制御方法
JP3204111B2 (ja) * 1996-08-28 2001-09-04 松下電器産業株式会社 指向性制御アンテナ装置
JP3816162B2 (ja) * 1996-10-18 2006-08-30 株式会社東芝 アダプティブアンテナにおけるビーム幅制御方法
JPH10190616A (ja) * 1996-12-20 1998-07-21 Oki Electric Ind Co Ltd ハンドオーバ制御装置
US5889494A (en) * 1997-01-27 1999-03-30 Metawave Communications Corporation Antenna deployment sector cell shaping system and method
US6070090A (en) * 1997-11-13 2000-05-30 Metawave Communications Corporation Input specific independent sector mapping
JPH11298400A (ja) * 1998-04-10 1999-10-29 Nec Saitama Ltd 適応アンテナの指向性制御回路及び指向性制御方法
US6542484B1 (en) * 1998-05-15 2003-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Code allocation for radiocommunication systems
US6415149B1 (en) * 1998-11-24 2002-07-02 Nortel Networks Limited Method and apparatus for handoff in a cellular radio communications system
JP3466937B2 (ja) * 1998-11-27 2003-11-17 株式会社日立国際電気 セクタアンテナ装置
US6259918B1 (en) 1999-02-26 2001-07-10 Telefonaktiebolaget Lm (Publ) Preservation of cell borders at hand-off within a smart antenna cellular system
EP1197098B1 (de) * 1999-06-18 2006-10-04 Motorola, Inc. Verfahren und vorrichtung für schnelles weiterreichen in einem kommunikationssystem
US6480524B1 (en) * 1999-09-13 2002-11-12 Nortel Networks Limited Multiple beam antenna
US7039441B1 (en) * 1999-10-19 2006-05-02 Kathrein-Werke Kg High speed fixed wireless voice/data systems and methods
JP2001169326A (ja) * 1999-12-08 2001-06-22 Matsushita Electric Ind Co Ltd 無線基地局装置及び無線通信方法
US6400335B1 (en) * 2000-08-09 2002-06-04 Lucent Technologies Inc. Dynamic load sharing system and method using a cylindrical antenna array
KR100360010B1 (ko) * 2000-11-27 2002-11-07 에스케이 텔레콤주식회사 이동 통신 다중 섹터 안테나 시스템에서의 통화량 추정 장치
US6996418B2 (en) * 2000-12-29 2006-02-07 Nortel Networks Limited Apparatus and method for OFDM data communications

Also Published As

Publication number Publication date
EP1432144A3 (de) 2006-05-17
CN1819491A (zh) 2006-08-16
CN1270449C (zh) 2006-08-16
US20040185783A1 (en) 2004-09-23
EP1432144A2 (de) 2004-06-23
CN1516361A (zh) 2004-07-28
EP1432144B1 (de) 2009-07-22
JP2004201137A (ja) 2004-07-15
US7233812B2 (en) 2007-06-19

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Legal Events

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8364 No opposition during term of opposition