JP5006172B2 - 無線通信方法及び無線通信システム - Google Patents

無線通信方法及び無線通信システム Download PDF

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Publication number
JP5006172B2
JP5006172B2 JP2007313343A JP2007313343A JP5006172B2 JP 5006172 B2 JP5006172 B2 JP 5006172B2 JP 2007313343 A JP2007313343 A JP 2007313343A JP 2007313343 A JP2007313343 A JP 2007313343A JP 5006172 B2 JP5006172 B2 JP 5006172B2
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JP
Japan
Prior art keywords
wireless
antenna
antennas
wireless client
transmission path
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
JP2007313343A
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English (en)
Japanese (ja)
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JP2009141470A (ja
JP2009141470A5 (enExample
Inventor
弘之 万木
渡 野口
方彦 名越
宗太郎 新海
昭彦 汐月
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 Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2007313343A priority Critical patent/JP5006172B2/ja
Priority to PCT/JP2008/003492 priority patent/WO2009072255A1/ja
Priority to US12/743,296 priority patent/US8284718B2/en
Publication of JP2009141470A publication Critical patent/JP2009141470A/ja
Publication of JP2009141470A5 publication Critical patent/JP2009141470A5/ja
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0851—Joint weighting using training sequences or error signal
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2007313343A 2007-12-04 2007-12-04 無線通信方法及び無線通信システム Expired - Fee Related JP5006172B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007313343A JP5006172B2 (ja) 2007-12-04 2007-12-04 無線通信方法及び無線通信システム
PCT/JP2008/003492 WO2009072255A1 (ja) 2007-12-04 2008-11-27 無線通信システム
US12/743,296 US8284718B2 (en) 2007-12-04 2008-11-27 Wireless communication system having MIMO communication capability and having multiple receiving antennas to be selected

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007313343A JP5006172B2 (ja) 2007-12-04 2007-12-04 無線通信方法及び無線通信システム

Publications (3)

Publication Number Publication Date
JP2009141470A JP2009141470A (ja) 2009-06-25
JP2009141470A5 JP2009141470A5 (enExample) 2011-01-27
JP5006172B2 true JP5006172B2 (ja) 2012-08-22

Family

ID=40717438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007313343A Expired - Fee Related JP5006172B2 (ja) 2007-12-04 2007-12-04 無線通信方法及び無線通信システム

Country Status (3)

Country Link
US (1) US8284718B2 (enExample)
JP (1) JP5006172B2 (enExample)
WO (1) WO2009072255A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100848139B1 (ko) * 2006-12-08 2008-07-23 한국전자통신연구원 근접한 무선 단말 간의 네트워크 자동 설정 장치 및 그 방법
KR20100082106A (ko) * 2009-01-08 2010-07-16 삼성전자주식회사 와이 파이 멀티미디어 기반의 데이터 전송 방법 및 장치
JP2011101112A (ja) * 2009-11-04 2011-05-19 Nec Casio Mobile Communications Ltd 無線通信装置、無線通信方法及びプログラム
CN104901735A (zh) * 2009-11-04 2015-09-09 日本电气株式会社 无线电通信系统的控制方法、无线电通信系统和无线电通信装置
KR101637211B1 (ko) * 2010-04-12 2016-07-08 삼성전자 주식회사 휴대 단말기 및 그의 다중 입력 다중 출력 안테나 운용 방법
KR101932197B1 (ko) 2012-07-03 2018-12-24 삼성전자주식회사 다중 안테나 통신 시스템에서의 안테나 개수 결정 방법 및 장치
JP2015012363A (ja) * 2013-06-27 2015-01-19 ソニー株式会社 通信装置及び検出方法
US9161376B2 (en) * 2013-08-20 2015-10-13 Cisco Technology, Inc. System and method for managing access point communication channel utilization
JP5950359B2 (ja) * 2014-04-01 2016-07-13 日本電気株式会社 無線通信装置、無線通信方法及びプログラム
JP2016139940A (ja) * 2015-01-28 2016-08-04 京セラ株式会社 無線通信方法および基地局
CN107534465B (zh) * 2016-04-05 2020-11-10 华为技术有限公司 天线测量方法及终端
US10542200B2 (en) * 2017-05-23 2020-01-21 Panasonic Intellectual Property Managemant Co., Ltd. Surveillance camera system
US10715233B2 (en) * 2017-08-31 2020-07-14 Qualcomm Incorporated Sounding reference signal (SRS) transmit antenna selection
US10637591B1 (en) 2019-03-13 2020-04-28 Verizon Patent And Licensing Inc. Automated installed environment antenna characteristics determination
WO2020212730A1 (en) 2019-04-16 2020-10-22 Nokia Solutions And Networks Oy Method and apparatus for selecting antenna elements of an antenna array
US12489524B2 (en) * 2022-09-30 2025-12-02 Microsoft Technology Licensing, Llc Data communication connector
WO2025134229A1 (ja) * 2023-12-19 2025-06-26 日本電信電話株式会社 無線通信システム、受信局、無線通信方法および無線通信用プログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7173899B1 (en) * 2000-08-28 2007-02-06 Lucent Technologies Inc. Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in CDMA or TDMA systems
EP1444793B1 (en) * 2001-11-07 2006-03-01 Koninklijke Philips Electronics N.V. Method of selecting a subset of antennas among a plurality of antennas in a diversity system
JP4128197B2 (ja) * 2003-06-30 2008-07-30 富士通株式会社 多入力多出力伝送システム
KR100981554B1 (ko) * 2003-11-13 2010-09-10 한국과학기술원 다중 송수신 안테나들을 구비하는 이동통신시스템에서,송신 안테나들을 그룹핑하여 신호를 전송하는 방법
US7599420B2 (en) * 2004-07-30 2009-10-06 Rearden, Llc System and method for distributed input distributed output wireless communications
US7418053B2 (en) * 2004-07-30 2008-08-26 Rearden, Llc System and method for distributed input-distributed output wireless communications
US8619907B2 (en) * 2004-06-10 2013-12-31 Agere Systems, LLC Method and apparatus for preamble training in a multiple antenna communication system
US7565113B2 (en) * 2005-03-29 2009-07-21 Sony Corporation Method and apparatus to resist fading in mimo and simo wireless systems
US8483200B2 (en) * 2005-04-07 2013-07-09 Interdigital Technology Corporation Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks
JP4518999B2 (ja) * 2005-05-17 2010-08-04 日本放送協会 Ｍｉｍｏ受信アンテナ選択装置
US20070041457A1 (en) * 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
JP4435098B2 (ja) * 2006-02-08 2010-03-17 日本電信電話株式会社 無線通信装置および無線通信方法
KR100848139B1 (ko) * 2006-12-08 2008-07-23 한국전자통신연구원 근접한 무선 단말 간의 네트워크 자동 설정 장치 및 그 방법

Also Published As

Publication number Publication date
US8284718B2 (en) 2012-10-09
US20100246496A1 (en) 2010-09-30
WO2009072255A1 (ja) 2009-06-11
JP2009141470A (ja) 2009-06-25

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