WO2009072255A1 - 無線通信システム - Google Patents

無線通信システム Download PDF

Info

Publication number
WO2009072255A1
WO2009072255A1 PCT/JP2008/003492 JP2008003492W WO2009072255A1 WO 2009072255 A1 WO2009072255 A1 WO 2009072255A1 JP 2008003492 W JP2008003492 W JP 2008003492W WO 2009072255 A1 WO2009072255 A1 WO 2009072255A1
Authority
WO
WIPO (PCT)
Prior art keywords
training time
training
transmission path
antenna combinations
client devices
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.)
Ceased
Application number
PCT/JP2008/003492
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Hiroyuki Yurugi
Wataru Noguchi
Masahiko Nagoshi
Sotaro Shinkai
Akihiko Shiotsuki
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
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Priority to US12/743,296 priority Critical patent/US8284718B2/en
Publication of WO2009072255A1 publication Critical patent/WO2009072255A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04B7/0837—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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
PCT/JP2008/003492 2007-12-04 2008-11-27 無線通信システム Ceased WO2009072255A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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 (2)

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
JP2007-313343 2007-12-04

Publications (1)

Publication Number Publication Date
WO2009072255A1 true WO2009072255A1 (ja) 2009-06-11

Family

ID=40717438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003492 Ceased WO2009072255A1 (ja) 2007-12-04 2008-11-27 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (16)

* 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
WO2011055536A1 (ja) * 2009-11-04 2011-05-12 日本電気株式会社 無線通信システムの制御方法、無線通信システム、及び無線通信装置
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
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
US11962097B2 (en) 2019-04-16 2024-04-16 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

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2005509359A (ja) * 2001-11-07 2005-04-07 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ダイバーシティシステムにおける複数のアンテナからアンテナのサブセットを選択する方法
WO2006104537A2 (en) * 2005-03-29 2006-10-05 Sony Corporation Method and apparatus to resist fading in mimo and simo wireless systems
JP2006324787A (ja) * 2005-05-17 2006-11-30 Nippon Hoso Kyokai <Nhk> Ｍｉｍｏ受信アンテナ選択装置
JP2007214759A (ja) * 2006-02-08 2007-08-23 Nippon Telegr & Teleph Corp <Ntt> 無線通信装置および無線通信方法

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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
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
US8483200B2 (en) * 2005-04-07 2013-07-09 Interdigital Technology Corporation Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks
US20070041457A1 (en) * 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
KR100848139B1 (ko) * 2006-12-08 2008-07-23 한국전자통신연구원 근접한 무선 단말 간의 네트워크 자동 설정 장치 및 그 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005509359A (ja) * 2001-11-07 2005-04-07 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ダイバーシティシステムにおける複数のアンテナからアンテナのサブセットを選択する方法
WO2006104537A2 (en) * 2005-03-29 2006-10-05 Sony Corporation Method and apparatus to resist fading in mimo and simo wireless systems
JP2006324787A (ja) * 2005-05-17 2006-11-30 Nippon Hoso Kyokai <Nhk> Ｍｉｍｏ受信アンテナ選択装置
JP2007214759A (ja) * 2006-02-08 2007-08-23 Nippon Telegr & Teleph Corp <Ntt> 無線通信装置および無線通信方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
US8284718B2 (en) 2012-10-09
JP2009141470A (ja) 2009-06-25
US20100246496A1 (en) 2010-09-30
JP5006172B2 (ja) 2012-08-22

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