CA2720059C - Antenna switching method of wireless communication system - Google Patents

Antenna switching method of wireless communication system Download PDF

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Publication number
CA2720059C
CA2720059C CA2720059A CA2720059A CA2720059C CA 2720059 C CA2720059 C CA 2720059C CA 2720059 A CA2720059 A CA 2720059A CA 2720059 A CA2720059 A CA 2720059A CA 2720059 C CA2720059 C CA 2720059C
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CA
Canada
Prior art keywords
transmitting
antenna
receiving
received signal
controller
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.)
Active
Application number
CA2720059A
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English (en)
French (fr)
Other versions
CA2720059A1 (en
Inventor
Toshihiko Kushida
Takayoshi Obatake
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.)
Maeda Metal Industries Ltd
Original Assignee
Maeda Metal Industries 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 Maeda Metal Industries Ltd filed Critical Maeda Metal Industries Ltd
Publication of CA2720059A1 publication Critical patent/CA2720059A1/en
Application granted granted Critical
Publication of CA2720059C publication Critical patent/CA2720059C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2720059A 2009-11-05 2010-11-04 Antenna switching method of wireless communication system Active CA2720059C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009253790A JP5356185B2 (ja) 2009-11-05 2009-11-05 無線通信システムのアンテナ切替方法
JP2009-253790 2009-11-05

Publications (2)

Publication Number Publication Date
CA2720059A1 CA2720059A1 (en) 2011-05-05
CA2720059C true CA2720059C (en) 2017-10-24

Family

ID=43479893

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2720059A Active CA2720059C (en) 2009-11-05 2010-11-04 Antenna switching method of wireless communication system

Country Status (7)

Country Link
US (1) US8200287B2 (enExample)
EP (1) EP2320577B1 (enExample)
JP (1) JP5356185B2 (enExample)
KR (1) KR101750561B1 (enExample)
CN (1) CN102055511B (enExample)
CA (1) CA2720059C (enExample)
TW (1) TWI481214B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6048875B2 (ja) * 2012-02-14 2016-12-21 パナソニックＩｐマネジメント株式会社 無線通信システム
CN103378887B (zh) * 2012-04-20 2017-08-25 南京中兴新软件有限责任公司 射频信号的发送、接收装置及方法
ITMI20130495A1 (it) * 2013-03-29 2014-09-30 Atlas Copco Blm Srl Dispositivo elettronico di controllo e comando per sensori
TWI572088B (zh) * 2013-09-14 2017-02-21 瑞昱半導體股份有限公司 無線通訊裝置及其控制方法
US9893715B2 (en) * 2013-12-09 2018-02-13 Shure Acquisition Holdings, Inc. Adaptive self-tunable antenna system and method
KR20160007720A (ko) 2014-06-25 2016-01-21 엘지이노텍 주식회사 무선전력전송 송신 장치
CN104218964B (zh) * 2014-09-04 2016-06-29 青岛海信移动通信技术股份有限公司 一种移动终端及Wi-Fi天线控制方法
CN108649990A (zh) * 2018-03-29 2018-10-12 努比亚技术有限公司 射频干扰处理方法及移动终端
JP7354810B2 (ja) * 2019-12-04 2023-10-03 株式会社デンソー 通信システム
WO2022038890A1 (ja) * 2020-08-17 2022-02-24 ソニーセミコンダクタソリューションズ株式会社 通信装置、通信システムおよび鍵開閉制御方法
CN113183073B (zh) * 2021-06-03 2025-01-21 国网河南省电力公司电力科学研究院 一种带无线传输功能的电动拧紧扳手及其使用方法
CN115276691A (zh) 2021-10-14 2022-11-01 神基科技股份有限公司 无线信号接收装置及系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561673A (en) * 1993-04-16 1996-10-01 Matsushita Electric Industrial Co., Ltd. Antenna switched diversity reciever
JP2751869B2 (ja) * 1995-04-28 1998-05-18 日本電気株式会社 送信ダイバシティ方式
US6034643A (en) * 1997-03-28 2000-03-07 Kabushiki Kaisha Toyota Chuo Kenkyusho Directional beam antenna device and directional beam controlling apparatus
JPH10276124A (ja) * 1997-03-28 1998-10-13 Hitachi Ltd 無線通信網
JP2002026796A (ja) * 1998-04-07 2002-01-25 Matsushita Electric Ind Co Ltd 無線通信装置及び無線通信システム
JP2000353998A (ja) 1999-06-11 2000-12-19 Matsushita Electric Ind Co Ltd ダイバーシティ受信機およびダイバーシティ送信機
JP2002239939A (ja) * 2001-02-19 2002-08-28 Hitachi Engineering & Services Co Ltd ボルトの締付けトルク管理装置
US7103382B2 (en) * 2001-07-10 2006-09-05 Kyocera Wireless Corp. System and method for receiving and transmitting information in a multipath environment
DE10317689A1 (de) * 2003-04-17 2004-10-28 Robert Bosch Gmbh HF-Felgenantenne mit mehreren Patch-Antennen
JP3975299B2 (ja) * 2004-07-08 2007-09-12 前田金属工業株式会社 締付トルク測定ユニット及びトルク表示締付機
GB0511458D0 (en) * 2005-06-06 2005-07-13 Melexis Nv Monitoring device for a rotatable shaft
JP4079196B2 (ja) * 2005-12-21 2008-04-23 松下電器産業株式会社 無線警報装置およびそのプログラム
JP2009033486A (ja) * 2007-07-27 2009-02-12 Panasonic Corp 無線通信装置
US9246541B2 (en) * 2008-02-01 2016-01-26 Qualcomm Incorporated UTRAN enhancements for the support of inter-cell interference cancellation
JP2009212691A (ja) * 2008-03-03 2009-09-17 Fujitsu Ltd 複数のアンテナを使用して無線信号を送信する方法および装置

Also Published As

Publication number Publication date
HK1157951A1 (en) 2012-07-06
EP2320577A3 (en) 2012-06-06
US8200287B2 (en) 2012-06-12
KR101750561B1 (ko) 2017-06-23
CN102055511B (zh) 2015-02-18
EP2320577A2 (en) 2011-05-11
KR20110049731A (ko) 2011-05-12
JP5356185B2 (ja) 2013-12-04
EP2320577B1 (en) 2018-01-03
JP2011101153A (ja) 2011-05-19
CA2720059A1 (en) 2011-05-05
CN102055511A (zh) 2011-05-11
TW201125306A (en) 2011-07-16
TWI481214B (zh) 2015-04-11
US20110105038A1 (en) 2011-05-05

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Effective date: 20151019