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AU2001241174A1 - Mobile radio communications apparatus and base station thereof, and method of antenna selection - Google Patents

Mobile radio communications apparatus and base station thereof, and method of antenna selection

Info

Publication number
AU2001241174A1
AU2001241174A1 AU2001241174A AU4117401A AU2001241174A1 AU 2001241174 A1 AU2001241174 A1 AU 2001241174A1 AU 2001241174 A AU2001241174 A AU 2001241174A AU 4117401 A AU4117401 A AU 4117401A AU 2001241174 A1 AU2001241174 A1 AU 2001241174A1
Authority
AU
Australia
Prior art keywords
base station
mobile radio
radio communications
communications apparatus
antenna selection
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.)
Abandoned
Application number
AU2001241174A
Inventor
Teruo Onishi
Kenzo Urabe
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001241174A1 publication Critical patent/AU2001241174A1/en
Abandoned 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
    • H04B7/06—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
    • H04B7/0604—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 with predefined switching scheme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001241174A 2000-03-22 2001-03-16 Mobile radio communications apparatus and base station thereof, and method of antenna selection Abandoned AU2001241174A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000080466 2000-03-22
JP2000-80466 2000-03-22
PCT/JP2001/002109 WO2001071940A2 (en) 2000-03-22 2001-03-16 Mobile radio communications apparatus and base station thereof, and method of antenna selection

Publications (1)

Publication Number Publication Date
AU2001241174A1 true AU2001241174A1 (en) 2001-10-03

Family

ID=18597568

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001241174A Abandoned AU2001241174A1 (en) 2000-03-22 2001-03-16 Mobile radio communications apparatus and base station thereof, and method of antenna selection

Country Status (5)

Country Link
US (1) US20010039198A1 (en)
EP (1) EP1266464A2 (en)
JP (1) JP2003528533A (en)
AU (1) AU2001241174A1 (en)
WO (1) WO2001071940A2 (en)

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JP2002185372A (en) * 2000-12-15 2002-06-28 Matsushita Electric Ind Co Ltd Portable wireless device having antenna switching function
US20040196805A1 (en) * 2001-03-30 2004-10-07 Xiaoyang Lee Combined selective time switching transmission deversity (ststd) method and system
JP2003032163A (en) * 2001-07-12 2003-01-31 Matsushita Electric Ind Co Ltd Wireless communication device, wireless communication method, and wireless base station device
JP3744883B2 (en) 2002-06-05 2006-02-15 日本電気株式会社 Mobile phone, analysis device built in the same, and analysis method thereof
US7171223B2 (en) * 2003-01-10 2007-01-30 Belair Networks, Inc. Automatic antenna selection for mesh backhaul network nodes
US6924766B2 (en) 2003-04-03 2005-08-02 Kyocera Wireless Corp. Wireless telephone antenna diversity system
US7072620B2 (en) 2003-04-03 2006-07-04 Kyocera Wireless Corp. System and method for regulating antenna electrical length
JP4192665B2 (en) * 2003-04-23 2008-12-10 日本電気株式会社 Mobile phone terminal, antenna switching control method used therefor, and program thereof
US6879918B2 (en) * 2003-05-30 2005-04-12 Lucent Technologies Inc. Method and apparatus for measuring the transmission loss of a cable
CN1293776C (en) * 2004-01-06 2007-01-03 英华达（南京）科技有限公司 Method for realizing low-power system and high-power system to synchronously hold-on receiver on double frequency mobile hand-set
DE102004036878B4 (en) 2004-07-29 2008-04-10 Dräger Safety AG & Co. KGaA Method and device for radio transmission of signals generated close to the body
JP4813489B2 (en) * 2004-09-09 2011-11-09 エプコス アクチエンゲゼルシャフト Improvements in or relating to antenna matching in video receivers
US7640040B2 (en) 2005-08-22 2009-12-29 Kyocera Corporation Systems and methods for tuning an antenna configuration in a mobile communication device
US8666445B2 (en) 2005-10-25 2014-03-04 Kyocera Corporation Apparatus, system, and method for transmission antenna switching in a portable communication device
WO2007080760A1 (en) * 2006-01-12 2007-07-19 Nec Corporation Mobile terminal device, antenna switching method, and program
US7583939B2 (en) 2006-08-22 2009-09-01 Mitsubishi Electric Research Laboratories, Inc. Method and system for antenna selection in wireless networks
JP2008252418A (en) * 2007-03-30 2008-10-16 Nec Corp Portable radio terminal, power control method and power control program
CN102246419B (en) * 2008-12-15 2014-03-19 日本电气株式会社 Power detection circuit, transmitter, and power detection method
JP2011029944A (en) * 2009-07-27 2011-02-10 Funai Electric Co Ltd Portable device and radio communication part of the same
FR2951039B1 (en) * 2009-10-01 2016-07-15 Canon Kk CONFIGURATION METHOD FOR TRANSMITTING A COMMUNICATION NODE, COMPUTER PROGRAM PRODUCT, STORAGE MEDIUM AND CORRESPONDING COMMUNICATION NODE.
JP2011101112A (en) * 2009-11-04 2011-05-19 Nec Casio Mobile Communications Ltd Radio communication device, radio communication method and program
US9161321B2 (en) * 2010-09-20 2015-10-13 Mediatek Inc. Method and apparatus providing signal metric for transmitter
US9083415B2 (en) * 2011-10-24 2015-07-14 Qualcomm Incorporated Method and device for antenna searching with antenna selection
US8761296B2 (en) * 2012-06-01 2014-06-24 Qualcomm Incorporated Method and apparatus for antenna tuning and transmit path selection
DE102016112128A1 (en) 2016-07-01 2018-01-04 Intel IP Corporation Determination circuit and apparatus, mobile transceiver, communication device, method for determining, computer program and memory for determining a spatial transmission mode
JP7471835B2 (en) * 2020-01-27 2024-04-22 キヤノン株式会社 Antennas and Radio Equipment
US12407101B2 (en) * 2022-09-21 2025-09-02 Qualcomm Incorporated Antenna impedance detection and tuning

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744492B2 (en) * 1988-06-15 1995-05-15 松下電工株式会社 Polarization diversity wireless communication system
JP2735586B2 (en) * 1988-10-12 1998-04-02 科学技術振興事業団 Diversity wireless communication method and wireless device using diversity wireless communication method
JP3122267B2 (en) * 1992-12-24 2001-01-09 株式会社日立国際電気 Diversity communication system
JPH07273528A (en) * 1994-03-29 1995-10-20 Nippon Sheet Glass Co Ltd Radio interference prevention device for transmitting antenna
US6131022A (en) * 1994-06-29 2000-10-10 Martin Marietta Corporation Transceiver and antenna system for communication with remote station
JPH0879126A (en) * 1994-09-05 1996-03-22 Tech Res & Dev Inst Of Japan Def Agency Antenna connector for simultaneous transmission / reception of the same frequency
JPH08340274A (en) * 1995-06-13 1996-12-24 Saitama Nippon Denki Kk Portable radio equipment
IT1276383B1 (en) * 1995-06-14 1997-10-31 Sip ANTENNA OPERATING IN DIVERSITY, FOR EXAMPLE FOR MICROCELL RADIO SYSTEMS AND RELATED COMMUNICATION PROCEDURE
JPH09135199A (en) * 1995-11-10 1997-05-20 Nec Corp Antenna alarm detecting system
JP2947157B2 (en) * 1996-03-07 1999-09-13 日本電気株式会社 Transmission space diversity control method and transmission space diversity apparatus
JPH09247062A (en) * 1996-03-08 1997-09-19 Junichi Takada Diversity antenna
DE19705735A1 (en) * 1997-02-14 1998-08-20 Nokia Mobile Phones Ltd Method and device for inspecting at least one antenna branch, in particular in a vehicle
JPH1188748A (en) * 1997-09-05 1999-03-30 Matsushita Electric Ind Co Ltd Wireless antenna device
JPH1188246A (en) * 1997-09-08 1999-03-30 Matsushita Electric Ind Co Ltd Antenna device and wireless receiving device using the same
US5991643A (en) * 1997-11-28 1999-11-23 Acer Peripherals, Inc. Radio transceiver having switchable antennas
JP2002026796A (en) * 1998-04-07 2002-01-25 Matsushita Electric Ind Co Ltd Wireless communication device and wireless communication system
KR20000002504A (en) * 1998-06-20 2000-01-15 윤종용 Selective transmitting diversity device of mobile communication system and method thereof

Also Published As

Publication number Publication date
US20010039198A1 (en) 2001-11-08
WO2001071940A3 (en) 2002-06-20
WO2001071940A2 (en) 2001-09-27
EP1266464A2 (en) 2002-12-18
JP2003528533A (en) 2003-09-24

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