GB2221820B - Polarisation diversity radio communication system - Google Patents

Polarisation diversity radio communication system

Info

Publication number
GB2221820B
GB2221820B GB8912590A GB8912590A GB2221820B GB 2221820 B GB2221820 B GB 2221820B GB 8912590 A GB8912590 A GB 8912590A GB 8912590 A GB8912590 A GB 8912590A GB 2221820 B GB2221820 B GB 2221820B
Authority
GB
United Kingdom
Prior art keywords
communication system
radio communication
diversity radio
polarisation diversity
polarisation
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
GB8912590A
Other versions
GB2221820A (en
GB8912590D0 (en
Inventor
Kazuo Nakahi
Hiroshi Umeyama
Shigemi Sakurai
Kuniharu Tatetsuki
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB8912590D0 publication Critical patent/GB8912590D0/en
Publication of GB2221820A publication Critical patent/GB2221820A/en
Application granted granted Critical
Publication of GB2221820B publication Critical patent/GB2221820B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B7/10—Polarisation diversity; Directional 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
    • H04B7/0602—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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB8912590A 1988-06-15 1989-06-01 Polarisation diversity radio communication system Expired - Lifetime GB2221820B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14886488 1988-06-15
JP14886588 1988-06-15

Publications (3)

Publication Number Publication Date
GB8912590D0 GB8912590D0 (en) 1989-07-19
GB2221820A GB2221820A (en) 1990-02-14
GB2221820B true GB2221820B (en) 1992-09-16

Family

ID=26478922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8912590A Expired - Lifetime GB2221820B (en) 1988-06-15 1989-06-01 Polarisation diversity radio communication system

Country Status (2)

Country Link
JP (1) JPH0744492B2 (en)
GB (1) GB2221820B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467385B (en) * 1990-10-05 1992-07-06 Ericsson Telefon Ab L M PROCEDURE TO REDUCE RISK BEFORE POSSIBLE RECEIVING IN A MOBILE PHONE SYSTEM
DE4213881A1 (en) * 1992-04-28 1993-11-04 Bosch Gmbh Robert BIDIRECTIONAL DATA TRANSMISSION SYSTEM BETWEEN A BEAK AND A VEHICLE
DE4213882A1 (en) * 1992-04-28 1993-11-04 Bosch Gmbh Robert DEVICE OF A VEHICLE FOR DATA TRANSFER TO A FIXED BAKE AND COMMUNICATION SYSTEM FORMED WITH IT
DE4213879A1 (en) * 1992-04-28 1993-11-04 Bosch Gmbh Robert COMMUNICATION SYSTEM FOR DATA TRANSFER FROM A MOVING VEHICLE TO A FIXED BEAK
JP2962383B2 (en) * 1992-08-27 1999-10-12 三菱電機株式会社 Diversity receiver
EP0622910B1 (en) * 1993-04-29 2003-06-25 Ericsson Inc. Time diversity transmission system for the reduction of adjacent channel interference in mobile telephone systems
US5724666A (en) * 1994-03-24 1998-03-03 Ericsson Inc. Polarization diversity phased array cellular base station and associated methods
US6201801B1 (en) 1994-03-24 2001-03-13 Ericsson Inc. Polarization diversity phased array cellular base station and associated methods
US6151310A (en) * 1994-03-24 2000-11-21 Ericsson Inc. Dividable transmit antenna array for a cellular base station and associated method
US5625881A (en) * 1994-04-28 1997-04-29 Bell-Northern Research Ltd. Time and frequency diveristy in a radio system having intermittent operation receivers
DE19546599C2 (en) * 1995-12-13 1999-07-29 Siemens Ag Sending device
JP2003528533A (en) * 2000-03-22 2003-09-24 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Mobile radio communication device, base station thereof, and antenna selection method
GB2376843B (en) * 2001-06-18 2005-01-12 Ubinetics Ltd A transmitter station and a radiotelephone system including a transmitter station
JP3735635B2 (en) * 2003-02-03 2006-01-18 松下電器産業株式会社 ANTENNA DEVICE AND RADIO COMMUNICATION DEVICE USING THE SAME
EP2051328A4 (en) 2006-08-03 2012-05-09 Panasonic Corp Antenna apparatus
JP4990026B2 (en) * 2007-05-18 2012-08-01 パナソニック株式会社 Antenna device
JP5161485B2 (en) * 2007-05-18 2013-03-13 パナソニック株式会社 Antenna device
KR101464510B1 (en) * 2007-10-17 2014-11-26 삼성전자주식회사 MIMO antenna apparatus
JP5043790B2 (en) * 2008-09-25 2012-10-10 パナソニック株式会社 Antenna device
JP5162394B2 (en) * 2008-09-25 2013-03-13 パナソニック株式会社 Antenna device
JP5147619B2 (en) * 2008-09-25 2013-02-20 パナソニック株式会社 Antenna device
JP5042180B2 (en) * 2008-09-25 2012-10-03 パナソニック株式会社 Antenna device
JP5042181B2 (en) * 2008-09-25 2012-10-03 パナソニック株式会社 Antenna device
JP5308278B2 (en) * 2009-08-27 2013-10-09 株式会社エヌ・ティ・ティ・ドコモ Dual polarization antenna
JP5135379B2 (en) * 2010-04-07 2013-02-06 ユニ・チャーム株式会社 Absorbent articles
FR2977731A1 (en) * 2011-07-08 2013-01-11 Johnson Contr Automotive Elect INVERSE F ANTENNA ANTENNA INTEGRATED IN A PRINTED CARD, AND SYSTEM
JP5760942B2 (en) * 2011-10-19 2015-08-12 株式会社デンソー Antenna device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662025A (en) * 1949-08-11 1951-11-28 Gordon Melville Clark Diversified transmission
GB800293A (en) * 1955-09-16 1958-08-20 Standard Telephones Cables Ltd Improvements in or relating to radio diversity systems
GB1357779A (en) * 1970-12-29 1974-06-26 Western Electric Co Mobile radio systems
EP0124319A1 (en) * 1983-04-25 1984-11-07 AT&T Corp. Radio telephones
GB2196211A (en) * 1986-09-12 1988-04-20 British Broadcasting Corp Communications system for a mobile video camera

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141511A (en) * 1978-04-26 1979-11-02 Fujitsu Ltd Space diversity system
JPH0722266B2 (en) * 1986-08-14 1995-03-08 沖電気工業株式会社 Wireless communication system in a narrow space

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662025A (en) * 1949-08-11 1951-11-28 Gordon Melville Clark Diversified transmission
GB800293A (en) * 1955-09-16 1958-08-20 Standard Telephones Cables Ltd Improvements in or relating to radio diversity systems
GB1357779A (en) * 1970-12-29 1974-06-26 Western Electric Co Mobile radio systems
EP0124319A1 (en) * 1983-04-25 1984-11-07 AT&T Corp. Radio telephones
GB2196211A (en) * 1986-09-12 1988-04-20 British Broadcasting Corp Communications system for a mobile video camera

Also Published As

Publication number Publication date
GB2221820A (en) 1990-02-14
GB8912590D0 (en) 1989-07-19
JPH0744492B2 (en) 1995-05-15
JPH0284824A (en) 1990-03-26

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19950619

PE20 Patent expired after termination of 20 years

Expiry date: 20090531