FR2512611B1 - Systeme de communication simultanee a plusieurs directivites d'antenne - Google Patents

Systeme de communication simultanee a plusieurs directivites d'antenne

Info

Publication number
FR2512611B1
FR2512611B1 FR8215122A FR8215122A FR2512611B1 FR 2512611 B1 FR2512611 B1 FR 2512611B1 FR 8215122 A FR8215122 A FR 8215122A FR 8215122 A FR8215122 A FR 8215122A FR 2512611 B1 FR2512611 B1 FR 2512611B1
Authority
FR
France
Prior art keywords
communication system
multiple antenna
simultaneous communication
antenna directivities
directivities
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
Application number
FR8215122A
Other languages
English (en)
Other versions
FR2512611A1 (fr
Inventor
Tokio Taga
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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
Priority claimed from JP13982781A external-priority patent/JPS5842330A/ja
Priority claimed from JP13469482A external-priority patent/JPS5925404A/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2512611A1 publication Critical patent/FR2512611A1/fr
Application granted granted Critical
Publication of FR2512611B1 publication Critical patent/FR2512611B1/fr
Expired 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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • 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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
FR8215122A 1981-09-07 1982-09-06 Systeme de communication simultanee a plusieurs directivites d'antenne Expired FR2512611B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13982781A JPS5842330A (ja) 1981-09-07 1981-09-07 ダイバ−シチ受信装置
JP13469482A JPS5925404A (ja) 1982-08-03 1982-08-03 指向性ダイバ−シチ受信方式及びアンテナ

Publications (2)

Publication Number Publication Date
FR2512611A1 FR2512611A1 (fr) 1983-03-11
FR2512611B1 true FR2512611B1 (fr) 1986-06-13

Family

ID=26468728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8215122A Expired FR2512611B1 (fr) 1981-09-07 1982-09-06 Systeme de communication simultanee a plusieurs directivites d'antenne

Country Status (5)

Country Link
US (1) US4538153A (fr)
CA (1) CA1202086A (fr)
FR (1) FR2512611B1 (fr)
GB (1) GB2108327B (fr)
SE (1) SE453702B (fr)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626858A (en) * 1983-04-01 1986-12-02 Kentron International, Inc. Antenna system
JPS6187434A (ja) * 1984-10-04 1986-05-02 Nec Corp 携帯無線機
GB8426010D0 (en) * 1984-10-15 1984-11-21 Memco Med Ltd Automatic control
JP2702109B2 (ja) * 1985-08-29 1998-01-21 日本電気株式会社 携帯無線機
US4821040A (en) * 1986-12-23 1989-04-11 Ball Corporation Circular microstrip vehicular rf antenna
US4835541A (en) * 1986-12-29 1989-05-30 Ball Corporation Near-isotropic low-profile microstrip radiator especially suited for use as a mobile vehicle antenna
JPH01246904A (ja) * 1988-03-28 1989-10-02 Kokusai Electric Co Ltd 小形アンテナ
US5165109A (en) * 1989-01-19 1992-11-17 Trimble Navigation Microwave communication antenna
US5245745A (en) * 1990-07-11 1993-09-21 Ball Corporation Method of making a thick-film patch antenna structure
GB9019486D0 (en) * 1990-09-06 1990-10-24 Ncr Co Antenna assembly
US5216430A (en) * 1990-12-27 1993-06-01 General Electric Company Low impedance printed circuit radiating element
EP0836241B1 (fr) * 1991-07-30 2001-08-22 Murata Manufacturing Co., Ltd. Antenne microbande à polarisation circulaire et méthode d'ajustement de sa fréquence
JP3070239B2 (ja) * 1992-03-13 2000-07-31 日産自動車株式会社 電子制御アンテナシステム
GB9410557D0 (en) * 1994-05-26 1994-07-13 Schlumberger Ind Ltd Radio antennae
TW280953B (fr) * 1994-09-15 1996-07-11 Motorola Inc
US5617102A (en) * 1994-11-18 1997-04-01 At&T Global Information Solutions Company Communications transceiver using an adaptive directional antenna
US5486836A (en) * 1995-02-16 1996-01-23 Motorola, Inc. Method, dual rectangular patch antenna system and radio for providing isolation and diversity
US5748676A (en) * 1995-05-01 1998-05-05 Norand Corporation Network utilizing modified preambles that support antenna diversity
GB9526034D0 (en) * 1995-12-20 1996-02-21 Oceonics Group Plc Patch antenna
KR970055824A (ko) * 1995-12-26 1997-07-31 김광호 페이딩 효과를 줄이기 위한 편파다이버시티 장치
US5936578A (en) * 1995-12-29 1999-08-10 Lucent Technologies Multipoint-to-point wireless system using directional antennas
US5815113A (en) * 1996-08-13 1998-09-29 Trw Inc. Monolithic, low-noise, synchronous direct detection receiver for passive microwave/millimeter-wave radiometric imaging systems
JPH10285056A (ja) * 1997-03-31 1998-10-23 Nec Corp アンテナ切替器
US6079367A (en) * 1997-10-10 2000-06-27 Dogwatch, Inc. Animal training apparatus and method
BR9912631A (pt) * 1998-07-31 2001-05-02 Ericsson Inc Aparelho de comunicações e processo para combinação em espaço livre de sinais de transmissor provenientes de uma estação celular fixa
IL145293A0 (en) * 1999-05-05 2002-06-30 Nokia Mobile Phones Ltd Slide mounted antenna
US6433742B1 (en) 2000-10-19 2002-08-13 Magis Networks, Inc. Diversity antenna structure for wireless communications
US6456245B1 (en) 2000-12-13 2002-09-24 Magis Networks, Inc. Card-based diversity antenna structure for wireless communications
US6456242B1 (en) 2001-03-05 2002-09-24 Magis Networks, Inc. Conformal box antenna
AU2002353064A1 (en) * 2001-12-07 2003-06-23 Skycross, Inc. Multiple antenna diversity for wireless lan applications
US6788264B2 (en) 2002-06-17 2004-09-07 Andrew Corporation Low profile satellite antenna
US7057558B2 (en) * 2002-06-27 2006-06-06 Matsushita Electric Industrial Co., Ltd. Antenna device
JP4363936B2 (ja) * 2002-09-26 2009-11-11 パナソニック株式会社 無線端末装置用アンテナおよび無線端末装置
JP2004128932A (ja) * 2002-10-03 2004-04-22 Matsushita Electric Ind Co Ltd アンテナ装置
US7068224B2 (en) * 2004-03-12 2006-06-27 Alien Technology Corporation Switching patch antenna
JP2006148728A (ja) * 2004-11-24 2006-06-08 Nec Corp アンテナ装置およびこれを用いた無線通信装置
JP2006279202A (ja) * 2005-03-28 2006-10-12 Toshiba Tec Corp ゲートアンテナ
US7630699B2 (en) * 2006-12-19 2009-12-08 The Boeing Company Systems and methods of scale model correction to account for antenna coupling loss
WO2008114347A1 (fr) * 2007-03-16 2008-09-25 Fujitsu Limited Procédé d'agencement d'antennes, dispositif de montage pour dispositif de communication et dispositif d'antenne
JP2015139051A (ja) * 2014-01-21 2015-07-30 日立金属株式会社 アンテナ装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1491092A (fr) * 1965-09-29 1967-08-04 Western Electric Co Récepteur radio mobile
US3478362A (en) * 1968-12-31 1969-11-11 Massachusetts Inst Technology Plate antenna with polarization adjustment
PH10896A (en) * 1972-06-01 1977-09-30 Commw Of Australia Diversity radio receiver
US4067016A (en) * 1976-11-10 1978-01-03 The United States Of America As Represented By The Secretary Of The Navy Dual notched/diagonally fed electric microstrip dipole antennas
GB2005922B (en) * 1977-10-01 1982-05-19 Secr Defence Radio antennae
FR2442519A1 (fr) * 1978-11-24 1980-06-20 Thomson Csf Source primaire monopulse imprimee pour antenne de radar aeroporte et antenne comportant une telle source
JPS5763904A (en) * 1980-10-07 1982-04-17 Toshiba Corp Microstrip type radio wave lens

Also Published As

Publication number Publication date
SE453702B (sv) 1988-02-22
GB2108327B (en) 1985-04-24
FR2512611A1 (fr) 1983-03-11
US4538153A (en) 1985-08-27
GB2108327A (en) 1983-05-11
SE8205001L (sv) 1983-03-08
CA1202086A (fr) 1986-03-18
SE8205001D0 (sv) 1982-09-02

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Legal Events

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TP Transmission of property
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