ATE95651T1 - Steuerschaltung zur antennenauswahl. - Google Patents

Steuerschaltung zur antennenauswahl.

Info

Publication number
ATE95651T1
ATE95651T1 AT88116118T AT88116118T ATE95651T1 AT E95651 T1 ATE95651 T1 AT E95651T1 AT 88116118 T AT88116118 T AT 88116118T AT 88116118 T AT88116118 T AT 88116118T AT E95651 T1 ATE95651 T1 AT E95651T1
Authority
AT
Austria
Prior art keywords
antenna
interest
control circuit
monitored during
information
Prior art date
Application number
AT88116118T
Other languages
English (en)
Inventor
Donald L Linder
Steve Howard Goode
Henry Ludwig Kazecki
Donald William Dennis
James Clark Baker
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE95651T1 publication Critical patent/ATE95651T1/de

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
    • H04B7/0802—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 antenna selection
    • H04B7/0805—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 antenna selection with single receiver and antenna switching
    • H04B7/0814—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 antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0805—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 antenna selection with single receiver and antenna switching
    • H04B7/0808—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 antenna selection with single receiver and antenna switching comparing all antennas before reception
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0805—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 antenna selection with single receiver and antenna switching
    • H04B7/0808—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 antenna selection with single receiver and antenna switching comparing all antennas before reception
    • H04B7/0811—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 antenna selection with single receiver and antenna switching comparing all antennas before reception during preamble or gap period

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Burglar Alarm Systems (AREA)
AT88116118T 1987-11-30 1988-09-29 Steuerschaltung zur antennenauswahl. ATE95651T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12654887A 1987-11-30 1987-11-30
EP88116118A EP0318665B1 (de) 1987-11-30 1988-09-29 Steuerschaltung zur Antennenauswahl

Publications (1)

Publication Number Publication Date
ATE95651T1 true ATE95651T1 (de) 1993-10-15

Family

ID=22425420

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88116118T ATE95651T1 (de) 1987-11-30 1988-09-29 Steuerschaltung zur antennenauswahl.

Country Status (6)

Country Link
EP (1) EP0318665B1 (de)
JP (1) JP2719575B2 (de)
AT (1) ATE95651T1 (de)
CA (1) CA1292584C (de)
DE (1) DE3884765T2 (de)
HK (1) HK18997A (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2552928B2 (ja) * 1990-01-31 1996-11-13 三菱電機株式会社 アンテナ選択ダイバーシチ受信装置
SE465991B (sv) * 1990-04-10 1991-11-25 Ericsson Telefon Ab L M Foerfarande foer att i en mottagare vaelja den laempligaste av tvaa eller flera antenner
DE69103196T2 (de) * 1990-04-27 1995-02-23 Nippon Telegraph & Telephone Antennenauswahl-Diversity-Empfangssystem.
JPH0787445B2 (ja) * 1990-08-01 1995-09-20 三菱電機株式会社 アンテナ選択ダイバーシティ受信装置
JP3260781B2 (ja) * 1990-09-06 2002-02-25 ルーセント テクノロジーズ インコーポレイテッド アンテナ組立体
GB9019487D0 (en) * 1990-09-06 1990-10-24 Ncr Co Carrier detection for a wireless local area network
GB9019486D0 (en) * 1990-09-06 1990-10-24 Ncr Co Antenna assembly
GB9019489D0 (en) * 1990-09-06 1990-10-24 Ncr Co Antenna control for a wireless local area network station
NZ239733A (en) * 1990-09-21 1994-04-27 Ericsson Ge Mobile Communicat Mobile telephone diversity reception with predetect signal combination
US5369801A (en) * 1992-09-25 1994-11-29 Northern Telecom Limited Antenna diversity reception in wireless personal communications
US5740526A (en) * 1994-06-01 1998-04-14 Bonta; Jeffrey D. Method and apparatus for selecting two antennas from which to receive a communication signal
JPH09507371A (ja) * 1994-10-17 1997-07-22 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ ワイヤレスデジタル通信システム、無線装置、デジタルスピーカ及びデジタルスピーカ制御装置
GB2308530B (en) 1995-12-21 2000-03-22 Nokia Mobile Phones Ltd Antenna selection control circuitry
GB2311693B (en) 1996-03-29 2000-06-21 Nokia Mobile Phones Ltd Antenna selection control circuitry
CA2188845A1 (en) * 1996-10-25 1998-04-25 Stephen Ross Todd Selection of an antenna operating in diversity
JP2005142866A (ja) 2003-11-06 2005-06-02 Matsushita Electric Ind Co Ltd アンテナ選択ダイバーシチ装置及び受信方法
EP1876671B1 (de) * 2005-04-13 2012-01-04 Panasonic Corporation Adaptive antennenvorrichtung und drahtlose kommunikationsvorrichtung
JP6755481B2 (ja) * 2015-03-12 2020-09-16 国立大学法人室蘭工業大学 追尾アンテナシステム、飛翔体および追尾アンテナ装置
WO2023179432A1 (zh) * 2022-03-24 2023-09-28 荣耀终端有限公司 天线切换方法及终端设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456312A (en) * 1977-09-29 1979-05-07 Nec Corp Diversity device
JPS5779739A (en) * 1980-11-05 1982-05-19 Fujitsu Ltd Space diversity reception system
JPS5942227B2 (ja) * 1981-04-06 1984-10-13 イソライト・バブコツク耐火株式会社 耐火断熱構造体の形成方法
JPS5827444A (ja) * 1981-08-12 1983-02-18 Matsushita Electric Ind Co Ltd ダイバ−シテイ受信装置
JPS58202642A (ja) * 1982-05-21 1983-11-25 Nec Corp スペ−スダイバ−シテイ受信装置
JPS59178830A (ja) * 1983-03-29 1984-10-11 Meisei Electric Co Ltd デ−タの無線伝送受信方式
US4513412A (en) * 1983-04-25 1985-04-23 At&T Bell Laboratories Time division adaptive retransmission technique for portable radio telephones
JPS62141233U (de) * 1986-02-28 1987-09-05

Also Published As

Publication number Publication date
EP0318665A3 (en) 1990-07-25
JPH01189248A (ja) 1989-07-28
EP0318665B1 (de) 1993-10-06
JP2719575B2 (ja) 1998-02-25
DE3884765D1 (de) 1993-11-11
DE3884765T2 (de) 1994-01-27
CA1292584C (en) 1991-11-26
HK18997A (en) 1997-02-20
EP0318665A2 (de) 1989-06-07

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties