DK508986A - Multipel modtagning, der er styret af signalkvaliteten - Google Patents

Multipel modtagning, der er styret af signalkvaliteten

Info

Publication number
DK508986A
DK508986A DK508986A DK508986A DK508986A DK 508986 A DK508986 A DK 508986A DK 508986 A DK508986 A DK 508986A DK 508986 A DK508986 A DK 508986A DK 508986 A DK508986 A DK 508986A
Authority
DK
Denmark
Prior art keywords
signal quality
multiple reception
managed
reception managed
quality
Prior art date
Application number
DK508986A
Other languages
English (en)
Other versions
DK508986D0 (da
Inventor
Eugene Joseph Bruckert
James Steven Butcher
Thomas Frederick Kneisel
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
Publication of DK508986D0 publication Critical patent/DK508986D0/da
Publication of DK508986A publication Critical patent/DK508986A/da

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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
    • H04B7/08—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
DK508986A 1985-03-15 1986-10-24 Multipel modtagning, der er styret af signalkvaliteten DK508986A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/712,285 US4584713A (en) 1983-07-06 1985-03-15 Signal quality steered diversity
PCT/US1986/000331 WO1986005639A1 (en) 1985-03-15 1986-02-18 Signal quality steered diversity

Publications (2)

Publication Number Publication Date
DK508986D0 DK508986D0 (da) 1986-10-24
DK508986A true DK508986A (da) 1986-10-24

Family

ID=24861490

Family Applications (1)

Application Number Title Priority Date Filing Date
DK508986A DK508986A (da) 1985-03-15 1986-10-24 Multipel modtagning, der er styret af signalkvaliteten

Country Status (9)

Country Link
US (1) US4584713A (da)
EP (1) EP0218605A4 (da)
JP (1) JPS62502231A (da)
KR (1) KR880700556A (da)
CN (1) CN86101654A (da)
AU (1) AU5513786A (da)
CA (1) CA1242250A (da)
DK (1) DK508986A (da)
WO (1) WO1986005639A1 (da)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168574A (en) * 1987-08-03 1992-12-01 Orion Industries, Inc. System and method for switching between antennas in a radio frequency booster
DE3827310C2 (de) * 1987-08-12 1995-06-22 Pioneer Electronic Corp Verfahren zur Steuerung der Frequenzabstimmung eines Rundfunkdatensystem-Empfängers
US5243356A (en) * 1988-08-05 1993-09-07 Seiko Epson Corporation Antenna circuit and wrist radio instrument
US5048116A (en) * 1989-05-24 1991-09-10 Motorola, Inc. Signal routing system
US5036515A (en) * 1989-05-30 1991-07-30 Motorola, Inc. Bit error rate detection
DE4001592A1 (de) * 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
US5109536A (en) * 1989-10-27 1992-04-28 Motorola, Inc. Single-block filter for antenna duplexing and antenna-summed diversity
FR2655801B1 (fr) * 1989-12-08 1992-03-13 Charbonnages De France Procede et dispositif de transmission de signaux video en milieu confine.
US5621769A (en) * 1992-06-08 1997-04-15 Novatel Communications Ltd. Adaptive-sequence-estimation apparatus employing diversity combining/selection
SE513422C2 (sv) * 1992-08-21 2000-09-11 Ericsson Telefon Ab L M Förfarande för bildande av kvalitetsmått för signalskurar
US5430769A (en) * 1992-11-23 1995-07-04 Motorola, Inc. Method and apparatus for controlling switched antenna diversity systems
ATE240618T1 (de) * 1993-09-30 2003-05-15 Conexant Systems Inc Basisstation für ein digitales schnurloses telefon mit mehrfachantennenanordnung
US5530926A (en) * 1993-10-04 1996-06-25 Motorola, Inc. Method for operating a switched diversity RF receiver
DE4437490C2 (de) * 1993-12-02 1996-07-25 Gros Gerhard Hochfrequenz-Empfangseinrichtung für besondere Sicherheitsanforderungen
CN1092847C (zh) * 1994-09-14 2002-10-16 皇家菲利浦电子有限公司 无线电传输系统和供这种系统使用的无线电设备
US5940452A (en) * 1995-11-29 1999-08-17 Motorola, Inc. Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor
US6023615A (en) * 1995-11-29 2000-02-08 Motorola, Inc. Method for controlling a diversity receiver apparatus in a radio subscriber unit
US6018651A (en) * 1995-11-29 2000-01-25 Motorola, Inc. Radio subscriber unit having a switched antenna diversity apparatus and method therefor
US6079367A (en) * 1997-10-10 2000-06-27 Dogwatch, Inc. Animal training apparatus and method
US5940454A (en) * 1997-12-17 1999-08-17 Nortel Networks Corporation Blind switch diversity control apparatus
US6360088B1 (en) * 1998-09-23 2002-03-19 Ericsson Inc. Antenna diversity switching system and method for selecting an antenna through a programmed evaluation
DE19953728B4 (de) * 1999-11-08 2007-03-08 Harman Becker Automotive Systems Gmbh Verfahren zur Auswahl einer von mehreren Antennen in einer Antennendiversity-Empfangsanlage sowie Antennendiversity-Empfangsanlage
US6486828B1 (en) 2000-07-26 2002-11-26 Western Multiplex Adaptive array antenna nulling
JP4405514B2 (ja) * 2003-09-15 2010-01-27 エルジー テレコム， リミテッド 移動通信端末のビームスイッチングアンテナシステム及びその制御方法
CN102457311B (zh) * 2010-10-19 2014-12-17 瑞昱半导体股份有限公司 天线分集系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628149A (en) * 1968-12-19 1971-12-14 Bell Telephone Labor Inc Diversity switch for digital transmission
US3651406A (en) * 1969-10-03 1972-03-21 Magnavox Co System for plural channel signal reception and readout and method of operation
DE2360929C2 (de) * 1973-12-06 1975-07-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Auswahl eines Diversitykanals über den Daten in Form von Bits übertragen werden
JPS5439093B2 (da) * 1974-08-24 1979-11-26
JPS5732535B2 (da) * 1975-02-17 1982-07-12
JPS58202642A (ja) * 1982-05-21 1983-11-25 Nec Corp スペ−スダイバ−シテイ受信装置
EP0148258A1 (en) * 1983-07-06 1985-07-17 Motorola, Inc. Signal quality steered diversity
US4584709A (en) * 1983-07-06 1986-04-22 Motorola, Inc. Homotropic antenna system for portable radio

Also Published As

Publication number Publication date
WO1986005639A1 (en) 1986-09-25
DK508986D0 (da) 1986-10-24
AU5513786A (en) 1986-10-13
CA1242250A (en) 1988-09-20
JPS62502231A (ja) 1987-08-27
KR880700556A (ko) 1988-03-15
EP0218605A4 (en) 1987-10-08
CN86101654A (zh) 1987-02-04
EP0218605A1 (en) 1987-04-22
US4584713A (en) 1986-04-22

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment