DE69101733D1 - Verfahren zur Auswahl der besten Empfangsantenne aus zwei oder mehreren Empfangsantennen. - Google Patents

Verfahren zur Auswahl der besten Empfangsantenne aus zwei oder mehreren Empfangsantennen.

Info

Publication number
DE69101733D1
DE69101733D1 DE69101733T DE69101733T DE69101733D1 DE 69101733 D1 DE69101733 D1 DE 69101733D1 DE 69101733 T DE69101733 T DE 69101733T DE 69101733 T DE69101733 T DE 69101733T DE 69101733 D1 DE69101733 D1 DE 69101733D1
Authority
DE
Germany
Prior art keywords
selecting
receiving
receiving antenna
antennas
receiving antennas
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 - Fee Related
Application number
DE69101733T
Other languages
English (en)
Other versions
DE69101733T2 (de
Inventor
Bjoern Olof Peter Ekelund
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 DE69101733D1 publication Critical patent/DE69101733D1/de
Application granted granted Critical
Publication of DE69101733T2 publication Critical patent/DE69101733T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/08—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
    • H04B7/0817—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 multiple receivers and antenna path selection
    • H04B7/082—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 multiple receivers and antenna path selection selecting best antenna path
DE69101733T 1990-04-10 1991-03-14 Verfahren zur Auswahl der besten Empfangsantenne aus zwei oder mehreren Empfangsantennen. Expired - Fee Related DE69101733T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9001311A SE465991B (sv) 1990-04-10 1990-04-10 Foerfarande foer att i en mottagare vaelja den laempligaste av tvaa eller flera antenner

Publications (2)

Publication Number Publication Date
DE69101733D1 true DE69101733D1 (de) 1994-05-26
DE69101733T2 DE69101733T2 (de) 1994-08-11

Family

ID=20379149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69101733T Expired - Fee Related DE69101733T2 (de) 1990-04-10 1991-03-14 Verfahren zur Auswahl der besten Empfangsantenne aus zwei oder mehreren Empfangsantennen.

Country Status (10)

Country Link
US (1) US5203026A (de)
EP (1) EP0452289B1 (de)
JP (1) JP3161742B2 (de)
KR (1) KR960015281B1 (de)
AU (1) AU633415B2 (de)
CA (1) CA2040102C (de)
DE (1) DE69101733T2 (de)
HK (1) HK81294A (de)
NZ (1) NZ237436A (de)
SE (1) SE465991B (de)

Families Citing this family (26)

* 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
FI90703C (fi) * 1992-02-14 1994-03-10 Nokia Mobile Phones Ltd Diversiteettiboosteri
US5561673A (en) * 1993-04-16 1996-10-01 Matsushita Electric Industrial Co., Ltd. Antenna switched diversity reciever
GB2281479B (en) * 1993-08-27 1997-09-03 Nokia Telecommunications Oy Radio receiving apparatus
EP0989697B1 (de) * 1993-09-30 2004-06-30 Skyworks Solutions, Inc. Basisstation für ein digitales schnurloses Telefon mit Mehrfachantennenanordnung
US5481571A (en) * 1993-11-12 1996-01-02 Pacific Communication Sciences, Inc. Method and apparatus for switching between radio frequency circuits
DE4421643C2 (de) 1994-06-21 1999-09-02 Siemens Ag Antenna Diversity-Funkempfangsanordnung für Telekommunikationssysteme mit einer blockorientierten Übertragung von Funknachrichten und Antennenauswahlverfahren in einer derartigen Antenna Diversity-Funkempfangsanordnung
US5550872A (en) * 1994-10-24 1996-08-27 Motorola, Inc. Method and apparatus for Fast Fourier Transform based maximal ratio combining
GB2297013B (en) 1995-01-10 1999-09-15 Nokia Mobile Phones Ltd Portable radio telephones and methods of operation
US5577031A (en) * 1995-03-22 1996-11-19 Smith; Jeffrey W. Wideband channelizer incorporating diversity switch
US5748676A (en) * 1995-05-01 1998-05-05 Norand Corporation Network utilizing modified preambles that support antenna diversity
EP0741466A3 (de) * 1995-05-03 1996-12-18 Hughes Aircraft Co Verfahren und Vorrichtung zur adaptiven Antennenauswahl in einem mobilen Funkkommunikationssystem
US5796777A (en) * 1996-02-27 1998-08-18 Motorola, Inc. Apparatus and method for digitizing and detecting a received radio frequency signal
GB2311693B (en) * 1996-03-29 2000-06-21 Nokia Mobile Phones Ltd Antenna selection control circuitry
DE19618755C2 (de) * 1996-05-09 2001-02-22 Becker Gmbh Rundfunkempfangssystem
US6128355A (en) * 1997-05-21 2000-10-03 Telefonaktiebolget Lm Ericsson Selective diversity combining
SE9702370L (sv) * 1997-06-19 1998-12-20 Ericsson Telefon Ab L M Balanserad diversitet
US6115367A (en) * 1997-08-05 2000-09-05 Vlsi Technology, Inc. Methods of analyzing a radio signal and methods of analyzing a personal handy-phone system radio signal
US7740257B2 (en) * 1998-07-29 2010-06-22 Angela Kate Haire Vehicle suspension with linked air bags
DE19935675A1 (de) * 1999-07-29 2001-02-15 Bosch Gmbh Robert Schaltung zum Umschalten zwischen Empfangsantennen
DE10034039A1 (de) * 2000-07-13 2002-01-31 Harman Becker Automotive Sys Runddfunkempfangssystem, Empfänger und Betriebsverfahren dafür
US20020052201A1 (en) * 2000-10-31 2002-05-02 Leif Wilhelmsson Method and system for dynamic carrier selection
GB0105019D0 (en) * 2001-03-01 2001-04-18 Koninkl Philips Electronics Nv Antenna diversity in a wireless local area network
US7747232B2 (en) * 2001-07-13 2010-06-29 Harman Becker Automotive Systems Gmbh Radio reception system with automatic tuning
DE10226512A1 (de) * 2002-06-14 2003-12-24 Philips Intellectual Property Antennendiversity-Empfangsanlage und Verfahren zur Auswahl einer von mehreren Antennen
EP1911171A1 (de) * 2005-07-29 2008-04-16 The Governors of the University of Alberta Antennenauswahlvorrichtungen und verfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475688A (en) * 1966-01-18 1969-10-28 Us Army Multichannel receiving system in which each channel's weight in the combined output depends on the rate of fading in said channels
US4328591A (en) * 1979-04-23 1982-05-04 Baghdady Elie J Method and apparatus for signal detection, separation and suppression
US4549311A (en) * 1982-08-03 1985-10-22 Motorola, Inc. Method and apparatus for measuring the strength of a radio signal frequency
JPS59181732A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 携帯用無線機におけるダイバ−シチ−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
US4531235A (en) * 1983-06-20 1985-07-23 Motorola, Inc. Diversity signal strength indicator and site selection apparatus for using same
US4710945A (en) * 1986-04-30 1987-12-01 Motorola, Inc. Signal selection by statistical comparison
US4977616A (en) * 1987-11-30 1990-12-11 Motorola, Inc. Antenna selection control circuit
CA1292584C (en) * 1987-11-30 1991-11-26 Henry Ludwig Kazecki Antenna selection control circuit

Also Published As

Publication number Publication date
CA2040102C (en) 1999-09-21
CA2040102A1 (en) 1991-10-11
HK81294A (en) 1994-08-19
NZ237436A (en) 1992-11-25
SE9001311L (sv) 1991-10-11
SE9001311D0 (sv) 1990-04-10
SE465991B (sv) 1991-11-25
US5203026A (en) 1993-04-13
KR960015281B1 (ko) 1996-11-07
DE69101733T2 (de) 1994-08-11
JPH0795183A (ja) 1995-04-07
EP0452289A1 (de) 1991-10-16
EP0452289B1 (de) 1994-04-20
AU7417091A (en) 1991-10-17
AU633415B2 (en) 1993-01-28
JP3161742B2 (ja) 2001-04-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee