DE69126235D1 - Adaptive Diversity-Einrichtung für zellulare mobile Funkfernsprechsysteme - Google Patents

Adaptive Diversity-Einrichtung für zellulare mobile Funkfernsprechsysteme

Info

Publication number
DE69126235D1
DE69126235D1 DE69126235T DE69126235T DE69126235D1 DE 69126235 D1 DE69126235 D1 DE 69126235D1 DE 69126235 T DE69126235 T DE 69126235T DE 69126235 T DE69126235 T DE 69126235T DE 69126235 D1 DE69126235 D1 DE 69126235D1
Authority
DE
Germany
Prior art keywords
mobile radio
radio telephone
cellular mobile
telephone systems
adaptive diversity
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
DE69126235T
Other languages
English (en)
Other versions
DE69126235T2 (de
Inventor
Fred G Perry
Roderick J Passmore
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.)
Ericsson Inc
Original Assignee
Ericsson GE Mobile Communications 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 Ericsson GE Mobile Communications Inc filed Critical Ericsson GE Mobile Communications Inc
Application granted granted Critical
Publication of DE69126235D1 publication Critical patent/DE69126235D1/de
Publication of DE69126235T2 publication Critical patent/DE69126235T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE69126235T 1990-04-19 1991-04-19 Adaptive Diversity-Einrichtung für zellulare mobile Funkfernsprechsysteme Expired - Fee Related DE69126235T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/511,348 US5119501A (en) 1990-04-19 1990-04-19 Adaptive diversity equipment arrangement for cellular mobile telephone systems

Publications (2)

Publication Number Publication Date
DE69126235D1 true DE69126235D1 (de) 1997-07-03
DE69126235T2 DE69126235T2 (de) 1998-01-08

Family

ID=24034509

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126235T Expired - Fee Related DE69126235T2 (de) 1990-04-19 1991-04-19 Adaptive Diversity-Einrichtung für zellulare mobile Funkfernsprechsysteme

Country Status (8)

Country Link
US (1) US5119501A (de)
EP (1) EP0454368B1 (de)
JP (1) JP2708137B2 (de)
CA (2) CA2034401C (de)
DE (1) DE69126235T2 (de)
DK (1) DK0454368T3 (de)
ES (1) ES2100932T3 (de)
HK (1) HK1007847A1 (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
FI91344C (fi) * 1991-03-05 1994-06-10 Nokia Telecommunications Oy Solukkoradioverkko, tukiasema sekä menetelmä liikennekapasiteetin säätämiseksi alueellisesti solukkoradioverkossa
JP2949533B2 (ja) * 1991-09-03 1999-09-13 日本電信電話株式会社 移動通信無線ゾーン構成方法
GB2271246B (en) * 1992-10-03 1997-02-12 Motorola Ltd Sectorized cellular radio base station antenna
GB2281479B (en) * 1993-08-27 1997-09-03 Nokia Telecommunications Oy Radio receiving apparatus
FI934052A (fi) * 1993-09-15 1995-03-16 Nokia Telecommunications Oy Menetelmä radiovastaanotinyksikön toiminnan valvomiseksi sekä vastaanotinyksikkö
JP3989532B2 (ja) * 1993-09-30 2007-10-10 スカイワークス ソリューションズ，インコーポレイテッド ディジタルコードレス電話のための複数アンテナホームベース
US5481571A (en) * 1993-11-12 1996-01-02 Pacific Communication Sciences, Inc. Method and apparatus for switching between radio frequency circuits
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
US5640695A (en) * 1994-06-14 1997-06-17 Electrocom Communication Systems L.P. Multibranched selectively combined diversity controller
US5737689A (en) * 1994-06-14 1998-04-07 Telefonaktiebolaget Lm Ericsson Method for preventing calls of bad quality from being disconnected in a cellular mobile radio system
US5586170A (en) * 1994-08-19 1996-12-17 Georgia Tech Research Corporation Cellular devices, systems and methods using intercell macro-diversity and dynamic channel allocation
US5649306A (en) * 1994-09-16 1997-07-15 Motorola, Inc. Portable radio housing incorporating diversity antenna structure
GB2294609B (en) * 1994-10-26 1999-01-27 Northern Telecom Ltd A base station arrangement
FI956060A (fi) * 1995-12-15 1997-06-16 Nokia Telecommunications Oy Sektoroitu tukiasema
FI107485B (fi) * 1996-04-17 2001-08-15 Nokia Mobile Phones Ltd Diversiteettimenetelmä, radiovastaanotin ja radiojärjestelmä
JP3076252B2 (ja) * 1996-11-25 2000-08-14 日本電気株式会社 セルラー移動通信システムにおける多セクター切替制御装置
US5991282A (en) * 1997-05-28 1999-11-23 Telefonaktiebolaget Lm Ericsson Radio communication system with diversity reception on a time-slot by time-slot basis
SE9702370L (sv) * 1997-06-19 1998-12-20 Ericsson Telefon Ab L M Balanserad diversitet
US5991643A (en) * 1997-11-28 1999-11-23 Acer Peripherals, Inc. Radio transceiver having switchable antennas
DE19825536B4 (de) * 1998-06-08 2005-05-19 IQ wireless GmbH, Entwicklungsgesellschaft für Systeme und Technologien der Telekommunikation Verfahren und Vorrichtung für ein vollduplexfähiges Funkübertragungssystem mit CDMA-Zugriff
DE19906867C1 (de) * 1999-02-18 2000-07-06 Weidmueller Interface Verfahren und Vorrichtung zur seriellen Datenübertragung
US7024168B1 (en) 1999-07-07 2006-04-04 Telefonaktiebolaget L M Ericsson (Publ) Controlled antenna diversity
US7123876B2 (en) * 2001-11-01 2006-10-17 Motia Easy set-up, vehicle mounted, in-motion tracking, satellite antenna
US6862434B2 (en) * 2002-07-26 2005-03-01 Qualcomm Inc. Transmission diversity systems
DE10311836B4 (de) * 2003-03-18 2006-10-05 Integrated Electronic Systems !Sys Consulting Gmbh Ferngesteuertes Industriegerät

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60223336A (ja) * 1984-04-20 1985-11-07 Matsushita Electric Ind Co Ltd 角度ダイバ−シテイ受信装置
JPS6163120A (ja) * 1984-09-05 1986-04-01 Matsushita Electric Ind Co Ltd 基地局受信装置
US4823398A (en) * 1985-12-23 1989-04-18 Kazuya Hashimoto Diversity receiver
US4694484A (en) * 1986-02-18 1987-09-15 Motorola, Inc. Cellular radiotelephone land station
US4726050A (en) * 1986-02-18 1988-02-16 Motorola, Inc. Scanning receiver allocation method and apparatus for cellular radiotelephone systems
US4704734A (en) * 1986-02-18 1987-11-03 Motorola, Inc. Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems
US4797947A (en) * 1987-05-01 1989-01-10 Motorola, Inc. Microcellular communications system using macrodiversity
US4881082A (en) * 1988-03-03 1989-11-14 Motorola, Inc. Antenna beam boundary detector for preliminary handoff determination

Also Published As

Publication number Publication date
DK0454368T3 (da) 1997-06-30
US5119501A (en) 1992-06-02
JPH066276A (ja) 1994-01-14
EP0454368A2 (de) 1991-10-30
EP0454368A3 (en) 1992-12-02
ES2100932T3 (es) 1997-07-01
CA2034401C (en) 1999-11-16
CA2040061A1 (en) 1991-10-20
HK1007847A1 (en) 1999-04-23
JP2708137B2 (ja) 1998-02-04
DE69126235T2 (de) 1998-01-08
EP0454368B1 (de) 1997-05-28
CA2034401A1 (en) 1991-10-20

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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