CA2053595A1 - Systeme de communication microcellulaire a reception en diversite - Google Patents

Systeme de communication microcellulaire a reception en diversite

Info

Publication number
CA2053595A1
CA2053595A1 CA2053595A CA2053595A CA2053595A1 CA 2053595 A1 CA2053595 A1 CA 2053595A1 CA 2053595 A CA2053595 A CA 2053595A CA 2053595 A CA2053595 A CA 2053595A CA 2053595 A1 CA2053595 A1 CA 2053595A1
Authority
CA
Canada
Prior art keywords
microcellular
station
frequency
main base
base station
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.)
Granted
Application number
CA2053595A
Other languages
English (en)
Other versions
CA2053595C (fr
Inventor
Alexander Gordon
George Philip Vella-Coleiro
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2053595A1 publication Critical patent/CA2053595A1/fr
Application granted granted Critical
Publication of CA2053595C publication Critical patent/CA2053595C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0837—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
    • H04B7/084—Equal gain combining, only phase adjustments

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CA002053595A 1990-12-20 1991-10-16 Systeme de communication microcellulaire a reception en diversite Expired - Fee Related CA2053595C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/630,674 US5067173A (en) 1990-12-20 1990-12-20 Microcellular communications system using space diversity reception
US630,674 1990-12-20

Publications (2)

Publication Number Publication Date
CA2053595A1 true CA2053595A1 (fr) 1992-06-21
CA2053595C CA2053595C (fr) 1994-07-19

Family

ID=24528119

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002053595A Expired - Fee Related CA2053595C (fr) 1990-12-20 1991-10-16 Systeme de communication microcellulaire a reception en diversite

Country Status (5)

Country Link
US (1) US5067173A (fr)
EP (1) EP0492851B1 (fr)
JP (1) JP2520530B2 (fr)
CA (1) CA2053595C (fr)
DE (1) DE69121539T2 (fr)

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JPH07264650A (ja) * 1994-03-18 1995-10-13 Fujitsu Ltd 小型基地局を備えた移動通信システム
CA2191957A1 (fr) * 1994-06-03 1995-12-21 Berth Jonas Karlsson Systeme de combinaison en diversite pour antennes
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EP0762674A3 (fr) * 1995-09-08 2001-03-21 Siemens Aktiengesellschaft Méthode et circuit pour la transmission de signaux reçus d'une antenne à une station de base d'un système radio
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US5809422A (en) * 1996-03-08 1998-09-15 Watkins Johnson Company Distributed microcellular communications system
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US6016426A (en) * 1996-10-10 2000-01-18 Mvs, Incorporated Method and system for cellular communication with centralized control and signal processing
CA2188845A1 (fr) * 1996-10-25 1998-04-25 Stephen Ross Todd Sélection d'une antenne fonctionnant en diversité
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US5844705A (en) * 1997-02-13 1998-12-01 At&T Corp Wireless communications systems employing free-space optical communications links
US6112086A (en) * 1997-02-25 2000-08-29 Adc Telecommunications, Inc. Scanning RSSI receiver system using inverse fast fourier transforms for a cellular communications system with centralized base stations and distributed antenna units
US6374124B1 (en) 1997-12-24 2002-04-16 Transcept, Inc. Dynamic reallocation of transceivers used to interconnect wireless telephones to a broadband network
US6223021B1 (en) * 1997-12-24 2001-04-24 Transcept, Inc. Signal filtering in a transceiver for a wireless telephone system
US6301240B1 (en) 1998-02-19 2001-10-09 Transcept, Inc. Centrally located equipment for wireless telephone system
US6122529A (en) * 1998-03-17 2000-09-19 Transcept, Inc. Simulcast with hierarchical cell structure overlay
US6336042B1 (en) 1998-06-05 2002-01-01 Transcept, Inc. Reverse link antenna diversity in a wireless telephony system
US6268946B1 (en) * 1998-07-01 2001-07-31 Radio Frequency Systems, Inc. Apparatus for communicating diversity signals over a transmission medium
US6088570A (en) * 1998-11-24 2000-07-11 Airnet Communications Corporation Method and apparatus employing delay elements in multiple diversity paths of a wireless system repeater translator to allow for selective diversity and automatic level control in a time-division multiple access system
US6504831B1 (en) 1999-02-23 2003-01-07 Lockhead Martin Corporation Optical simulcast network with centralized call processing
US7969965B2 (en) 1999-04-21 2011-06-28 Lgc Wireless, Inc. Architecture for signal and power distribution in wireless data network
US6587479B1 (en) 1999-04-21 2003-07-01 Opencell Corp. Architecture for signal distribution in wireless data network
US8379569B2 (en) * 1999-04-21 2013-02-19 Adc Telecommunications, Inc. Architecture for signal distribution in wireless data network
US6704545B1 (en) 2000-07-19 2004-03-09 Adc Telecommunications, Inc. Point-to-multipoint digital radio frequency transport
US20070259636A1 (en) * 2000-10-27 2007-11-08 Fisher Daniel E RF bridge for an angle rate interferometer
JP2002141861A (ja) * 2000-11-02 2002-05-17 Yozan Inc 光通信システム
KR100352852B1 (ko) * 2000-12-22 2002-09-16 엘지전자 주식회사 광기지국용 수신신호 전송장치
US7127175B2 (en) * 2001-06-08 2006-10-24 Nextg Networks Method and apparatus for multiplexing in a wireless communication infrastructure
US20020191565A1 (en) * 2001-06-08 2002-12-19 Sanjay Mani Methods and systems employing receive diversity in distributed cellular antenna applications
US7228072B2 (en) * 2001-10-16 2007-06-05 Telefonaktiebolaget Lm Ericsson (Publ) System and method for integrating a fiber optic fixed access network and a fiber optic radio access network
US7184728B2 (en) 2002-02-25 2007-02-27 Adc Telecommunications, Inc. Distributed automatic gain control system
US7263293B2 (en) * 2002-06-10 2007-08-28 Andrew Corporation Indoor wireless voice and data distribution system
US20040198453A1 (en) 2002-09-20 2004-10-07 David Cutrer Distributed wireless network employing utility poles and optical signal distribution
US20040057543A1 (en) * 2002-09-24 2004-03-25 Arie Huijgen Synchronizing radio units in a main-remote radio base station and in a hybrid radio base station
US7047028B2 (en) * 2002-11-15 2006-05-16 Telefonaktiebolaget Lm Ericsson (Publ) Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station
US7171244B2 (en) * 2002-12-03 2007-01-30 Adc Telecommunications, Inc. Communication system and method with gain control for signals from distributed antennas
US7103377B2 (en) * 2002-12-03 2006-09-05 Adc Telecommunications, Inc. Small signal threshold and proportional gain distributed digital communications
US8958789B2 (en) * 2002-12-03 2015-02-17 Adc Telecommunications, Inc. Distributed digital antenna system
CA2545517C (fr) * 2004-03-11 2014-05-06 Telefonaktiebolaget Lm Ericsson (Publ) Systeme d'antennes en diversite
DE602004012331T2 (de) * 2004-06-15 2009-03-19 Telefonaktiebolaget Lm Ericsson (Publ) Antennen-diversity-anordnung und -verfahren
DE102004062000A1 (de) * 2004-12-23 2006-07-06 Robert Bosch Gmbh Antennendiversity-Einrichtung
US20070152872A1 (en) * 2005-12-30 2007-07-05 Woodington Walter G Reducing undesirable coupling of signal(s) between two or more signal paths in a radar system
US7599711B2 (en) * 2006-04-12 2009-10-06 Adc Telecommunications, Inc. Systems and methods for analog transport of RF voice/data communications
US8737454B2 (en) 2007-01-25 2014-05-27 Adc Telecommunications, Inc. Modular wireless communications platform
US8583100B2 (en) 2007-01-25 2013-11-12 Adc Telecommunications, Inc. Distributed remote base station system
US8260144B2 (en) 2008-03-12 2012-09-04 Hypres Inc. Digital radio frequency tranceiver system and method
US9001811B2 (en) * 2009-05-19 2015-04-07 Adc Telecommunications, Inc. Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes
JP5373690B2 (ja) * 2010-04-16 2013-12-18 パナソニック株式会社 通信システム、メインユニット、無線アクセスユニット及び通信方法
US9577341B2 (en) 2013-11-12 2017-02-21 Harris Corporation Microcellular communications antenna and associated methods
EP3108627A4 (fr) 2014-02-18 2017-10-11 CommScope Technologies LLC Combinaison sélective de signaux en liaison montante dans des systèmes d'antennes distribués
US10499269B2 (en) 2015-11-12 2019-12-03 Commscope Technologies Llc Systems and methods for assigning controlled nodes to channel interfaces of a controller
US10581172B2 (en) 2017-09-20 2020-03-03 Harris Corporation Communications antenna and associated methods
US10720710B2 (en) 2017-09-20 2020-07-21 Harris Corporation Managed access system including surface wave antenna and related methods

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US4156873A (en) * 1977-07-25 1979-05-29 Motorola, Inc. Transponder for a moving vehicle tracking system
JPS55143854A (en) * 1979-04-26 1980-11-10 Nippon Telegr & Teleph Corp <Ntt> Mobile radio space diversity system using optical fiber
US4748682A (en) * 1985-01-08 1988-05-31 Mitsubishi Denki Kabushiki Kaisha Combined diversity receiving apparatus
DE3634439A1 (de) * 1986-10-09 1988-04-14 Blaupunkt Werke Gmbh Verfahren und schaltungsanordnung zum empfang von radiowellen
DE3741698A1 (de) * 1987-12-09 1989-06-29 Blaupunkt Werke Gmbh Empfaenger fuer radiowellen mit mehreren antennen
CA2008900C (fr) * 1989-04-04 1998-01-20 Ta-Shing Chu Radio mobile microcellulaire a fibre optique

Also Published As

Publication number Publication date
CA2053595C (fr) 1994-07-19
JPH04302546A (ja) 1992-10-26
JP2520530B2 (ja) 1996-07-31
US5067173A (en) 1991-11-19
EP0492851B1 (fr) 1996-08-21
EP0492851A3 (en) 1993-04-28
DE69121539T2 (de) 1997-01-16
DE69121539D1 (de) 1996-09-26
EP0492851A2 (fr) 1992-07-01

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