SE429280B - Flerkanaligt sendarsystem for ett mobilt kommunikationssystem - Google Patents

Flerkanaligt sendarsystem for ett mobilt kommunikationssystem

Info

Publication number
SE429280B
SE429280B SE7810726A SE7810726A SE429280B SE 429280 B SE429280 B SE 429280B SE 7810726 A SE7810726 A SE 7810726A SE 7810726 A SE7810726 A SE 7810726A SE 429280 B SE429280 B SE 429280B
Authority
SE
Sweden
Prior art keywords
transmitter
channel
bandpass filters
inputs
transmitters
Prior art date
Application number
SE7810726A
Other languages
English (en)
Swedish (sv)
Other versions
SE7810726L (sv
Inventor
K Watanabe
H Yamamoto
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of SE7810726L publication Critical patent/SE7810726L/xx
Publication of SE429280B publication Critical patent/SE429280B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Details Of Aerials (AREA)
SE7810726A 1977-10-14 1978-10-13 Flerkanaligt sendarsystem for ett mobilt kommunikationssystem SE429280B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52122469A JPS581843B2 (ja) 1977-10-14 1977-10-14 陸上移動無線基地局送信アンテナ共用方式

Publications (2)

Publication Number Publication Date
SE7810726L SE7810726L (sv) 1979-04-15
SE429280B true SE429280B (sv) 1983-08-22

Family

ID=14836610

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7810726A SE429280B (sv) 1977-10-14 1978-10-13 Flerkanaligt sendarsystem for ett mobilt kommunikationssystem

Country Status (6)

Country Link
US (1) US4211894A (de)
JP (1) JPS581843B2 (de)
CA (1) CA1127328A (de)
DE (1) DE2844776C2 (de)
GB (1) GB2006579B (de)
SE (1) SE429280B (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5660119A (en) * 1979-10-22 1981-05-23 Nippon Telegr & Teleph Corp <Ntt> Transmitting-antenna sharing system of ground mobile radio base station
SE8406489L (sv) * 1984-12-19 1986-06-20 Nordspace Ab Televisionsmottagningssystem
BR8601220A (pt) * 1986-03-19 1986-12-23 Jose Eduardo Januario De Souza Metodo e dispositivo para combinacao de transmissores de rf
DE3626862A1 (de) * 1986-08-08 1988-02-11 Philips Patentverwaltung Mehrstufige sender- antennenkoppeleinrichtung
SE460449B (sv) * 1988-02-29 1989-10-09 Ericsson Telefon Ab L M Cellindelat digitalt mobilradiosystem och foerfarande foer att oeverfoera information i ett digitalt cellindelat mobilradiosystem
GB2218597A (en) * 1988-05-12 1989-11-15 Plessey Co Plc Multichannel radio communication system
AT390702B (de) * 1988-05-20 1990-06-25 Siemens Ag Oesterreich Vorrichtung zum schnurlosen telefonieren
SE8802229D0 (sv) 1988-06-14 1988-06-14 Ericsson Telefon Ab L M Forfarande vid mobilradiostation
US5327577A (en) * 1988-06-14 1994-07-05 Telefonaktiebolaget L M Ericsson Handover method for mobile radio system
US5032804A (en) * 1989-05-22 1991-07-16 Motorola, Inc. Frequency agile transmitter antenna combiner
US5048116A (en) * 1989-05-24 1991-09-10 Motorola, Inc. Signal routing system
FR2658967B1 (fr) * 1990-02-28 1992-07-10 Dassault Avions Dispositif de couplage a une antenne commune d'au moins deux appareils emetteurs et/ou recepteurs.
GB2242805B (en) * 1990-04-06 1994-08-03 Stc Plc Handover techniques
DE4022929A1 (de) * 1990-07-19 1992-01-23 Hagenuk Telecom Gmbh Vorrichtung zur ausbildung von nebenstellanlagen
FI88660C (fi) * 1991-01-09 1993-06-10 Nokia Telecommunications Oy Radiosaendarmottagarsystem
JPH0586049U (ja) * 1991-11-12 1993-11-19 有限会社日新製作所 防振装置
US5930688A (en) * 1992-04-02 1999-07-27 Stanford Telecommunications, Inc. Method and apparatus for intermodulation noise suppression in RF power amplifiers
US5448750A (en) * 1992-04-22 1995-09-05 Telefonaktiebolaget Lm Ericsson Segregation method of dynamic channel allocation in a mobile radio system
US5491402A (en) * 1993-07-20 1996-02-13 Echelon Corporation Apparatus and method for providing AC isolation while supplying DC power
FI933720A (fi) * 1993-08-24 1995-02-25 Nokia Telecommunications Oy Menetelmä TDMA-periaatteella liikennekanaviin jaetun sektoroidun solukkoradiojärjestelmän tukiaseman liikennekapasiteetin lisäämiseksi sekä tukiasema
JP2576769B2 (ja) * 1993-09-24 1997-01-29 日本電気株式会社 地域無線通信システム
ZA948133B (en) * 1993-10-28 1996-05-17 Qualcomm Inc Method and apparatus for reducing the average transmit power from a sectorized base station
ZA948134B (en) * 1993-10-28 1995-06-13 Quaqlcomm Inc Method and apparatus for performing handoff between sectors of a common base station
US6157668A (en) * 1993-10-28 2000-12-05 Qualcomm Inc. Method and apparatus for reducing the average transmit power of a base station
GB9402942D0 (en) * 1994-02-16 1994-04-06 Northern Telecom Ltd Base station antenna arrangement
DE4411233C1 (de) * 1994-03-31 1995-02-09 Ant Nachrichtentech Frequenzkanal-Multiplexer bzw. -Demultiplexer
GB2290006A (en) * 1994-05-28 1995-12-06 Northern Telecom Ltd Base station transmitter control
FI944346A (fi) * 1994-09-19 1996-03-20 Nokia Telecommunications Oy Tukiasema
US6914965B1 (en) 1994-09-30 2005-07-05 Qualcomm Incorporated Method and apparatus of providing a single state mobile unit in a modem connection comprising a wireless link
US5933787A (en) * 1995-03-13 1999-08-03 Qualcomm Incorporated Method and apparatus for performing handoff between sectors of a common base station
GB2304496A (en) * 1995-08-17 1997-03-19 Motorola Ltd Coupling radio transmitters to antenna elements
US5781865A (en) * 1996-05-20 1998-07-14 Scientific Research Corporation PCS cell site system for allowing a plurality of PCS providers to share cell site antennas
US5825762A (en) * 1996-09-24 1998-10-20 Motorola, Inc. Apparatus and methods for providing wireless communication to a sectorized coverage area
US6363263B1 (en) * 1997-07-15 2002-03-26 Metawave Communications Corporation Universal wideband switchless channel selector
AU2780299A (en) * 1998-02-27 1999-09-15 Adicom Wireless, Inc. Method and apparatus for a distributed base station antenna system
US6934562B1 (en) * 1999-10-08 2005-08-23 Bellsouth Intellectual Property Corporation System for coupling a mobile radio service base station to an antenna
WO2001063961A1 (en) * 2000-02-22 2001-08-30 Trilithic, Inc. One-by-n switch matrix
US6804540B1 (en) * 2000-08-02 2004-10-12 Ericsson Inc. Remote band-pass filter in a distributed antenna system
GB2374251A (en) * 2001-04-04 2002-10-09 Secr Defence Base station transmitter
DE60221150T2 (de) * 2001-11-14 2008-03-20 Quintel Technology Ltd. Antennensystem
FR2832861B1 (fr) * 2001-11-23 2005-06-03 Telediffusion De France Tdf Dispositif de couplage de stations de radiocommunications sur une antenne d'emission/reception
GB0426354D0 (en) * 2004-12-01 2005-01-05 Quintel Technology Ltd Sectorisation of cellular radio
US8385293B2 (en) * 2007-08-31 2013-02-26 Samsung Electronics Co., Ltd. Cell base station neighbor list self configuration
JP5846019B2 (ja) 2012-03-30 2016-01-20 富士通株式会社 無線装置
RU175040U1 (ru) * 2017-02-01 2017-11-16 Российская Федерация, от имени которой выступает Государственная корпорация по космической деятельности "РОСКОСМОС" Приёмо-передающий модуль активной фазированной решётки

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922060A (de) * 1972-06-19 1974-02-27
JPS51130145A (en) * 1975-05-06 1976-11-12 Nippon Telegr & Teleph Corp <Ntt> Antenna duplexor
JPS5313803A (en) * 1976-07-24 1978-02-07 Nippon Telegr & Teleph Corp <Ntt> Mobile communication system
US4128740A (en) * 1977-02-14 1978-12-05 Motorola, Inc. Antenna array for a cellular RF communications system

Also Published As

Publication number Publication date
CA1127328A (en) 1982-07-06
GB2006579B (en) 1982-05-12
JPS5456341A (en) 1979-05-07
JPS581843B2 (ja) 1983-01-13
DE2844776C2 (de) 1982-11-25
GB2006579A (en) 1979-05-02
US4211894A (en) 1980-07-08
SE7810726L (sv) 1979-04-15
DE2844776A1 (de) 1979-04-19

Similar Documents

Publication Publication Date Title
SE429280B (sv) Flerkanaligt sendarsystem for ett mobilt kommunikationssystem
EP1807939B1 (de) Kommunikationssystem und -verfahren
EP0439939B1 (de) Funknetzwerk mit Schalteinrichtung zum Koppeln von Funkgeräten an eine ausgewählte Antenne aus einer Vielzahl von Antennen
CA2221560C (en) Cellular communication system having device coupling distribution of antennas to plurality of transceivers
RU2280335C2 (ru) Схема передачи для сотовой базовой станции
KR950013616B1 (ko) 신호 루팅 시스템과 신호 루팅 장치 및 그 방법
US6006113A (en) Radio signal scanning and targeting system for use in land mobile radio base sites
US4956643A (en) Transponder with selective antenna beam using shared antenna feed elements
US3518695A (en) Antenna array multifrequency and beam steering control multiplex feed
US8248977B2 (en) Routing of downlink channels in a communications satellite
EP0725498A1 (de) Radiosignalabtast- und Führungssystem für Basisstationen
US5903592A (en) Radio transmission system
EP2966785A1 (de) Antennenteilungsvorrichtung für drahtloszugangsknotensysteme in einem drahtloskommunikationsnetzwerk
EP0894372B1 (de) Kanalselektiver wiederholer fur mobiles telefonsystem
GB2304496A (en) Coupling radio transmitters to antenna elements
GB2279504A (en) Antenna system
US7835733B1 (en) Satellite telecommunication system
GB2202995A (en) R F signal distribution
JP3996578B2 (ja) 第１及び第２のアンテナネットワーク間でキャリア信号を伝送するための方法及びシステム
US4135193A (en) Directional duplexer
KR960002846B1 (ko) 위성탑재 시간-공간-시간형 교환망
US6034969A (en) Method and system for cross frame transmit combining of transmit signals
JPS6374329A (ja) 無線中継装置
JPS6216632A (ja) マルチビ−ム衛星通信方式

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7810726-5

Effective date: 19900706

Format of ref document f/p: F