DE3574547D1 - Verfahren zur herstellung einer relais-fernsprechverbindung zwischen einer mobilen einheit und einer ortsfesten station und dafuer geeigneter verstaerker. - Google Patents

Verfahren zur herstellung einer relais-fernsprechverbindung zwischen einer mobilen einheit und einer ortsfesten station und dafuer geeigneter verstaerker.

Info

Publication number
DE3574547D1
DE3574547D1 DE8585107717T DE3574547T DE3574547D1 DE 3574547 D1 DE3574547 D1 DE 3574547D1 DE 8585107717 T DE8585107717 T DE 8585107717T DE 3574547 T DE3574547 T DE 3574547T DE 3574547 D1 DE3574547 D1 DE 3574547D1
Authority
DE
Germany
Prior art keywords
amplifier
producing
mobile unit
fixed station
telecommunication connection
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
DE8585107717T
Other languages
English (en)
Inventor
Yoshitake Matsuo
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3574547D1 publication Critical patent/DE3574547D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H04B7/15514—Relay station based processing for cell extension or control of coverage area for shadowing compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15542—Selecting at relay station its transmit and receive resources
    • 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
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
DE8585107717T 1984-06-22 1985-06-21 Verfahren zur herstellung einer relais-fernsprechverbindung zwischen einer mobilen einheit und einer ortsfesten station und dafuer geeigneter verstaerker. Expired - Fee Related DE3574547D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59127312A JPS617736A (ja) 1984-06-22 1984-06-22 無線中継方式

Publications (1)

Publication Number Publication Date
DE3574547D1 true DE3574547D1 (de) 1990-01-04

Family

ID=14956824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585107717T Expired - Fee Related DE3574547D1 (de) 1984-06-22 1985-06-21 Verfahren zur herstellung einer relais-fernsprechverbindung zwischen einer mobilen einheit und einer ortsfesten station und dafuer geeigneter verstaerker.

Country Status (6)

Country Link
US (1) US4677687A (de)
EP (1) EP0169384B1 (de)
JP (1) JPS617736A (de)
AU (1) AU572057B2 (de)
CA (1) CA1236166A (de)
DE (1) DE3574547D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62264649A (ja) * 1986-05-13 1987-11-17 Toppan Printing Co Ltd リ−ドフレ−ムの製造方法
GB8629159D0 (en) * 1986-12-05 1987-01-14 British Telecomm Mobile radio systems
US5115514A (en) * 1987-08-03 1992-05-19 Orion Industries, Inc. Measuring and controlling signal feedback between the transmit and receive antennas of a communications booster
US4941200A (en) * 1987-08-03 1990-07-10 Orion Industries, Inc. Booster
US5152002A (en) * 1987-08-03 1992-09-29 Orion Industries, Inc. System and method for extending cell site coverage
US4811380A (en) * 1988-01-29 1989-03-07 Motorola, Inc. Cellular radiotelephone system with dropped call protection
US5095528A (en) * 1988-10-28 1992-03-10 Orion Industries, Inc. Repeater with feedback oscillation control
JPH02137552A (ja) * 1988-11-18 1990-05-25 Fujitsu Ltd 中継用受信機
CA2001339C (en) * 1988-12-02 1993-12-21 Jaime Andres Borras Repeater for a controlled radio system
JPH0728231B2 (ja) * 1989-04-10 1995-03-29 三菱電機株式会社 ブースタ装置およびブースタ装置を接続した無線機
US5047762A (en) * 1989-12-06 1991-09-10 Motorola, Inc. Method and apparatus for increasing co-channel utilization in a multi-station data communications network with overlapping coverage
US5218715A (en) * 1991-01-15 1993-06-08 Orion Industries, Inc. Multi-donor booster operation and system
JPH0530000A (ja) * 1991-07-18 1993-02-05 Fujitsu Ltd 移動体通信方式
SG50659A1 (en) * 1992-04-10 1998-07-20 Ericsson Ge Mobile Inc Random access in mobile telephone system
NZ255617A (en) * 1992-09-04 1996-11-26 Ericsson Telefon Ab L M Tdma digital radio: measuring path loss and setting transmission power accordingly
US5404570A (en) * 1992-11-23 1995-04-04 Telefonaktiebolaget L M Ericsson Radio coverage in closed environments
AU667140B2 (en) * 1992-11-26 1996-03-07 Nec Corporation Booster for use in combination with radio apparatus
GB2291564B (en) * 1994-07-13 1999-02-10 Nec Corp Mobile communication for a mobile station near the boundary of or outside a service area of a base station
FR2724412B1 (fr) 1994-09-14 1996-10-25 Snecma Aube de turbomachine en materiau composite munie d'un joint d'etancheite et son procede de realisation
JPH08274230A (ja) * 1995-03-31 1996-10-18 Nec Corp リードフレームとその製造方法
US5924033A (en) * 1996-05-03 1999-07-13 Telefonaktiebolaget L/M Ericsson (Publ) Communication control circuitry and method for a group of commonly-moving mobile transceiver units
FR2758424B1 (fr) * 1997-01-15 1999-02-26 Sagem Procede de commande de la frequence d'un repeteur d'un reseau de communication
US7149242B1 (en) 2000-05-31 2006-12-12 Bitrage, Inc. Communications system for improving transmission rates and transmission distances of data signals across communications links
US20040151237A1 (en) * 2000-05-31 2004-08-05 Bitrage, Inc. Satellite communications system
US6823001B1 (en) 2000-05-31 2004-11-23 Bitrage, Inc. Dual stage communication processor
US7853250B2 (en) 2003-04-03 2010-12-14 Network Security Technologies, Inc. Wireless intrusion detection system and method
US7706744B2 (en) * 2004-05-26 2010-04-27 Wireless Extenders, Inc. Wireless repeater implementing low-level oscillation detection and protection for a duplex communication system
JP4292419B2 (ja) 2005-07-25 2009-07-08 ソニー株式会社 モニタ端末

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035169A (en) * 1956-10-03 1962-05-15 Gen Electric Co Ltd Radio relay system with automatic channel selection based upon signal strength
JPS5287904A (en) * 1976-01-19 1977-07-22 Nippon Telegr & Teleph Corp <Ntt> Moving communication circuit assignment system
IL68977A0 (en) * 1982-08-03 1983-10-31 Motorola Inc Method and apparatus for controlling radio frequency signal communication paths
US4481670A (en) * 1982-11-12 1984-11-06 Motorola, Inc. Method and apparatus for dynamically selecting transmitters for communications between a primary station and remote stations of a data communications system
FR2538561A1 (fr) * 1982-12-22 1984-06-29 Inst Francais Du Petrole Dispositif de transmission de signaux par radio et par cable entre un systeme central de commande et d'enregistrement et des appareils d'acquisition de donnees

Also Published As

Publication number Publication date
AU4394585A (en) 1986-01-02
CA1236166A (en) 1988-05-03
JPS617736A (ja) 1986-01-14
AU572057B2 (en) 1988-04-28
EP0169384B1 (de) 1989-11-29
US4677687A (en) 1987-06-30
EP0169384A1 (de) 1986-01-29

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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