DE3785906D1 - Kanalersatzschaltungssystem fuer ein funkuebertragungssystem von digitalen daten. - Google Patents

Kanalersatzschaltungssystem fuer ein funkuebertragungssystem von digitalen daten.

Info

Publication number
DE3785906D1
DE3785906D1 DE8787113682T DE3785906T DE3785906D1 DE 3785906 D1 DE3785906 D1 DE 3785906D1 DE 8787113682 T DE8787113682 T DE 8787113682T DE 3785906 T DE3785906 T DE 3785906T DE 3785906 D1 DE3785906 D1 DE 3785906D1
Authority
DE
Germany
Prior art keywords
digital data
radio transmission
channel replacement
transmission system
replacement system
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
DE8787113682T
Other languages
English (en)
Other versions
DE3785906T2 (de
Inventor
Itoh Hideaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3785906D1 publication Critical patent/DE3785906D1/de
Publication of DE3785906T2 publication Critical patent/DE3785906T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE87113682T 1986-09-20 1987-09-18 Kanalersatzschaltungssystem für ein Funkübertragungssystem von digitalen Daten. Expired - Fee Related DE3785906T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61220902A JPS6377235A (ja) 1986-09-20 1986-09-20 デイジタル通信システムの切替方式

Publications (2)

Publication Number Publication Date
DE3785906D1 true DE3785906D1 (de) 1993-06-24
DE3785906T2 DE3785906T2 (de) 1993-10-28

Family

ID=16758321

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87113682T Expired - Fee Related DE3785906T2 (de) 1986-09-20 1987-09-18 Kanalersatzschaltungssystem für ein Funkübertragungssystem von digitalen Daten.

Country Status (5)

Country Link
US (1) US4799237A (de)
EP (1) EP0261601B1 (de)
JP (1) JPS6377235A (de)
CA (1) CA1263147C (de)
DE (1) DE3785906T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH084257B2 (ja) * 1987-10-02 1996-01-17 日本電気株式会社 （１＋ｎ）ヒットレス回線切替装置
JPH01198834A (ja) * 1988-02-03 1989-08-10 Fujitsu Ltd 回線切替装置
JPH0227819A (ja) * 1988-07-18 1990-01-30 Fujitsu Ltd 回線切替装置における切替トリガ検出回路
JPH0286348A (ja) * 1988-09-22 1990-03-27 Nippon Telegr & Teleph Corp <Ntt> 回線切換方式
FR2661578A1 (fr) * 1990-04-27 1991-10-31 Trt Telecom Radio Electr Dispositif de commutation dynamique pour le masquage d'erreurs dans un systeme a doublement du conduit numerique.
US5051979A (en) * 1990-06-28 1991-09-24 At&T Bell Laboratories Method and apparatus for errorless switching
JPH0498917A (ja) * 1990-08-17 1992-03-31 Hitachi Ltd Ａｔｍ伝送路の無瞬断切替方法及び回路
NZ287486A (en) * 1994-05-27 1998-02-26 British Telecomm Delayed copy of transmitted data held in transmitter buffer for retransmission upon command from receiver in response to detection of received errors
FR2721463A1 (fr) * 1994-06-17 1995-12-22 Trt Telecom Radio Electr Système de transmission comportant au moins deux liaisons pour relier un émetteur et un récepteur et récepteur convenant à un tel système.
US5699356A (en) * 1995-07-17 1997-12-16 Mci Communication System and method for personal communication system dynamic channel allocation
CN100428732C (zh) * 2003-12-24 2008-10-22 华为技术有限公司 集成交叉交换单元及其业务调度方法
CN101938660B (zh) * 2009-06-30 2014-06-18 中兴通讯股份有限公司南京分公司 一种基于业务质量检测的复用热备份方法及系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234956A (en) * 1978-10-11 1980-11-18 The General Electric Company Limited Digital relay systems
JPS5654141A (en) * 1979-10-09 1981-05-14 Nec Corp Band switching circuit without momentary interruption
US4477895A (en) * 1980-05-02 1984-10-16 Harris Corporation Synchronized protection switching arrangement
FR2553244B1 (fr) * 1983-10-07 1988-12-30 Trt Telecom Radio Electr Dispositif de commutation avec remise en phase automatique des donnees sur 3,5 bits
JPS60125031A (ja) * 1983-12-12 1985-07-04 Fujitsu Ltd 回線切替回路
JPS61111037A (ja) * 1984-11-05 1986-05-29 Nec Corp 回線切替方式

Also Published As

Publication number Publication date
JPH047865B2 (de) 1992-02-13
CA1263147A (en) 1989-11-21
JPS6377235A (ja) 1988-04-07
EP0261601A3 (en) 1989-07-05
DE3785906T2 (de) 1993-10-28
EP0261601B1 (de) 1993-05-19
EP0261601A2 (de) 1988-03-30
CA1263147C (en) 1989-11-21
US4799237A (en) 1989-01-17

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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