CA1263147A - Channel-system exchange system for digital data radio- communication system - Google Patents

Channel-system exchange system for digital data radio- communication system

Info

Publication number
CA1263147A
CA1263147A CA000547064A CA547064A CA1263147A CA 1263147 A CA1263147 A CA 1263147A CA 000547064 A CA000547064 A CA 000547064A CA 547064 A CA547064 A CA 547064A CA 1263147 A CA1263147 A CA 1263147A
Authority
CA
Canada
Prior art keywords
channel
exchange
data
channel data
radio
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
Application number
CA000547064A
Other languages
English (en)
French (fr)
Other versions
CA1263147C (en
Inventor
Hideaki Itoh
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
Priority to CA000547064A priority Critical patent/CA1263147A/en
Application granted granted Critical
Publication of CA1263147C publication Critical patent/CA1263147C/en
Publication of CA1263147A publication Critical patent/CA1263147A/en
Expired 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)
CA000547064A 1986-09-20 1987-09-16 Channel-system exchange system for digital data radio- communication system Expired CA1263147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000547064A CA1263147A (en) 1986-09-20 1987-09-16 Channel-system exchange system for digital data radio- communication system

Applications Claiming Priority (3)

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
JP61-220902 1986-09-20
CA000547064A CA1263147A (en) 1986-09-20 1987-09-16 Channel-system exchange system for digital data radio- communication system

Publications (2)

Publication Number Publication Date
CA1263147C CA1263147C (en) 1989-11-21
CA1263147A true CA1263147A (en) 1989-11-21

Family

ID=16758321

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000547064A Expired CA1263147A (en) 1986-09-20 1987-09-16 Channel-system exchange system for digital data radio- communication system

Country Status (5)

Country Link
US (1) US4799237A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0261601B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6377235A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1263147A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3785906T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
CN1148920A (zh) * 1994-05-27 1997-04-30 英国电讯有限公司 具有信道转换装置的数据通信系统
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
US4799237A (en) 1989-01-17
JPS6377235A (ja) 1988-04-07
EP0261601A2 (en) 1988-03-30
DE3785906D1 (de) 1993-06-24
CA1263147C (en) 1989-11-21
EP0261601A3 (en) 1989-07-05
DE3785906T2 (de) 1993-10-28
JPH047865B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-02-13
EP0261601B1 (en) 1993-05-19

Similar Documents

Publication Publication Date Title
CA1263147A (en) Channel-system exchange system for digital data radio- communication system
US4930140A (en) Code division multiplex system using selectable length spreading code sequences
JPS60214641A (ja) 時分割多方向通信のスペース・ダイバシティ通信方式
EP0128406B1 (en) Data transmission/reception network system
EP0306970A2 (en) High-speed switching system in a radio-communication system including a plurality of main communication systems and a plurality of stand-by communication systems
EP0159720A2 (en) Bidirectional digital signal communication system
EP0112107B1 (en) Data transmitting-receiving system
CN101027927A (zh) 一种基于交换的基带处理模块n+m备份方法和装置
JPS6038957A (ja) ４相ｐｓｋ波の位相不確定除去回路
US5500876A (en) Phase error canceller for QPSK signals using unique word detectors
US6094438A (en) Parity detection device and method in CDMA mobile communications system
JPH01170147A (ja) ディジタル無線伝送システム
JPS609250A (ja) 通信制御方式
US5295160A (en) Apparatus for FM-modulation of digital signals
SU1730631A1 (ru) Способ обмена данными в мультипроцессорной вычислительной системе и устройство дл его осуществлени
JPH053465A (ja) ホツトスタンドバイ通信方式による多重無線装置
JPH06291698A (ja) 無線通信システム
JPH098774A (ja) デジタル無線通信装置
JPS5980119A (ja) 分散処理型バ−スト制御回路
JPH03258046A (ja) Ａｉｓ送出回路
JPS60233943A (ja) 送受信装置
JPS61230442A (ja) セツト予備デイジタル伝送方式
JPH06164557A (ja) 無線回線の回線切替方式
JPS63164556A (ja) 位相偏移変調信号の受信回路
JPS60217747A (ja) 回線切換回路

Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 19940521