HK1033221A1 - Communications system - Google Patents

Communications system

Info

Publication number
HK1033221A1
HK1033221A1 HK01103758A HK01103758A HK1033221A1 HK 1033221 A1 HK1033221 A1 HK 1033221A1 HK 01103758 A HK01103758 A HK 01103758A HK 01103758 A HK01103758 A HK 01103758A HK 1033221 A1 HK1033221 A1 HK 1033221A1
Authority
HK
Hong Kong
Prior art keywords
sid
port
synchronisation
identifier
synchronisation signal
Prior art date
Application number
HK01103758A
Other languages
English (en)
Inventor
Iain James Slater
Original Assignee
Marconi Comm 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 Marconi Comm Ltd filed Critical Marconi Comm Ltd
Publication of HK1033221A1 publication Critical patent/HK1033221A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0679—Clock or time synchronisation in a network by determining clock distribution path in a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0647—Synchronisation among TDM nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0028—Local loop
    • H04J2203/0039—Topology
    • H04J2203/0041—Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0073—Services, e.g. multimedia, GOS, QOS
    • H04J2203/0076—Channel characteristics, e.g. BER, error detection, error correction, delay, jitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Selective Calling Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Small-Scale Networks (AREA)
  • Eye Examination Apparatus (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HK01103758A 1999-10-26 2001-05-30 Communications system HK1033221A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9925164A GB2355898B (en) 1999-10-26 1999-10-26 Communications system

Publications (1)

Publication Number Publication Date
HK1033221A1 true HK1033221A1 (en) 2001-08-17

Family

ID=10863293

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01103758A HK1033221A1 (en) 1999-10-26 2001-05-30 Communications system

Country Status (11)

Country Link
US (1) US7139264B1 (no)
EP (1) EP1096709B1 (no)
JP (1) JP2001168828A (no)
CN (2) CN101272210A (no)
AT (1) ATE360296T1 (no)
AU (1) AU6650700A (no)
DE (1) DE60034412T2 (no)
GB (1) GB2355898B (no)
HK (1) HK1033221A1 (no)
NO (1) NO20005355L (no)
RU (1) RU2000126850A (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1734991B (zh) * 2004-08-13 2010-08-18 中兴通讯股份有限公司 一种检测多业务传送平台设备业务环回的方法
US8467417B2 (en) 2007-05-03 2013-06-18 Rockstar Consortium Us Lp Method and system for synchronization between network elements
CN107453833A (zh) * 2012-09-28 2017-12-08 华为技术有限公司 时钟同步方法、系统及设备
CN103441868A (zh) * 2013-08-19 2013-12-11 国家电网公司 一种基于电力通信传输网告警的方法
CN103476105B (zh) 2013-08-21 2016-04-06 北京邮电大学 空中接口同步方法
CN110073632B (zh) 2017-11-24 2021-05-04 华为技术有限公司 对网络设备进行同步的方法以及网络设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446511A1 (de) * 1994-12-24 1996-06-27 Sel Alcatel Ag Synchrones digitales Nachrichtenübertragungssystem mit hierarchischem Synchronisierungsnetz
GB2301991B (en) 1995-06-06 1999-06-30 Plessey Telecomm SDH Network
DE19653261A1 (de) * 1996-12-20 1998-06-25 Alsthom Cge Alcatel Synchrones digitales Nachrichtenübertragungssystem, Steuerungseinrichtung, Netzelement und zentraler Taktgenerator
JP3761732B2 (ja) * 1999-01-19 2006-03-29 富士通株式会社 ネットワーク同期制御装置
GB2353173B (en) * 1999-08-10 2001-09-19 Marconi Comm Ltd Communications system

Also Published As

Publication number Publication date
EP1096709A2 (en) 2001-05-02
NO20005355L (no) 2001-04-27
AU6650700A (en) 2001-05-03
NO20005355D0 (no) 2000-10-24
GB2355898A (en) 2001-05-02
EP1096709B1 (en) 2007-04-18
RU2000126850A (ru) 2002-09-10
JP2001168828A (ja) 2001-06-22
EP1096709A3 (en) 2004-01-21
CN1294458A (zh) 2001-05-09
DE60034412T2 (de) 2008-01-10
US7139264B1 (en) 2006-11-21
GB2355898B (en) 2002-07-03
DE60034412D1 (de) 2007-05-31
CN101272210A (zh) 2008-09-24
ATE360296T1 (de) 2007-05-15
GB9925164D0 (en) 1999-12-22

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20061026