CA2353598A1 - Clock synchronization in telecommunications network using system frame number - Google Patents

Clock synchronization in telecommunications network using system frame number Download PDF

Info

Publication number
CA2353598A1
CA2353598A1 CA002353598A CA2353598A CA2353598A1 CA 2353598 A1 CA2353598 A1 CA 2353598A1 CA 002353598 A CA002353598 A CA 002353598A CA 2353598 A CA2353598 A CA 2353598A CA 2353598 A1 CA2353598 A1 CA 2353598A1
Authority
CA
Canada
Prior art keywords
processor
system frame
frame number
clock
master
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.)
Abandoned
Application number
CA002353598A
Other languages
English (en)
French (fr)
Inventor
Marcus Karlsson
Erik Jonsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2353598A1 publication Critical patent/CA2353598A1/en
Abandoned legal-status Critical Current

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
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/269—Master/slave synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Multi Processors (AREA)
CA002353598A 1998-12-18 1999-12-17 Clock synchronization in telecommunications network using system frame number Abandoned CA2353598A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IB9802073 1998-12-18
IBPCT/IB98/02073 1998-12-18
US44320899A 1999-11-18 1999-11-18
US09/443,208 1999-11-18
PCT/SE1999/002416 WO2000038361A2 (en) 1998-12-18 1999-12-17 Clock synchronization in telecommunications network using system frame number

Publications (1)

Publication Number Publication Date
CA2353598A1 true CA2353598A1 (en) 2000-06-29

Family

ID=26318729

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002353598A Abandoned CA2353598A1 (en) 1998-12-18 1999-12-17 Clock synchronization in telecommunications network using system frame number

Country Status (7)

Country Link
EP (1) EP1142176A2 (de)
JP (1) JP2002533990A (de)
CN (1) CN1335000A (de)
AR (1) AR021937A1 (de)
AU (1) AU3093700A (de)
CA (1) CA2353598A1 (de)
WO (1) WO2000038361A2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2364203B (en) 2000-06-27 2004-03-17 Nokia Mobile Phones Ltd Synchronisation
US7180915B2 (en) * 2001-12-21 2007-02-20 Nokia Corporation Apparatus, and an associated method, for facilitating synchronization in a wireless mesh network
EP1394641A1 (de) * 2002-09-02 2004-03-03 Siemens Aktiengesellschaft Verfahren zur übertragung einer Echtzeitreferenz zu einer Mobilstation
DE102006019475B4 (de) * 2006-04-26 2008-08-28 Nokia Siemens Networks Gmbh & Co.Kg Verfahren zur Synchronisation von Baugruppen einer Basisstation
US7734264B2 (en) * 2006-08-29 2010-06-08 Qualcomm Incorporated System frame number (SFN) evaluator
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
CN101364863B (zh) * 2008-09-27 2011-11-02 华为技术有限公司 同步网中主、从时钟侧的时间同步方法
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
CN102545997B (zh) * 2010-12-31 2014-12-10 中国移动通信集团公司 一种确定系统帧号的方法、通信系统和设备
US10979279B2 (en) 2014-07-03 2021-04-13 International Business Machines Corporation Clock synchronization in cloud computing
CN106416391B (zh) 2015-05-19 2020-03-20 华为技术有限公司 寻呼方法、用户设备、基站及核心网设备
CN107396326A (zh) * 2017-08-02 2017-11-24 北京北方烽火科技有限公司 一种生成系统帧号的方法及主控时钟系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798650A (en) * 1972-10-02 1974-03-19 Bendix Corp Means for synchronizing clocks in a time ordered communications system
US4337463A (en) * 1980-08-22 1982-06-29 Control Data Corporation Time synchronization master station and remote station system
US4530091A (en) * 1983-07-08 1985-07-16 At&T Bell Laboratories Synchronization of real-time clocks in a packet switching system
GB2296166B (en) * 1994-11-29 1999-07-07 Plessey Telecomm Clock synchronisation

Also Published As

Publication number Publication date
EP1142176A2 (de) 2001-10-10
AU3093700A (en) 2000-07-12
AR021937A1 (es) 2002-09-04
WO2000038361A3 (en) 2000-11-02
JP2002533990A (ja) 2002-10-08
WO2000038361A2 (en) 2000-06-29
CN1335000A (zh) 2002-02-06

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Legal Events

Date Code Title Description
FZDE Discontinued