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FI19992828A - Synchronization in a packet switching telecommunication system - Google Patents

Synchronization in a packet switching telecommunication system

Info

Publication number
FI19992828A
FI19992828A FI992828A FI19992828A FI19992828A FI 19992828 A FI19992828 A FI 19992828A FI 992828 A FI992828 A FI 992828A FI 19992828 A FI19992828 A FI 19992828A FI 19992828 A FI19992828 A FI 19992828A
Authority
FI
Finland
Prior art keywords
synchronization
telecommunication system
packet switching
switching telecommunication
packet
Prior art date
Application number
FI992828A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI108489B (en
Inventor
Oskar Mauritz
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Priority to FI992828A priority Critical patent/FI108489B/en
Priority to PCT/FI2000/001159 priority patent/WO2001050674A1/en
Priority to AU25205/01A priority patent/AU2520501A/en
Publication of FI19992828A publication Critical patent/FI19992828A/en
Priority to US09/940,857 priority patent/US6658025B2/en
Application granted granted Critical
Publication of FI108489B publication Critical patent/FI108489B/en

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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5649—Cell delay or jitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • H04L2012/5674—Synchronisation, timing recovery or alignment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FI992828A 1999-12-30 1999-12-30 Synchronization in a packet-switched communication system FI108489B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI992828A FI108489B (en) 1999-12-30 1999-12-30 Synchronization in a packet-switched communication system
PCT/FI2000/001159 WO2001050674A1 (en) 1999-12-30 2000-12-28 Synchronization in packet-switched telecommunications system
AU25205/01A AU2520501A (en) 1999-12-30 2000-12-28 Synchronization in packet-switched telecommunications system
US09/940,857 US6658025B2 (en) 1999-12-30 2001-08-29 Synchronization in packet-switched telecommunications system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992828 1999-12-30
FI992828A FI108489B (en) 1999-12-30 1999-12-30 Synchronization in a packet-switched communication system

Publications (2)

Publication Number Publication Date
FI19992828A true FI19992828A (en) 2001-07-01
FI108489B FI108489B (en) 2002-01-31

Family

ID=8555842

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992828A FI108489B (en) 1999-12-30 1999-12-30 Synchronization in a packet-switched communication system

Country Status (4)

Country Link
US (1) US6658025B2 (en)
AU (1) AU2520501A (en)
FI (1) FI108489B (en)
WO (1) WO2001050674A1 (en)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365634B (en) * 2000-08-04 2004-09-22 Snell & Wilcox Ltd Clock analysis
SE0004839D0 (en) * 2000-12-22 2000-12-22 Ericsson Telefon Ab L M Method and communication apparatus in a communication system
EP1283611A3 (en) * 2001-08-09 2006-02-15 Siemens Aktiengesellschaft Method for synchronization of a communication system via a packet oriented data network
US7133397B2 (en) * 2001-09-07 2006-11-07 L-3 Communications Corporation Time division duplex system utilizing global positioning system timing signals for access point synchronization
US6930620B2 (en) * 2002-01-15 2005-08-16 Microsoft Corporation Methods and systems for synchronizing data streams
GB0205350D0 (en) * 2002-03-07 2002-04-24 Zarlink Semiconductor Inc Clock synchronisation over a packet network using SRTS without a common network clock
US20030179780A1 (en) * 2002-03-20 2003-09-25 Zarlink Semiconductor V.N. Inc. Method of detecting drift between two clocks
US8484370B1 (en) * 2002-04-16 2013-07-09 Trimble Navigation Limited Method and system for efficient extended data communications using GPRS
US7599293B1 (en) * 2002-04-25 2009-10-06 Lawrence Michael Bain System and method for network traffic and I/O transaction monitoring of a high speed communications network
US7684413B2 (en) * 2002-10-09 2010-03-23 Juniper Networks, Inc. System and method for rate agile adaptive clocking in a packet-based network
JP3993508B2 (en) * 2002-12-02 2007-10-17 株式会社エヌ・ティ・ティ・ドコモ Wireless access network system, wireless communication method, synchronization server, and node device
DE10302859B3 (en) * 2003-01-22 2004-09-30 Siemens Ag Procedure for ensuring the same message order in multiple data sinks
EP1595348A1 (en) 2003-02-20 2005-11-16 Zarlink Semiconductor Inc. Alignment of clock domains in packet networks
DE602004017423D1 (en) * 2003-02-20 2008-12-11 Zarlink Semiconductor Inc SYNCHRONIZATION OF STEPS THROUGH SEVERAL PACKET NETWORKS
KR100542115B1 (en) 2003-05-23 2006-01-10 한국전자통신연구원 Phase distortion compensation apparatus and method of ODFMA-based cellular system base station
DE10327116B4 (en) * 2003-06-13 2006-03-16 Eads Deutschland Gmbh A method for time synchronization of at least two clocks contained in a microprocessor system
US7415044B2 (en) * 2003-08-22 2008-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Remote synchronization in packet-switched networks
EP1553784A1 (en) 2004-01-06 2005-07-13 Deutsche Thomson-Brandt Gmbh Method and apparatus for performing synchronised audio and video presentation
US7623551B2 (en) * 2004-05-20 2009-11-24 International Business Machines Corporation Method, system and program product for synchronizing data elements between devices
US8478283B2 (en) * 2004-09-29 2013-07-02 Apple Inc. Method and system for capacity and coverage enhancement in wireless networks with relays
US7970020B2 (en) * 2004-10-27 2011-06-28 Telefonaktiebolaget Lm Ericsson (Publ) Terminal having plural playback pointers for jitter buffer
US7545749B2 (en) * 2005-02-15 2009-06-09 Microsoft Corporation High-accuracy packet pair for network bottleneck bandwidth measurement
US8503299B2 (en) * 2005-05-12 2013-08-06 Apple, Inc. Method and system for packet scheduling
EP1949577B1 (en) * 2005-11-14 2018-04-25 Telefonaktiebolaget LM Ericsson (publ) Generation of clock signal from received packet stream
WO2007070854A2 (en) * 2005-12-14 2007-06-21 Adtran, Inc. Systems and methods for enabling clock signal synchronization
IL172756A0 (en) * 2005-12-22 2007-03-08 Hadasit Med Res Service System and method for synchronization of a communication network
WO2007120089A1 (en) * 2006-04-13 2007-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Network synchronisation supervision
US8442074B1 (en) 2007-04-02 2013-05-14 Adtran, Inc. Systems and methods for passing timing information over packet networks
EP2026485A1 (en) * 2007-08-17 2009-02-18 Nokia Siemens Networks Oy Method and device for a packet based clock recovery
WO2009034984A1 (en) * 2007-09-14 2009-03-19 Nec Corporation Clock synchronization system in packet network, its method and program
CN101803268B (en) * 2007-09-14 2013-03-27 日本电气株式会社 Clock synchronization system, method and program thereof
GB2454936B (en) 2007-11-23 2012-09-19 Ubiquisys Ltd Oscillator calibration
US7546384B1 (en) * 2008-06-23 2009-06-09 International Business Machines Corporation Maintaining relative time stamps when transferring files across network
CN102144363B (en) * 2008-09-02 2015-04-29 西门子企业通讯有限责任两合公司 A method for synchronizing clocks in a communication network
US8731036B2 (en) 2008-11-20 2014-05-20 Nec Corporation Packet filter-based clock synchronization system, apparatus, and method, and program thereof
US20110286442A1 (en) * 2009-01-23 2011-11-24 Kapsch Carriercom France S.A.S. Method Of Synchronisation Within A Base Station System
GB0908884D0 (en) 2009-05-22 2009-07-01 Zarlink Semiconductor Inc Time recovery over packet networks
EP2282427B1 (en) * 2009-07-31 2015-03-04 Alcatel Lucent Method for synchronizing a client clock frequency with a server clock frequency
DE102009028645B4 (en) * 2009-08-19 2014-04-03 Raumfeld Gmbh Method and arrangement for the synchronization of data streams in networks and a corresponding computer program and a corresponding computer-readable storage medium
US8441930B2 (en) * 2009-12-21 2013-05-14 Microsoft Corporation Estimating communication conditions
GB201002217D0 (en) 2010-02-10 2010-03-31 Zarlink Semiconductor Inc Clock recovery method over packet switched networks based on network quiet period detection
DE102010022525A1 (en) * 2010-02-11 2012-05-10 Siemens Aktiengesellschaft Method for time synchronization in communication network for industrial automation system, involves estimating frequency ratio of reference cycle frequency to internal cycle frequency of node
FR2962875B1 (en) * 2010-07-15 2012-08-17 Soledge SYNCHRONIZED DIFFUSION OF FLOW
JP5102383B2 (en) * 2010-07-26 2012-12-19 エルジー エレクトロニクス インコーポレイティド SMS receiving method in dual mode terminal and dual mode terminal therefor
EP2434674B1 (en) * 2010-09-24 2013-10-30 Siemens Aktiengesellschaft Method for synchronising time in a communications network
WO2012054771A2 (en) * 2010-10-21 2012-04-26 The Regents Of The University Of California Synchronizing data streams over a local area network
WO2013102847A1 (en) * 2012-01-04 2013-07-11 Marvell World Trade Ltd. Method and apparatus for communicating time information between time-aware devices

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260978A (en) 1992-10-30 1993-11-09 Bell Communications Research, Inc. Synchronous residual time stamp for timing recovery in a broadband network
GB9419611D0 (en) 1994-09-29 1994-11-16 Plessey Telecomm Constant bit rate synchronisation
JP3845114B2 (en) * 1995-03-29 2006-11-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ System with preset timing relationship between data input / output and transmitter and receiver of such system
US5608731A (en) * 1995-03-31 1997-03-04 Transwitch Corporation Closed loop clock recovery for synchronous residual time stamp
US5822383A (en) 1995-12-15 1998-10-13 Cisco Technology, Inc. System and method for maintaining network synchronization utilizing digital phase comparison techniques with synchronous residual time stamps
JP3687188B2 (en) * 1996-04-05 2005-08-24 ソニー株式会社 Packet transmission method
JP3463460B2 (en) * 1996-05-20 2003-11-05 ヤマハ株式会社 Data transmission method
DE19630398C1 (en) * 1996-07-26 1998-02-12 Siemens Ag Method for synchronizing a clock signal to be generated in a data reception station with a clock signal used in a data transmission station
CA2184517A1 (en) 1996-08-30 1998-03-01 Randy A. Law Clock recovery for video communication over atm network
EP0876017A1 (en) 1997-05-02 1998-11-04 Lsi Logic Corporation Digital clock recovery
US6157646A (en) * 1998-01-26 2000-12-05 Adc Telecommunications, Inc. Circuit and method for service clock recovery
US6661811B1 (en) * 1999-02-12 2003-12-09 Koninklijke Philips Electronics N.V. Method of and apparatus for communicating isochronous data

Also Published As

Publication number Publication date
US20020141452A1 (en) 2002-10-03
FI108489B (en) 2002-01-31
AU2520501A (en) 2001-07-16
WO2001050674A1 (en) 2001-07-12
US6658025B2 (en) 2003-12-02

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