FR2858730B1 - Procede pour ameliorer la resolution de mesures de temps et l'alignement dans des reseaux de transmission par paquets au moyen d'une modulation temporelle - Google Patents

Procede pour ameliorer la resolution de mesures de temps et l'alignement dans des reseaux de transmission par paquets au moyen d'une modulation temporelle

Info

Publication number
FR2858730B1
FR2858730B1 FR0408064A FR0408064A FR2858730B1 FR 2858730 B1 FR2858730 B1 FR 2858730B1 FR 0408064 A FR0408064 A FR 0408064A FR 0408064 A FR0408064 A FR 0408064A FR 2858730 B1 FR2858730 B1 FR 2858730B1
Authority
FR
France
Prior art keywords
time
alignment
packet transmission
transmission networks
improving resolution
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
FR0408064A
Other languages
English (en)
French (fr)
Other versions
FR2858730A1 (fr
Inventor
Willem Leendert Repko
Der Valk Robertus Laurenti Van
Petrus Wijnandus Simons
Steven Roos
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.)
Microsemi Semiconductor ULC
Original Assignee
Zarlink Semoconductor Inc
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 Zarlink Semoconductor Inc filed Critical Zarlink Semoconductor Inc
Publication of FR2858730A1 publication Critical patent/FR2858730A1/fr
Application granted granted Critical
Publication of FR2858730B1 publication Critical patent/FR2858730B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
FR0408064A 2003-07-21 2004-07-21 Procede pour ameliorer la resolution de mesures de temps et l'alignement dans des reseaux de transmission par paquets au moyen d'une modulation temporelle Expired - Fee Related FR2858730B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/624,068 US7385990B2 (en) 2003-07-21 2003-07-21 Method to improve the resolution of time measurements and alignment in packet networks by time modulation

Publications (2)

Publication Number Publication Date
FR2858730A1 FR2858730A1 (fr) 2005-02-11
FR2858730B1 true FR2858730B1 (fr) 2006-05-26

Family

ID=34079923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0408064A Expired - Fee Related FR2858730B1 (fr) 2003-07-21 2004-07-21 Procede pour ameliorer la resolution de mesures de temps et l'alignement dans des reseaux de transmission par paquets au moyen d'une modulation temporelle

Country Status (6)

Country Link
US (1) US7385990B2 (enExample)
JP (1) JP4214089B2 (enExample)
KR (1) KR100718380B1 (enExample)
CN (1) CN100338902C (enExample)
DE (1) DE102004036896B4 (enExample)
FR (1) FR2858730B1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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US7742505B2 (en) * 2005-12-14 2010-06-22 Adtran, Inc. Systems and methods for enabling clock signal synchronization
EP2613473B1 (en) * 2006-02-13 2014-08-13 Belair Networks Inc. System and method for packet timing of circuit emulation services over networks
US8050084B2 (en) 2006-09-05 2011-11-01 Samsung Electronics Co., Ltd. Nonvolatile memory device, storage system having the same, and method of driving the nonvolatile memory device
US8442074B1 (en) 2007-04-02 2013-05-14 Adtran, Inc. Systems and methods for passing timing information over packet networks
JP2009224374A (ja) * 2008-03-13 2009-10-01 Oki Semiconductor Co Ltd Ｐｅｂ装置及びその制御方法
WO2012003481A1 (en) 2010-07-02 2012-01-05 Huawei Technologies Co., Ltd. Method for accurate distribution of time to a receiver node in an access network
CN120768495A (zh) * 2025-05-21 2025-10-10 北京北斗邦泰科技有限公司 一种网络时间服务器授时精度评价方法及系统

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JPS594900B2 (ja) * 1979-09-03 1984-02-01 日本電気株式会社 クロック再生回路
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US4530091A (en) * 1983-07-08 1985-07-16 At&T Bell Laboratories Synchronization of real-time clocks in a packet switching system
US4961188A (en) * 1989-09-07 1990-10-02 Bell Communications Research, Inc. Synchronous frequency encoding technique for clock timing recovery in a broadband network
JPH05110573A (ja) 1991-10-14 1993-04-30 Sumitomo Wiring Syst Ltd 自動車のデータ通信方法
US5353313A (en) * 1992-04-10 1994-10-04 At&T Bell Laboratories Transmission of a clock signal over an asynchronous data channel
US5260978A (en) * 1992-10-30 1993-11-09 Bell Communications Research, Inc. Synchronous residual time stamp for timing recovery in a broadband network
CN1064205C (zh) * 1993-08-27 2001-04-04 清华大学 二次扣除式码速恢复方法和电路
US5469466A (en) * 1994-01-18 1995-11-21 Hewlett-Packard Company System for highly repeatable clock parameter recovery from data modulated signals
US5671258A (en) * 1994-12-20 1997-09-23 3Com Corporation Clock recovery circuit and receiver using same
US6307868B1 (en) * 1995-08-25 2001-10-23 Terayon Communication Systems, Inc. Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
US6665308B1 (en) * 1995-08-25 2003-12-16 Terayon Communication Systems, Inc. Apparatus and method for equalization in distributed digital data transmission systems
US5822317A (en) * 1995-09-04 1998-10-13 Hitachi, Ltd. Packet multiplexing transmission apparatus
CA2160172A1 (en) 1995-10-10 1997-04-11 Jozef Z. Babiarz End-to-end clock recovery for atm networks
WO1998005139A1 (de) 1996-07-24 1998-02-05 Robert Bosch Gmbh Verfahren zur synchronisierung von daten, schnittstellen zur übertragung und zum empfang
US5889490A (en) * 1996-08-05 1999-03-30 Wachter; Eric A. Method and apparatus for improved ranging
CN1064497C (zh) * 1996-09-20 2001-04-11 清华大学 一种码速调整的接收端信息时钟恢复方法和电路
US6101195A (en) * 1997-05-28 2000-08-08 Sarnoff Corporation Timing correction method and apparatus
KR100251710B1 (ko) * 1997-07-07 2000-04-15 윤종용 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치
US6426947B1 (en) * 1998-10-21 2002-07-30 Kim K. Banker Apparatus and method for unilateral topology discovery in network management
EP1078495A1 (en) 1998-05-22 2001-02-28 Winnet Mcs, Inc. Method and apparatus for synchronizing fast ethernet data packets to radio frames
US6278699B1 (en) * 1998-06-22 2001-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization techniques and systems for spread spectrum radiocommunication
US6690740B1 (en) 1998-08-19 2004-02-10 Telefonaktiebolaget L M Ericsson Methods and apparatus for providing robust synchronization of radio transceivers
AU2001274820A1 (en) * 2000-05-26 2001-12-11 Xtremespectrum, Inc. A low power, high resolution timing generator for ultrawide bandwidth communication systems
JP3668160B2 (ja) 2001-08-14 2005-07-06 日本電信電話株式会社 無線パケット通信用周波数チャネル識別方法、無線パケット通信用受信装置
GB0205350D0 (en) * 2002-03-07 2002-04-24 Zarlink Semiconductor Inc Clock synchronisation over a packet network using SRTS without a common network clock
KR100477067B1 (ko) * 2002-12-24 2005-03-21 주식회사 엘지화학 회분식 공정에 의한 방향족 비닐-불포화 디카르복실산이미드 공중합체의 제조방법
EP1595348A1 (en) * 2003-02-20 2005-11-16 Zarlink Semiconductor Inc. Alignment of clock domains in packet networks
US7023817B2 (en) * 2003-03-11 2006-04-04 Motorola, Inc. Method and apparatus for source device synchronization in a communication system
US7230981B2 (en) * 2003-05-09 2007-06-12 Stmicroelectronics, Inc. Integrated data jitter generator for the testing of high-speed serial interfaces

Also Published As

Publication number Publication date
KR20050010719A (ko) 2005-01-28
FR2858730A1 (fr) 2005-02-11
JP2005051771A (ja) 2005-02-24
DE102004036896B4 (de) 2009-08-20
CN1578210A (zh) 2005-02-09
US7385990B2 (en) 2008-06-10
DE102004036896A1 (de) 2005-03-17
JP4214089B2 (ja) 2009-01-28
KR100718380B1 (ko) 2007-05-14
CN100338902C (zh) 2007-09-19
US20050053076A1 (en) 2005-03-10

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Effective date: 20130329