CN100338902C - 分组网络中恢复定时信息的方法和设备 - Google Patents

分组网络中恢复定时信息的方法和设备 Download PDF

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Publication number
CN100338902C
CN100338902C CNB2004100708011A CN200410070801A CN100338902C CN 100338902 C CN100338902 C CN 100338902C CN B2004100708011 A CNB2004100708011 A CN B2004100708011A CN 200410070801 A CN200410070801 A CN 200410070801A CN 100338902 C CN100338902 C CN 100338902C
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China
Prior art keywords
clock
packet
receiver
network
modulation signal
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Expired - Fee Related
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CNB2004100708011A
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English (en)
Chinese (zh)
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CN1578210A (zh
Inventor
威廉·伦德特·雷普科
罗伯图斯·劳伦丘斯·范德·瓦尔克
彼得鲁斯·韦南达斯·西蒙斯
史蒂文·罗斯
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Microsemi Semiconductor ULC
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Zarlink Semoconductor Inc
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    • 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

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  • 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)
CNB2004100708011A 2003-07-21 2004-07-20 分组网络中恢复定时信息的方法和设备 Expired - Fee Related CN100338902C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/624,068 2003-07-21
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
CN1578210A CN1578210A (zh) 2005-02-09
CN100338902C true CN100338902C (zh) 2007-09-19

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Family Applications (1)

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CNB2004100708011A Expired - Fee Related CN100338902C (zh) 2003-07-21 2004-07-20 分组网络中恢复定时信息的方法和设备

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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
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* 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
US5353313A (en) * 1992-04-10 1994-10-04 At&T Bell Laboratories Transmission of a clock signal over an asynchronous data channel
CN1099540A (zh) * 1993-08-27 1995-03-01 清华大学 二次扣除式码速恢复方法和电路
CN1147734A (zh) * 1996-09-20 1997-04-16 清华大学 二次匀滑式减小抖动的方法和电路
GB2307139A (en) * 1995-10-10 1997-05-14 Mitel Corp ATM network clock
CN1206153A (zh) * 1997-07-07 1999-01-27 三星电子株式会社 降低atm和pdh网络互连的抖动或漂移的方法和设备

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3483330A (en) * 1966-05-11 1969-12-09 Bell Telephone Labor Inc Network synchronization in a time division switching system
US4103234A (en) * 1967-11-24 1978-07-25 General Dynamics Corp. System for transmission storage and/or multiplexing of information
US3970558A (en) * 1974-02-21 1976-07-20 Kai Sing Lee Frying grease reclaimer
US3940558A (en) 1975-01-31 1976-02-24 Digital Communications Corporation Remote master/slave station clock
JPS594900B2 (ja) * 1979-09-03 1984-02-01 日本電気株式会社 クロック再生回路
US4322842A (en) * 1979-10-23 1982-03-30 Altran Electronics Broadcast system for distribution automation and remote metering
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
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
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
US6101195A (en) * 1997-05-28 2000-08-08 Sarnoff Corporation Timing correction method and apparatus
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1099540A (zh) * 1993-08-27 1995-03-01 清华大学 二次扣除式码速恢复方法和电路
GB2307139A (en) * 1995-10-10 1997-05-14 Mitel Corp ATM network clock
CN1147734A (zh) * 1996-09-20 1997-04-16 清华大学 二次匀滑式减小抖动的方法和电路
CN1206153A (zh) * 1997-07-07 1999-01-27 三星电子株式会社 降低atm和pdh网络互连的抖动或漂移的方法和设备

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
FR2858730B1 (fr) 2006-05-26
DE102004036896A1 (de) 2005-03-17
JP4214089B2 (ja) 2009-01-28
KR100718380B1 (ko) 2007-05-14
US20050053076A1 (en) 2005-03-10

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Granted publication date: 20070919

Termination date: 20120720