DE69627849D1 - Verteilung der synchronisation in einer synchronen optischen umgebung - Google Patents

Verteilung der synchronisation in einer synchronen optischen umgebung

Info

Publication number
DE69627849D1
DE69627849D1 DE69627849T DE69627849T DE69627849D1 DE 69627849 D1 DE69627849 D1 DE 69627849D1 DE 69627849 T DE69627849 T DE 69627849T DE 69627849 T DE69627849 T DE 69627849T DE 69627849 D1 DE69627849 D1 DE 69627849D1
Authority
DE
Germany
Prior art keywords
synchronization
distribution
synchronous optical
optical environment
environment
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
DE69627849T
Other languages
English (en)
Other versions
DE69627849T2 (de
Inventor
Madihally Narasimha
Kishan Shenoi
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 Frequency and Time Corp
Original Assignee
Symmetricom 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 Symmetricom Inc filed Critical Symmetricom Inc
Application granted granted Critical
Publication of DE69627849D1 publication Critical patent/DE69627849D1/de
Publication of DE69627849T2 publication Critical patent/DE69627849T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04J3/0647—Synchronisation among TDM nodes
    • 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
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
DE69627849T 1995-06-06 1996-05-31 Verteilung der synchronisation in einer synchronen optischen umgebung Expired - Fee Related DE69627849T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US467313 1995-06-06
US08/467,313 US5828670A (en) 1995-06-06 1995-06-06 Distribution of synchronization in a synchronous optical environment
PCT/US1996/008155 WO1996039762A1 (en) 1995-06-06 1996-05-31 Distribution of synchronization in a synchronous optical environment

Publications (2)

Publication Number Publication Date
DE69627849D1 true DE69627849D1 (de) 2003-06-05
DE69627849T2 DE69627849T2 (de) 2004-02-19

Family

ID=23855197

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69627849T Expired - Fee Related DE69627849T2 (de) 1995-06-06 1996-05-31 Verteilung der synchronisation in einer synchronen optischen umgebung

Country Status (6)

Country Link
US (1) US5828670A (de)
EP (1) EP0830758B1 (de)
JP (1) JPH11506882A (de)
CA (1) CA2223708C (de)
DE (1) DE69627849T2 (de)
WO (1) WO1996039762A1 (de)

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US6072810A (en) * 1996-11-08 2000-06-06 Alcatel Method to transparently transport an incoming clock signal over a network segment, and related transmitter and receiver unit
US6091705A (en) 1996-12-20 2000-07-18 Sebring Systems, Inc. Method and apparatus for a fault tolerant, software transparent and high data integrity extension to a backplane bus or interconnect
US6581126B1 (en) 1996-12-20 2003-06-17 Plx Technology, Inc. Method, system and apparatus for a computer subsystem interconnection using a chain of bus repeaters
GB2321827B (en) * 1997-01-31 2001-06-13 Ericsson Telefon Ab L M Telecommunications system
JPH10262021A (ja) * 1997-03-17 1998-09-29 Fujitsu Ltd 伝送装置
DE19730294C1 (de) * 1997-07-15 1998-10-15 Deutsche Telekom Ag Verfahren zur Übertragung von Signalisierungs- und Steuerinformationen für Wellenlängenmultiplex-Netze zur optischen, fasergebundenen Informationsübertragung
JP2001513301A (ja) 1997-12-16 2001-08-28 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 Ｓｔｍ伝送システムによるａｔｍにおける同期
FR2775404A1 (fr) * 1998-02-25 1999-08-27 Philips Electronics Nv Systeme interactif de distribution de signaux audio-video numeriques
US6185247B1 (en) * 1998-02-27 2001-02-06 Nortel Networks Limited Method of reducing synchronization rearrangements in synchronous transmission systems
US6115825A (en) * 1998-09-11 2000-09-05 Nortel Networks Corporation Method for synchronization distribution in a communications network
US6473441B1 (en) * 1998-12-18 2002-10-29 Escient Convergence Corp Multi-channel video pump
US20060262813A1 (en) * 1998-12-18 2006-11-23 Digital Networks North America, Inc. Multi-channel video pump
FI106761B (fi) * 1999-02-19 2001-03-30 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely järjestelmien keskinäisen tahdistuksen toteuttamiseksi monimoodilaitteessa
US6522363B1 (en) * 1999-07-30 2003-02-18 Thomson Licensing S.A. Display frame rate adaptation
US6829247B1 (en) * 1999-12-23 2004-12-07 Nortel Networks Limited Method and apparatus for establishing dedicated local area network N) connections in an optical transmission network
US7042908B1 (en) * 2000-07-10 2006-05-09 Nortel Networks Limited Method and apparatus for transmitting arbitrary electrical signals over a data network
US6331836B1 (en) 2000-08-24 2001-12-18 Fast Location.Net, Llc Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path
US6572293B1 (en) * 2000-09-14 2003-06-03 Electronics For Imaging, Inc. Simple and inexpensive high-capacity output catch tray for document production machines
US7301960B2 (en) * 2000-12-15 2007-11-27 Harris Corporation Apparatus for and method of control and communication of multiple stations in a TDM network
WO2002080420A1 (en) * 2001-03-28 2002-10-10 Syscor Research & Development Inc. Capacity re-use in data communication networks
US6515620B1 (en) 2001-07-18 2003-02-04 Fast Location.Net, Llc Method and system for processing positioning signals in a geometric mode
US6529160B2 (en) 2001-07-18 2003-03-04 Fast Location.Net, Llc Method and system for determining carrier frequency offsets for positioning signals
US6882309B2 (en) * 2001-07-18 2005-04-19 Fast Location. Net, Llc Method and system for processing positioning signals based on predetermined message data segment
US6628234B2 (en) 2001-07-18 2003-09-30 Fast Location.Net, Llc Method and system for processing positioning signals in a stand-alone mode
US9052374B2 (en) 2001-07-18 2015-06-09 Fast Location.Net, Llc Method and system for processing positioning signals based on predetermined message data segment
ITMI20011782A1 (it) * 2001-08-10 2003-02-10 Marconi Comm Spa Metodo per la generazione di un clock sincronizzato con riferimenti temporali derivati da segnali di ingresso in un'apparecchiatura di una r
EP1430627B1 (de) * 2001-09-26 2005-02-09 Siemens Aktiengesellschaft Verfahren zur synchronisation von knoten eines kommunikationssystems
US7023942B1 (en) 2001-10-09 2006-04-04 Nortel Networks Limited Method and apparatus for digital data synchronization
US7168844B2 (en) * 2002-11-22 2007-01-30 Cargill, Inc. Method and apparatus for on-site mixing of liquid deicer
US7894489B2 (en) * 2005-06-10 2011-02-22 Symmetricom, Inc. Adaptive play-out buffers and adaptive clock operation in packet networks
CN100542083C (zh) * 2005-08-24 2009-09-16 华为技术有限公司 通过分组网络实现网络同步的方法和系统
JP2009088793A (ja) * 2007-09-28 2009-04-23 Fujitsu Ltd 同期用システム、同期信号送信装置、クロック供給装置、及び同期方法
US9319054B2 (en) 2011-09-27 2016-04-19 Anue Systems, Inc. Systems and methods utilizing randomized clock rates to reduce systematic time-stamp granularity errors in network packet communications
FR3002397A1 (fr) * 2013-02-20 2014-08-22 Jacques Louis Marie Pontois Procede et dispositif de synchronisation a verrouillage rapide d'une chaine d'horloges
US11686805B1 (en) 2016-07-10 2023-06-27 ZaiNar, Inc. Method and system for radiofrequency localization of transmitting devices via a mesh network
US10455350B2 (en) * 2016-07-10 2019-10-22 ZaiNar, Inc. Method and system for radiolocation asset tracking via a mesh network
US11658798B1 (en) 2018-05-07 2023-05-23 ZaiNar, Inc. Methods for time synchronization and localization in a mesh network
US10911211B1 (en) 2018-09-28 2021-02-02 ZaiNar, Inc. Frequency and gain calibration for time synchronization in a network
US10833840B2 (en) 2018-05-07 2020-11-10 ZaiNar, Inc. Methods for nanosecond-scale time synchronization over a network
US20230379666A1 (en) 2022-04-20 2023-11-23 ZaiNar, Inc. System and methods for asset tracking, asset grouping, and error recovery

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US4270203A (en) * 1978-11-13 1981-05-26 Arthur A. Collins, Inc. Timing adjustment circuit for digital switching
DE3201965A1 (de) * 1982-01-22 1983-08-04 Siemens AG, 1000 Berlin und 8000 München Digitales nachrichtenuebertragungssystem
US4494211A (en) * 1982-11-24 1985-01-15 The United States Of America As Represented By The Secretary Of The Navy Balanced system for ranging and synchronization between satellite pairs
DE3410188C2 (de) * 1984-03-20 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Schaltungsanordnung zur Taktkorrektur in einer digitalen Datenübertragungseinrichtung
JPH0618358B2 (ja) * 1985-04-09 1994-03-09 沖電気工業株式会社 誤り制御符号化方式
US4912706A (en) * 1988-11-18 1990-03-27 American Telephone And Telegraph Company Frame synchronization in a network of time multiplexed optical space switches
US4998242A (en) * 1988-12-09 1991-03-05 Transwitch Corp. Virtual tributary cross connect switch and switch network utilizing the same
US5241543A (en) * 1989-01-25 1993-08-31 Hitachi, Ltd. Independent clocking local area network and nodes used for the same
GB9012436D0 (en) * 1990-06-04 1990-07-25 Plessey Telecomm Sdh rejustification
US5222102A (en) * 1991-05-28 1993-06-22 Rolm Company Digital phased locked loop apparatus for bipolar transmission systems
JPH0779209A (ja) * 1993-09-08 1995-03-20 Fujitsu Ltd フレーム／マルチフレーム位相補正方式
JPH07264214A (ja) * 1994-02-07 1995-10-13 Fujitsu Ltd インターフェース装置
US5450394A (en) * 1994-03-10 1995-09-12 Northern Telecom Limited Delay monitoring of telecommunication networks
US5499236A (en) * 1994-08-16 1996-03-12 Unisys Corporation Synchronous multipoint-to-point CDMA communication system
US5604771A (en) * 1994-10-04 1997-02-18 Quiros; Robert System and method for transmitting sound and computer data

Also Published As

Publication number Publication date
CA2223708C (en) 2003-07-29
EP0830758B1 (de) 2003-05-02
DE69627849T2 (de) 2004-02-19
WO1996039762A1 (en) 1996-12-12
EP0830758A1 (de) 1998-03-25
CA2223708A1 (en) 1996-12-12
JPH11506882A (ja) 1999-06-15
US5828670A (en) 1998-10-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee