DE60037008D1 - Verfahren und vorrichtung zur synchronisierung - Google Patents
Verfahren und vorrichtung zur synchronisierungInfo
- Publication number
- DE60037008D1 DE60037008D1 DE60037008T DE60037008T DE60037008D1 DE 60037008 D1 DE60037008 D1 DE 60037008D1 DE 60037008 T DE60037008 T DE 60037008T DE 60037008 T DE60037008 T DE 60037008T DE 60037008 D1 DE60037008 D1 DE 60037008D1
- Authority
- DE
- Germany
- Prior art keywords
- synchronizing
- 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 - Lifetime
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
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900053A SE513899C2 (sv) | 1999-01-12 | 1999-01-12 | Metod och arrangemang för synkronisering |
SE9900053 | 1999-01-12 | ||
PCT/SE2000/000028 WO2000042728A1 (en) | 1999-01-12 | 2000-01-10 | A synchronisation method and arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60037008D1 true DE60037008D1 (de) | 2007-12-20 |
DE60037008T2 DE60037008T2 (de) | 2008-08-28 |
Family
ID=20414058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60037008T Expired - Lifetime DE60037008T2 (de) | 1999-01-12 | 2000-01-10 | Verfahren und vorrichtung zur synchronisierung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6532274B1 (de) |
EP (1) | EP1145477B1 (de) |
AU (1) | AU2140700A (de) |
CA (1) | CA2360591C (de) |
DE (1) | DE60037008T2 (de) |
SE (1) | SE513899C2 (de) |
WO (1) | WO2000042728A1 (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19937245A1 (de) | 1999-08-06 | 2001-02-15 | Siemens Ag | Synchronisierungsverfahren und -system für Taktquellen bei insbesondere paketvermittelnden Kommunikationssystemen |
US7196660B2 (en) * | 2000-11-17 | 2007-03-27 | Global Locate, Inc | Method and system for determining time in a satellite positioning system |
SE0004839D0 (sv) | 2000-12-22 | 2000-12-22 | Ericsson Telefon Ab L M | Method and communication apparatus in a communication system |
DE10104539A1 (de) * | 2001-02-01 | 2002-08-29 | Siemens Ag | Verfahren zum Betrieb einer Basisstation in einem Funkkommunikationssystem |
US6975653B2 (en) * | 2001-06-12 | 2005-12-13 | Agilent Technologies, Inc. | Synchronizing clocks across sub-nets |
US7043651B2 (en) * | 2001-09-18 | 2006-05-09 | Nortel Networks Limited | Technique for synchronizing clocks in a network |
JP3993508B2 (ja) | 2002-12-02 | 2007-10-17 | 株式会社エヌ・ティ・ティ・ドコモ | 無線アクセスネットワークシステム、無線通信方法、同期サーバ及びノード装置 |
US7415044B2 (en) | 2003-08-22 | 2008-08-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Remote synchronization in packet-switched networks |
US8014378B1 (en) | 2003-10-23 | 2011-09-06 | Itt Manufacturing Enterprise, Inc. | Method and apparatus for automatic control of time-of-day synchronization and merging of networks |
US7448061B2 (en) | 2004-06-21 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Frame synchronization in an ethernet NTP time-keeping digital cinema playback system |
EP1630979B1 (de) * | 2004-08-25 | 2008-12-24 | Nokia Siemens Networks Gmbh & Co. Kg | Verfahren und System zur Taktuhrenaktualisierung in Komponenten eines Kommunikationsnetzwerks |
US7970020B2 (en) | 2004-10-27 | 2011-06-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Terminal having plural playback pointers for jitter buffer |
US8724659B2 (en) | 2005-05-11 | 2014-05-13 | Telefonaktiebolaget L M Ericsson (Publ) | Synchronization of VoDSL of DSLAM connected only to ethernet |
US7720900B2 (en) * | 2005-09-09 | 2010-05-18 | International Business Machines Corporation | Fused multiply add split for multiple precision arithmetic |
US7356725B2 (en) | 2005-09-09 | 2008-04-08 | International Business Machines Corporation | Method and apparatus for adjusting a time of day clock without adjusting the stepping rate of an oscillator |
GB2436421B (en) * | 2006-03-21 | 2011-09-07 | Zarlink Semiconductor Ltd | Timing source |
US7738611B2 (en) * | 2006-08-07 | 2010-06-15 | Harris Stratex Networks, Inc. | Remote monitoring and calibration of system reference clock using network timing reference |
WO2008103170A1 (en) * | 2007-02-20 | 2008-08-28 | Symmetricom, Inc. | Assisted wall-clock |
US8121111B2 (en) * | 2007-03-29 | 2012-02-21 | Verizon Patent And Licensing Inc. | Method and system for measuring latency |
GB2454937A (en) * | 2007-11-23 | 2009-05-27 | Ubiquisys Ltd | Acquiring time references for a telecommunications basestation from a time server |
US8228923B1 (en) * | 2008-01-09 | 2012-07-24 | Tellabs Operations, Inc. | Method and apparatus for measuring system latency using global time stamp |
EP2382829B1 (de) * | 2009-01-23 | 2014-10-29 | Kapsch CarrierCom France S.A.S. | Verfahren zur synchronisation in einem basisstationssystem |
JP5441597B2 (ja) * | 2009-05-27 | 2014-03-12 | 京セラ株式会社 | 通信方法および基地局装置 |
US8718482B1 (en) | 2009-11-10 | 2014-05-06 | Calix, Inc. | Transparent clock for precision timing distribution |
US9288777B2 (en) | 2012-05-11 | 2016-03-15 | Apple Inc. | Methods and apparatus for synchronizing clock signals in a wireless system |
WO2013185111A2 (en) * | 2012-06-07 | 2013-12-12 | Apple Inc. | Methods and apparatus for synchronization among integrated circuits within a wireless network |
CN105027104B (zh) | 2013-03-15 | 2018-11-13 | 苹果公司 | 用于多分支数字总线的方法和装置 |
GB2536827B (en) * | 2014-05-09 | 2017-07-05 | Imagination Tech Ltd | Time stamp replication within a wireless network |
US10085224B2 (en) | 2014-11-19 | 2018-09-25 | Apple Inc. | Methods and apparatus for synchronization of media playback within a wireless network |
US10104148B2 (en) * | 2017-01-03 | 2018-10-16 | Globalfoundries Inc. | Nanosecond accuracy under precision time protocol for ethernet by using high accuracy timestamp assist device |
US10849086B2 (en) * | 2017-07-20 | 2020-11-24 | Itron Networked Solutions, Inc. | Compensating for oscillator drift in wireless mesh networks |
DE102018009825A1 (de) * | 2018-12-14 | 2020-06-18 | Diehl Metering S.A.S. | Verfahren zum Sammeln von Daten sowie Sensor und Versorgungsnetz |
US11128742B2 (en) | 2019-03-08 | 2021-09-21 | Microsemi Storage Solutions, Inc. | Method for adapting a constant bit rate client signal into the path layer of a telecom signal |
US11239933B2 (en) * | 2020-01-28 | 2022-02-01 | Microsemi Semiconductor Ulc | Systems and methods for transporting constant bit rate client signals over a packet transport network |
US11838111B2 (en) | 2021-06-30 | 2023-12-05 | Microchip Technology Inc. | System and method for performing rate adaptation of constant bit rate (CBR) client data with a variable number of idle blocks for transmission over a metro transport network (MTN) |
US11916662B2 (en) | 2021-06-30 | 2024-02-27 | Microchip Technology Inc. | System and method for performing rate adaptation of constant bit rate (CBR) client data with a fixed number of idle blocks for transmission over a metro transport network (MTN) |
US11736065B2 (en) | 2021-10-07 | 2023-08-22 | Microchip Technology Inc. | Method and apparatus for conveying clock-related information from a timing device |
US11799626B2 (en) | 2021-11-23 | 2023-10-24 | Microchip Technology Inc. | Method and apparatus for carrying constant bit rate (CBR) client signals |
EP4199384A1 (de) * | 2021-12-14 | 2023-06-21 | u-blox AG | Verfahren und vorrichtung zur bestimmung eines taktfrequenzversatzes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5249206A (en) * | 1989-08-11 | 1993-09-28 | International Business Machines Corporation | Fault-tolerant clock for multicomputer complex |
US5473640A (en) * | 1994-01-21 | 1995-12-05 | At&T Corp. | Phase-lock loop initialized by a calibrated oscillator-control value |
US5450394A (en) * | 1994-03-10 | 1995-09-12 | Northern Telecom Limited | Delay monitoring of telecommunication networks |
GB9419611D0 (en) * | 1994-09-29 | 1994-11-16 | Plessey Telecomm | Constant bit rate synchronisation |
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 |
SE507227C2 (sv) * | 1996-09-16 | 1998-04-27 | Ericsson Telefon Ab L M | Metod och anordning för synkronisering av tidsstämpling |
AUPO264996A0 (en) | 1996-09-27 | 1996-10-24 | Martin Communications Pty Ltd | Event recording and analysis in telecommunication networks |
DE19644238C2 (de) | 1996-10-24 | 1998-12-24 | Krone Ag | Verfahren zur Synchronisation von Übertragungen mit konstanter Bitrate in ATM-Netzen und Schaltungsanordnung zur Durchführung des Verfahrens |
-
1999
- 1999-01-12 SE SE9900053A patent/SE513899C2/sv unknown
-
2000
- 2000-01-10 CA CA002360591A patent/CA2360591C/en not_active Expired - Lifetime
- 2000-01-10 WO PCT/SE2000/000028 patent/WO2000042728A1/en active IP Right Grant
- 2000-01-10 AU AU21407/00A patent/AU2140700A/en not_active Abandoned
- 2000-01-10 DE DE60037008T patent/DE60037008T2/de not_active Expired - Lifetime
- 2000-01-10 EP EP00901365A patent/EP1145477B1/de not_active Expired - Lifetime
- 2000-01-11 US US09/480,182 patent/US6532274B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1145477B1 (de) | 2007-11-07 |
WO2000042728A1 (en) | 2000-07-20 |
EP1145477A1 (de) | 2001-10-17 |
SE9900053L (sv) | 2000-07-13 |
CA2360591A1 (en) | 2000-07-20 |
AU2140700A (en) | 2000-08-01 |
CA2360591C (en) | 2009-02-24 |
US6532274B1 (en) | 2003-03-11 |
SE513899C2 (sv) | 2000-11-20 |
DE60037008T2 (de) | 2008-08-28 |
SE9900053D0 (sv) | 1999-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |