ATE425606T1 - Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen - Google Patents

Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen

Info

Publication number
ATE425606T1
ATE425606T1 AT02755999T AT02755999T ATE425606T1 AT E425606 T1 ATE425606 T1 AT E425606T1 AT 02755999 T AT02755999 T AT 02755999T AT 02755999 T AT02755999 T AT 02755999T AT E425606 T1 ATE425606 T1 AT E425606T1
Authority
AT
Austria
Prior art keywords
signal
sources
phase jumps
reducing phase
syncronization
Prior art date
Application number
AT02755999T
Other languages
English (en)
Inventor
Arild Wego
Pal Hellum
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE425606T1 publication Critical patent/ATE425606T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • 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
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT02755999T 2002-08-30 2002-08-30 Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen ATE425606T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2002/000304 WO2004021636A1 (en) 2002-08-30 2002-08-30 Method and arrangement for reducing phase jumps when switching between synchronisation sources

Publications (1)

Publication Number Publication Date
ATE425606T1 true ATE425606T1 (de) 2009-03-15

Family

ID=31973752

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02755999T ATE425606T1 (de) 2002-08-30 2002-08-30 Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen

Country Status (8)

Country Link
US (1) US7155191B2 (de)
EP (1) EP1532764B1 (de)
CN (1) CN100393024C (de)
AT (1) ATE425606T1 (de)
AU (1) AU2002321951A1 (de)
DE (1) DE60231563D1 (de)
RU (1) RU2288543C2 (de)
WO (1) WO2004021636A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7747237B2 (en) * 2004-04-09 2010-06-29 Skyworks Solutions, Inc. High agility frequency synthesizer phase-locked loop
CN1848713B (zh) * 2005-11-17 2010-08-11 华为技术有限公司 时分复用系统子节点帧同步实现方法及实现装置
DE102006024470B4 (de) * 2006-05-24 2015-07-09 Xignal Technologies Ag Umschaltbarer Phasenregelkreis sowie Verfahren zum Betrieb eines umschaltbaren Phasenregelkreises
DE102007046300A1 (de) * 2007-07-26 2009-01-29 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Synchronisation von mehreren Messkanalbaugruppen und/oder Messgeräten sowie entsprechendes Messgerät
US7902886B2 (en) * 2007-10-30 2011-03-08 Diablo Technologies Inc. Multiple reference phase locked loop
RU2665241C1 (ru) * 2017-10-13 2018-08-28 Геннадий Сендерович Брайловский Способ подстройки частоты и фазовый детектор
CN116387956B (zh) * 2023-03-09 2026-03-03 国科大杭州高等研究院 基于pdh技术的激光器数字锁频主控模块及数字锁频系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff
SU1827053A3 (ru) * 1991-01-24 1993-07-07 Bopoheжckий Haучho-Иccлeдobateльckий Иhctиtуt Cbязи Шиpokoпoлochaя paдиoлиhия пpиemoпepeдaчи диckpethoй иhфopmaции
FR2698744B1 (fr) * 1992-11-30 1995-01-13 Alcatel Radiotelephone Procédé d'ajustement optimal de trames de paroles et station d'émission/réception de base mettant en Óoeuvre ce procédé.
DK138196A (da) 1996-12-04 1998-06-05 Dsc Communications As Fremgangsmåde og kredsløb til frembringelse af et systemkloksignal
DK138096A (da) * 1996-12-04 1998-06-05 Dsc Communications As Fremgangsmåde og kredsløb til frembringelse af et centralt kloksignal
US6087920A (en) * 1997-02-11 2000-07-11 Pulse Engineering, Inc. Monolithic inductor
US5909149A (en) * 1997-08-29 1999-06-01 Lucent Technologies, Inc. Multiband phase locked loop using a switched voltage controlled oscillator
JP3237637B2 (ja) 1999-01-05 2001-12-10 日本電気株式会社 クロック同期回路
CN1160862C (zh) * 1999-12-29 2004-08-04 上海贝尔有限公司 控制时钟信号切换时相位瞬变的方法及其装置
JP4228518B2 (ja) * 2000-06-09 2009-02-25 パナソニック株式会社 デジタルｐｌｌ装置
US6489852B1 (en) * 2000-07-20 2002-12-03 Marconi Communications, Inc. Slew controlled frame aligner for a phase locked loop
US6744787B1 (en) * 2000-10-27 2004-06-01 Pmc-Sierra, Inc. Adaptive phase shift filtration of pointer justification jitter in synchronous-plesiosynchronous signal desynchronization
DE10123932B4 (de) * 2001-05-11 2005-03-24 Siemens Ag Verfahren zur Erzeugung eines internen Taktes in einer elektrischen Schaltung und entsprechende elektrische Schaltung mit einem zentralen Taktgenerator
JP3531630B2 (ja) * 2001-08-07 2004-05-31 日本電気株式会社 クロック生成回路
US6621304B2 (en) * 2001-11-06 2003-09-16 Infineon Technologies Aktiengesellschaft Clocking and synchronization circuitry
US6999480B2 (en) * 2001-11-26 2006-02-14 Applied Micro Circuits Corporation Method and apparatus for improving data integrity and desynchronizer recovery time after a loss of signal
DE60219527T8 (de) * 2002-01-16 2008-04-10 Mitsubishi Denki K.K. Takterzeugungsschaltung

Also Published As

Publication number Publication date
EP1532764B1 (de) 2009-03-11
US7155191B2 (en) 2006-12-26
WO2004021636A1 (en) 2004-03-11
CN1650567A (zh) 2005-08-03
RU2288543C2 (ru) 2006-11-27
DE60231563D1 (de) 2009-04-23
CN100393024C (zh) 2008-06-04
EP1532764A1 (de) 2005-05-25
RU2005108980A (ru) 2005-08-27
AU2002321951A1 (en) 2004-03-19
US20050245223A1 (en) 2005-11-03

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