DE69034026T2 - Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit Jitter - Google Patents

Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit Jitter

Info

Publication number
DE69034026T2
DE69034026T2 DE69034026T DE69034026T DE69034026T2 DE 69034026 T2 DE69034026 T2 DE 69034026T2 DE 69034026 T DE69034026 T DE 69034026T DE 69034026 T DE69034026 T DE 69034026T DE 69034026 T2 DE69034026 T2 DE 69034026T2
Authority
DE
Germany
Prior art keywords
jitter
clock
regenerating
correction circuits
clock signals
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
DE69034026T
Other languages
English (en)
Other versions
DE69034026D1 (de
Inventor
C Upp
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.)
Transwitch Corp
Original Assignee
Transwitch Corp
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 Transwitch Corp filed Critical Transwitch Corp
Application granted granted Critical
Publication of DE69034026D1 publication Critical patent/DE69034026D1/de
Publication of DE69034026T2 publication Critical patent/DE69034026T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605Fixed allocated frame structures
    • H04J3/1611Synchronous digital hierarchy [SDH] or SONET
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/06Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/07Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
    • H04J3/076Bit and byte stuffing, e.g. SDH/PDH desynchronisers, bit-leaking
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2205/00Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F2205/06Indexing scheme relating to groups G06F5/06 - G06F5/16
    • G06F2205/061Adapt frequency, i.e. clock frequency at one side is adapted to clock frequency, or average clock frequency, at the other side; Not pulse stuffing only
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2205/00Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F2205/12Indexing scheme relating to groups G06F5/12 - G06F5/14
    • G06F2205/123Contention resolution, i.e. resolving conflicts between simultaneous read and write operations
DE69034026T 1989-11-17 1990-11-16 Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit Jitter Expired - Fee Related DE69034026T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/439,097 US5033064A (en) 1988-12-09 1989-11-17 Clock dejitter circuit for regenerating DS1 signal
PCT/US1990/006742 WO1991007830A1 (en) 1989-11-17 1990-11-16 Clock dejitter circuits for regenerating jittered clock signals

Publications (2)

Publication Number Publication Date
DE69034026D1 DE69034026D1 (de) 2003-01-23
DE69034026T2 true DE69034026T2 (de) 2003-09-25

Family

ID=23743279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69034026T Expired - Fee Related DE69034026T2 (de) 1989-11-17 1990-11-16 Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit Jitter

Country Status (6)

Country Link
US (2) US5033064A (de)
EP (1) EP0579595B1 (de)
JP (1) JPH05503195A (de)
CA (1) CA2068867C (de)
DE (1) DE69034026T2 (de)
WO (1) WO1991007830A1 (de)

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US5033064A (en) * 1988-12-09 1991-07-16 Transwitch Corporation Clock dejitter circuit for regenerating DS1 signal
US5297180A (en) * 1989-11-17 1994-03-22 Transwitch Corporation Digital clock dejitter circuits for regenerating clock signals with minimal jitter
US5157655A (en) * 1990-10-31 1992-10-20 Transwitch Corp. Apparatus for generating a ds-3 signal from the data component of an sts-1 payload signal
GB9024084D0 (en) * 1990-11-06 1990-12-19 Int Computers Ltd First-in-first-out buffer
JP2723699B2 (ja) 1991-07-31 1998-03-09 日本電気株式会社 Tu−3ポインター付替処理方式
US5691976A (en) * 1992-04-02 1997-11-25 Applied Digital Access Performance monitoring and test system for a telephone network
JP2888022B2 (ja) * 1992-04-02 1999-05-10 三菱電機株式会社 通信制御装置
DE4238090C1 (de) * 1992-11-11 1994-03-03 Siemens Ag Verfahren und Anordnung zur Rückgewinnung von in Funktionsdatenblöcken übertragenen plesiochronen Signalen
US5784377A (en) * 1993-03-09 1998-07-21 Hubbell Incorporated Integrated digital loop carrier system with virtual tributary mapper circuit
US5367534A (en) * 1993-06-16 1994-11-22 Universal Data Systems, Inc. Synchronous flow control method
ES2102938B1 (es) * 1994-03-28 1998-04-16 Alcatel Standard Electrica Sistema de reduccion de fluctuaciones de fase en demultiplexores digitales.
DE4412060C1 (de) * 1994-04-07 1995-02-23 Siemens Ag Anordnung zur Rückgewinnung eines plesiochronen Digitalsignals
US5548534A (en) * 1994-07-08 1996-08-20 Transwitch Corporation Two stage clock dejitter circuit for regenerating an E4 telecommunications signal from the data component of an STS-3C signal
WO1997025794A2 (en) * 1996-01-12 1997-07-17 Philips Electronics N.V. Transmitter for and method of transmitting a wideband digital information signal, and receiver
US6064706A (en) * 1996-05-01 2000-05-16 Alcatel Usa, Inc. Apparatus and method of desynchronizing synchronously mapped asynchronous data
CN1061193C (zh) * 1996-09-13 2001-01-24 清华大学 双自法频率预测恢复收端支路时钟的方法及装置
US6205182B1 (en) * 1998-02-25 2001-03-20 Cisco Technology, Inc. Encoding a clock signal and a data signal into a single signal for distribution in a signal forwarding device
US6647502B1 (en) * 1999-07-13 2003-11-11 Sony Corporation Method and apparatus for providing power based on the amount of data stored in buffers
US6356550B1 (en) 1999-07-30 2002-03-12 Mayan Networks Corporation Flexible time division multiplexed bus using sonet formatting
CN1307406A (zh) 2000-01-27 2001-08-08 华为技术有限公司 数字锁相环的滤波方法
US6577651B2 (en) * 2001-01-24 2003-06-10 Transwitch Corp. Methods and apparatus for retiming and realigning sonet signals
US6463111B1 (en) 2001-05-25 2002-10-08 Transwitch Corporaton Method and apparatus for desynchronizing a DS-3 signal and/or an E3 signal from the data portion of an STS-STM payload
CN1330095C (zh) * 2003-04-14 2007-08-01 中兴通讯股份有限公司 实现e1/t1去抖动的单晶振数字锁相环装置
US7349444B2 (en) * 2004-08-23 2008-03-25 Transwitch Corporation SONET/SDH SPE/virtual container retiming with adaptive dual pointer leak rate computation
CN104219015B (zh) * 2013-06-03 2018-05-25 中兴通讯股份有限公司 一种sdh中支路信号的时钟和数据恢复方法及装置

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DE2023656B2 (de) * 1970-05-14 1975-11-13 Krone Gmbh, 1000 Berlin Verfahren zur empfangsseitigen Rückgewinnung der plesiochronen Primärtakte mehrerer sendeseitig zu einem Zeitvielfach höherer Ordnung zusammengefaßter primärer Zeitvielfachsysteme
DE2136930B2 (de) * 1970-05-14 1976-10-07 Zusatzzu:20 23 656 Krone GmbH, 1000 Berlin Verfahren zur empfangsseitigen rueckgewinnung der plesiochronen primaertakte mehrerer sendeseitig zu einem zeitvielfach hoeherer ordnung zusammengefasster primaerer zeitvielfachsysteme und schaltungsanordnung zur durchfuehrung des verfahrens
US4053715A (en) * 1976-03-22 1977-10-11 Trw Inc. Stuffing channel unit for telephone pcm system
DE2644689A1 (de) * 1976-10-02 1978-04-06 Tekade Felten & Guilleaume Verfahren zur erzeugung eines niederfrequenten taktes aus einem hoeherfrequenten takt
US4159535A (en) * 1978-01-23 1979-06-26 Rockwell International Corporation Framing and elastic store circuit apparatus
US4551830A (en) * 1984-03-19 1985-11-05 Rockwell International Corporation Apparatus for providing loopback of signals where the signals being looped back have an overhead data format which is incompatible with a high speed intermediate carrier overhead format
FR2562368B1 (fr) * 1984-04-02 1989-07-28 Cit Alcatel Reseau de connexion spatial pour signaux numeriques a haut debit
US4644535A (en) * 1984-04-26 1987-02-17 Data General Corp. PCM channel multiplexer/demultiplexer
US4771426A (en) * 1984-07-20 1988-09-13 Unisys Corporation Isochronous clock reconstruction
US4613969A (en) * 1984-11-05 1986-09-23 Gte Communication Systems Corporation Method for controlling a multistage space switching network
US4697262A (en) * 1984-12-20 1987-09-29 Siemens Aktiengesellschaft Digital carrier channel bus interface module for a multiplexer having a cross-connect bus system
US4685101A (en) * 1984-12-20 1987-08-04 Siemens Aktiengesellschaft Digital multiplexer for PCM voice channels having a cross-connect capability
JP2565184B2 (ja) * 1985-02-28 1996-12-18 ソニー株式会社 信号選択回路
US4674088A (en) * 1985-03-07 1987-06-16 Northern Telecom Limited Method and apparatus for detecting frame synchronization
CA1232693A (en) * 1985-09-05 1988-02-09 Alan F. Graves Network multiplex structure
US4731878A (en) * 1985-11-29 1988-03-15 American Telephone And Telegraph Company, At&T Bell Laboratories Self-routing switch node combining electronic and photonic switching
EP0232437B1 (de) * 1985-12-04 1990-06-13 International Business Machines Corporation Multiplexschnittstelle für eine Übertragungssteuerung
US4658152A (en) * 1985-12-04 1987-04-14 Bell Communications Research, Inc. Adaptive rate multiplexer-demultiplexer
US4719624A (en) * 1986-05-16 1988-01-12 Bell Communications Research, Inc. Multilevel multiplexing
US4852128A (en) * 1986-07-23 1989-07-25 Optical Communications Corp. Optical communications transmitter and receiver
US4935921A (en) * 1986-09-30 1990-06-19 Nec Corporation Cross-connection network using time switch
US4834483A (en) * 1987-05-06 1989-05-30 Bell Communications Research, Inc. Fast optical cross-connect for parallel processing computers
US4807280A (en) * 1987-09-18 1989-02-21 Pacific Bell Cross-connect switch
US4855999A (en) * 1987-11-10 1989-08-08 Bell Communications Research, Inc. DTDM multiplexer with cross-point switch
US4833673A (en) * 1987-11-10 1989-05-23 Bell Communications Research, Inc. Time division multiplexer for DTDM bit streams
US4899333A (en) * 1988-03-31 1990-02-06 American Telephone And Telegraph Company At&T Bell Laboratories Architecture of the control of a high performance packet switching distribution network
US5033064A (en) * 1988-12-09 1991-07-16 Transwitch Corporation Clock dejitter circuit for regenerating DS1 signal
US4914429A (en) * 1988-12-09 1990-04-03 Transwitch Corp. Switch components and multiple data rate non-blocking switch network utilizing the same
US4928275A (en) * 1989-05-26 1990-05-22 Northern Telecom Limited Synchronization of asynchronous data signals

Also Published As

Publication number Publication date
EP0579595A4 (de) 1993-01-22
CA2068867A1 (en) 1991-05-18
US5033064A (en) 1991-07-16
US5289507A (en) 1994-02-22
EP0579595A1 (de) 1994-01-26
CA2068867C (en) 2000-04-11
JPH05503195A (ja) 1993-05-27
WO1991007830A1 (en) 1991-05-30
DE69034026D1 (de) 2003-01-23
EP0579595B1 (de) 2002-12-11

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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