ES420331A1 - Mejoras en los sistemas de sincronizacion de bloques. - Google Patents

Mejoras en los sistemas de sincronizacion de bloques.

Info

Publication number
ES420331A1
ES420331A1 ES420331A ES420331A ES420331A1 ES 420331 A1 ES420331 A1 ES 420331A1 ES 420331 A ES420331 A ES 420331A ES 420331 A ES420331 A ES 420331A ES 420331 A1 ES420331 A1 ES 420331A1
Authority
ES
Spain
Prior art keywords
signal
counter
mode
data
output signal
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
Application number
ES420331A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES420331A1 publication Critical patent/ES420331A1/es
Expired 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
    • H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
    • H04J3/073—Bit stuffing, e.g. PDH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
ES420331A 1972-11-07 1973-11-07 Mejoras en los sistemas de sincronizacion de bloques. Expired ES420331A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00304435A US3798378A (en) 1972-11-07 1972-11-07 Frame synchronization system

Publications (1)

Publication Number Publication Date
ES420331A1 true ES420331A1 (es) 1976-03-16

Family

ID=23176499

Family Applications (1)

Application Number Title Priority Date Filing Date
ES420331A Expired ES420331A1 (es) 1972-11-07 1973-11-07 Mejoras en los sistemas de sincronizacion de bloques.

Country Status (2)

Country Link
US (1) US3798378A (es)
ES (1) ES420331A1 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988528A (en) * 1972-09-04 1976-10-26 Nippon Hoso Kyokai Signal transmission system for transmitting a plurality of information signals through a plurality of transmission channels
US3921076A (en) * 1973-03-08 1975-11-18 Int Navigation Corp Method of and apparatus for locating predetermined portions of a radio-frequency pulse, particularly adapted for leading edge location of loran and similar navigational pulses
US3854011A (en) * 1973-09-24 1974-12-10 Gen Dynamics Corp Frame synchronization system for digital multiplexing systems
US3936601A (en) * 1974-05-28 1976-02-03 Burroughs Corporation Method and apparatus for altering the synchronous compare character in a digital data communication system
US3940563A (en) * 1974-10-23 1976-02-24 Trw Inc. Reframing method for a carrier system having a serial digital data bit stream
US3971888A (en) * 1975-04-02 1976-07-27 Bell Telephone Laboratories, Incorporated Synchronization system for variable length encoded signals
US3982074A (en) * 1975-04-21 1976-09-21 International Telephone And Telegraph Corporation Automatic channel assignment circuit
FR2320023A1 (fr) * 1975-07-28 1977-02-25 Constr Telephoniques Procede et dispositif de resynchronisation d'informations entrantes structurees en trames
US4173014A (en) * 1977-05-18 1979-10-30 Martin Marietta Corporation Apparatus and method for receiving digital data at a first rate and outputting the data at a different rate
US4450558A (en) * 1981-01-12 1984-05-22 General Datacomm Industries, Inc. Method and apparatus for establishing frame synchronization
DE3238973A1 (de) * 1982-10-21 1984-04-26 Siemens AG, 1000 Berlin und 8000 München Verfahren zur digitalen nachrichtenuebertragung
US4633486A (en) * 1983-07-28 1986-12-30 Cyclotomics, Inc. Method and apparatus for synchronization by coherent reinforcement
DE3333714A1 (de) * 1983-09-17 1985-04-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur rahmen- und phasensynchronisation eines empfangsseitigen abtasttaktes
JPS60212049A (ja) * 1984-04-06 1985-10-24 Nec Corp フレ−ム同期方式
US4757536A (en) * 1984-10-17 1988-07-12 General Electric Company Method and apparatus for transceiving cryptographically encoded digital data
CA1253639A (en) * 1986-01-22 1989-05-02 Alan F. Graves Frame alignment of tributaries of a t.d.m. bit stream
US4852128A (en) * 1986-07-23 1989-07-25 Optical Communications Corp. Optical communications transmitter and receiver
US4899383A (en) * 1987-09-08 1990-02-06 Westinghouse Electric Corp. Apparatus and method for secure digital communication
US4835768A (en) * 1988-04-14 1989-05-30 Bell Communications Research, Inc. High speed digital signal framer-demultiplexer
US5335228A (en) * 1992-09-30 1994-08-02 At&T Bell Laboratories Synchronization related to data streams
JP2872012B2 (ja) * 1993-09-28 1999-03-17 日本電気株式会社 チャンネル選択方式及びデータ受信装置
CA2128587A1 (en) * 1994-07-21 1996-01-22 Ed Morson Method and arrangement for recognition of a coded transmitted signal
US5590161A (en) * 1994-08-23 1996-12-31 Tektron Micro Electronics, Inc. Apparatus for synchronizing digital data without using overhead frame bits by using deliberately introduced errors for indicating superframe synchronization of audio signals
US5883929A (en) * 1996-04-03 1999-03-16 Ericsson, Inc. Synchronization method, and associated circuitry, for synchronizing a receiver with a transmitter
DE69930172T2 (de) * 1998-06-26 2006-07-27 Aware, Inc., Bedford Mehrträgerkommunikation mit verstellbarer Rahmenkopfrate
US6377575B1 (en) 1998-08-05 2002-04-23 Vitesse Semiconductor Corporation High speed cross point switch routing circuit with word-synchronous serial back plane
US6445719B1 (en) * 1998-08-28 2002-09-03 Adtran Inc. Method, system and apparatus for reducing synchronization and resynchronization times for systems with pulse stuffing
US6807151B1 (en) * 2000-03-27 2004-10-19 At&T Corp Apparatus and method for group-wise detection of failure condition
EP1307820B1 (en) * 2000-06-06 2014-07-23 Vitesse Semiconductor Corporation Crosspoint switch with switch matrix module
US7283547B1 (en) * 2000-08-11 2007-10-16 Ericsson Ab Switch fabrics logical synchronization utilizing propagation lockdown
US6882663B2 (en) * 2003-03-31 2005-04-19 Motorola, Inc. Method for synchronizing a control channel to a working channel
US8364185B2 (en) * 2005-04-18 2013-01-29 Samsung Electronics Co., Ltd. Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662114A (en) * 1970-05-13 1972-05-09 Itt Frame synchronization system
US3754102A (en) * 1972-05-10 1973-08-21 Itt Frame synchronization system

Also Published As

Publication number Publication date
US3798378A (en) 1974-03-19

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