ES2095409T3 - Dispositivo de sincronizacion adaptativo. - Google Patents

Dispositivo de sincronizacion adaptativo.

Info

Publication number
ES2095409T3
ES2095409T3 ES92306043T ES92306043T ES2095409T3 ES 2095409 T3 ES2095409 T3 ES 2095409T3 ES 92306043 T ES92306043 T ES 92306043T ES 92306043 T ES92306043 T ES 92306043T ES 2095409 T3 ES2095409 T3 ES 2095409T3
Authority
ES
Spain
Prior art keywords
telephone system
synchronized
switching systems
synchronization
packages
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
Application number
ES92306043T
Other languages
English (en)
Other versions
ES9195409T3 (es
Inventor
Charles Yeomans Farwell
Michel Lee Hearn
Richard Michael Heidebrecht
Kelvin Ki-Yui Ho
Douglas Albert Spencer
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.)
AT&T Corp
Original Assignee
AT&T 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24922886&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2095409(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of ES2095409T3 publication Critical patent/ES2095409T3/es
Publication of ES9195409T3 publication Critical patent/ES9195409T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • 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
    • 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
    • H04J3/0673—Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

SE PRESENTA UN SISTEMA DE RADIOTELEFONO CELULAR CDMA QUE TIENE SISTEMA DE CONMUTACION (201) SINCRONIZADOS CON LAS SEÑALES DE SINCRONIZACION DE LA RED TELEFONICA PUBLICA (100) Y RADIOTELEFONOS (203) Y ESTACIONES BASE (202) SINCRONIZADAS A UN GENERADOR DE IMPULSOS DIFERENTE. LOS DESFASES DE TRANSMISION ENTRE LAS ESTACIONES BASE Y LA RED TELEFONICA PUBLICA SON VARIABLES. LOS SISTEMAS DE CONMUTACION INCLUYEN INTERFACES DE COMUNICACIONES DIGITALES CON EL SISTEMA TELEFONICO PUBLICO, CUYAS CONEXIONES CON EL SISTEMA TELEFONICO ESTAN SINCRONIZADAS CON EL SISTEMA TELEFONICO, Y CUYAS CONEXIONES CON LAS CELULAS ESTAN NOMINALMENTE SINCRONIZADAS TAMBIEN CON EL SISTEMA TELEFONICA PERO CUYO PROCESADOR FUNCIONA PARA CADA LLAMADA DENTRO DE VENTANAS PREDEFINIDAS O RELACIONES DE FASE PARE EL FUNCIONAMIENTO DE LA CELULA QUE ESTA MANEJANDO LA LLAMADA, Y OCASIONALMENTE AJUSTA SUS RELACIONES DE FASE CON RESPECTO AL FUNCIONAMIENTO DEL SISTEMA TELEFONICO PARA CONSEGUIR MANTENER SU FUNCIONAMIENTO DENTRO DE LAS VENTANAS PREDEFINIDAS. LAS COMUNICACIONES DE PAQUETES CONMUTADOS ENTRE LAS CELULAS Y LOS SISTEMAS DE CONMUTACION ABSORBEN LAS FLUCTUACIONES DE LA RELACION DE FASE Y LOS AJUSTES DE SINCRONIZACION EN LOS INTERVALOS ENTRE PAQUETES. LAS COMUNICACIONES DIGITALES DE CIRCUITO CONMUTADO ENTRE LOS SISTEMAS DE CONMUTACION Y EL SISTEMA TELEFONICO ABSORBEN LOS AJUSTES DE SINCRONIZACION POR MEDIO DE INSERCIONES O ELIMINACIONES DE BITS EN EL FLUJO DE BITS DEL TRAFICO DE COMUNICACIONES.
ES92306043T 1991-07-09 1992-06-30 Dispositivo de sincronizacion adaptativo. Expired - Lifetime ES2095409T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/727,491 US5184347A (en) 1991-07-09 1991-07-09 Adaptive synchronization arrangement

Publications (2)

Publication Number Publication Date
ES2095409T3 true ES2095409T3 (es) 1997-02-16
ES9195409T3 ES9195409T3 (es) 1997-02-16

Family

ID=24922886

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92306043T Expired - Lifetime ES2095409T3 (es) 1991-07-09 1992-06-30 Dispositivo de sincronizacion adaptativo.

Country Status (8)

Country Link
US (1) US5184347A (es)
EP (1) EP0522775B1 (es)
JP (1) JPH07105785B2 (es)
CA (1) CA2066539C (es)
DE (1) DE69215774T2 (es)
ES (1) ES2095409T3 (es)
HK (1) HK45797A (es)
SG (1) SG44465A1 (es)

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CA2066539C (en) 1997-12-23
EP0522775A3 (en) 1993-10-20
SG44465A1 (en) 1997-12-19
DE69215774D1 (de) 1997-01-23
CA2066539A1 (en) 1993-01-10
DE69215774T2 (de) 1997-04-03
JPH06252908A (ja) 1994-09-09
EP0522775A2 (en) 1993-01-13
HK45797A (en) 1997-04-18
JPH07105785B2 (ja) 1995-11-13
ES9195409T3 (es) 1997-02-16
US5184347A (en) 1993-02-02
EP0522775B1 (en) 1996-12-11

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