FR2673343B1 - Systeme de telecommunication permettant d'harmoniser les frequences des signaux d'horloge dans des reseaux, notamment radiotelephoniques numeriques, independants. - Google Patents

Systeme de telecommunication permettant d'harmoniser les frequences des signaux d'horloge dans des reseaux, notamment radiotelephoniques numeriques, independants.

Info

Publication number
FR2673343B1
FR2673343B1 FR9202058A FR9202058A FR2673343B1 FR 2673343 B1 FR2673343 B1 FR 2673343B1 FR 9202058 A FR9202058 A FR 9202058A FR 9202058 A FR9202058 A FR 9202058A FR 2673343 B1 FR2673343 B1 FR 2673343B1
Authority
FR
France
Prior art keywords
harmonizing
frequencies
clock signals
telecommunication system
radio telephone
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
FR9202058A
Other languages
English (en)
Other versions
FR2673343A1 (fr
Inventor
Nimrod Averbuch
Steven V Schatz
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.)
Motorola Mobility LLC
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2673343A1 publication Critical patent/FR2673343A1/fr
Application granted granted Critical
Publication of FR2673343B1 publication Critical patent/FR2673343B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/05—Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/06—Methods 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-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
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1623—Plesiochronous digital hierarchy [PDH]
    • H04J3/1635—Format conversion, e.g. CEPT/US
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2205/00—Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F2205/06—Indexing scheme relating to groups G06F5/06 - G06F5/16
    • G06F2205/061—Adapt 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
  • Dc Digital Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR9202058A 1991-02-22 1992-02-21 Systeme de telecommunication permettant d'harmoniser les frequences des signaux d'horloge dans des reseaux, notamment radiotelephoniques numeriques, independants. Expired - Lifetime FR2673343B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66045491A 1991-02-22 1991-02-22

Publications (2)

Publication Number Publication Date
FR2673343A1 FR2673343A1 (fr) 1992-08-28
FR2673343B1 true FR2673343B1 (fr) 1994-09-23

Family

ID=24649602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9202058A Expired - Lifetime FR2673343B1 (fr) 1991-02-22 1992-02-21 Systeme de telecommunication permettant d'harmoniser les frequences des signaux d'horloge dans des reseaux, notamment radiotelephoniques numeriques, independants.

Country Status (27)

Country Link
US (1) US5502752A (fr)
JP (1) JP2987935B2 (fr)
KR (1) KR0127995B1 (fr)
CN (1) CN1032101C (fr)
AT (1) AT407812B (fr)
AU (1) AU658402B2 (fr)
BR (1) BR9205605A (fr)
CA (1) CA2100753C (fr)
DE (2) DE4290392C2 (fr)
DK (1) DK173808B1 (fr)
FI (1) FI115354B (fr)
FR (1) FR2673343B1 (fr)
GB (1) GB2269300B (fr)
GE (1) GEP19991767B (fr)
GR (1) GR920100062A (fr)
HU (1) HU216677B (fr)
IL (1) IL100871A (fr)
IT (1) IT1258355B (fr)
MX (1) MX9200735A (fr)
NZ (1) NZ241673A (fr)
RU (1) RU2145466C1 (fr)
SE (1) SE516082C2 (fr)
TR (1) TR25708A (fr)
TW (1) TW208767B (fr)
UA (1) UA40009C2 (fr)
WO (1) WO1992015159A1 (fr)
ZA (1) ZA92950B (fr)

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DE69328176T2 (de) * 1993-08-26 2000-12-21 Hewlett-Packard Co., Palo Alto Übertragungssystem
US5592556A (en) * 1994-08-09 1997-01-07 Ericsson Ge Mobile Communications Inc. Digital radio with vocoding encrypting codec
US20100208634A1 (en) 1994-10-11 2010-08-19 Arbinet Corporation System and Method For Managing Multimedia Communications Across Convergent Networks
US5596575A (en) * 1995-05-05 1997-01-21 Digital Equipment Corporation Automatic network speed adapter
PT2315398E (pt) * 1995-10-11 2014-05-06 Aip Acquisition Llc Rede de comunicação eficiente
DE19541398A1 (de) * 1995-11-07 1997-05-15 Sel Alcatel Ag Netzanpassungszentrale für ein Mobilfunknetz
FI100570B (fi) * 1995-11-15 1997-12-31 Nokia Telecommunications Oy Synkroninen datansiirtomenetelmä ja -järjestely
US5680415A (en) * 1996-05-31 1997-10-21 Unisys Corporation Repeater for a digital communication system which eliminates cumulative jitter
US5694432A (en) * 1996-05-31 1997-12-02 Unisys Corporation Transmitter for a digital communication system which eliminates cumulative jitter
US5689531A (en) * 1996-05-31 1997-11-18 Unisys Corporation Receiver for a digital communication system which eliminates cumulative jitter
US5680416A (en) * 1996-05-31 1997-10-21 Unisys Corporation Digital communication system which eliminates cumulative jitter
US5862141A (en) * 1996-06-14 1999-01-19 Lucent Technologies Inc. Variable bitrate radio modem system to enhance data transmission and reduce error rates
FI102931B (fi) 1996-10-30 1999-03-15 Nokia Telecommunications Oy Verkosta riippumaton kellotus tietoliikennejärjestelmässä
JP3097737B2 (ja) * 1997-01-27 2000-10-10 日本電気株式会社 バーストクロック対応メモリ回路
US6084934A (en) * 1997-03-06 2000-07-04 International Business Machines Corporation Natural throttling of data transfer across asynchronous boundaries
DE19737589C1 (de) * 1997-08-28 1998-11-26 Siemens Ag Interfaceschaltung für fullcustom- und semicustom-Taktdomänen
US5953331A (en) * 1997-09-09 1999-09-14 Lucent Technologies Inc. Wireless packet system for efficient wide area bandwidth utilization
US6285659B1 (en) * 1997-09-10 2001-09-04 Level One Communications, Inc. Automatic protocol selection mechanism
US6108348A (en) * 1997-09-12 2000-08-22 Lockheed Martin Corporation 2.4-to-3 kbps rate adaptation apparatus for use in narrowband data and facsimile communications systems
US6459696B1 (en) * 1998-06-22 2002-10-01 Nortel Networks Limited Method and system for avoiding data loss in communications systems
US6721356B1 (en) * 2000-01-03 2004-04-13 Advanced Micro Devices, Inc. Method and apparatus for buffering data samples in a software based ADSL modem
US7076016B1 (en) 2000-02-28 2006-07-11 Advanced Micro Devices, Inc. Method and apparatus for buffering data samples in a software based ADSL modem
US6724846B1 (en) * 2000-04-28 2004-04-20 Hewlett-Packard Development Company, L.P. Simple, high performance, bit-sliced mesochronous synchronizer for a source synchronous link
US6728931B2 (en) * 2001-03-22 2004-04-27 Promos Technologies, Inc. Time data compression technique for high speed integrated circuit memory devices
JP4062104B2 (ja) * 2003-01-24 2008-03-19 株式会社リコー ファクシミリ用モデム装置
RU2297106C1 (ru) * 2005-08-10 2007-04-10 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Сигнал" Устройство сопряжения оконечного оборудования данных с каналом связи
JP5570619B2 (ja) * 2010-02-23 2014-08-13 ラムバス・インコーポレーテッド 異なるメモリ種類にアクセスする異なる速度での時分割多重化
EA021193B1 (ru) * 2011-10-06 2015-04-30 Открытое Акционерное Общество "Агат - Системы Управления" - Управляющая Компания Холдинга "Геоинформационные Системы Управления" Автоматизированная система управления командного пункта военно-воздушных сил и войск противовоздушной обороны
US8924764B1 (en) * 2012-11-15 2014-12-30 Qlogic, Corporation Systems and methods for rate matching in networks utilizing a strobe counter
CN107709209B (zh) * 2015-06-15 2019-09-17 三菱电机株式会社 电梯安全系统
US10396922B2 (en) 2017-02-07 2019-08-27 Texas Instruments Incorporated Apparatus and mechanism to support multiple time domains in a single soc for time sensitive network

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US3420956A (en) * 1966-01-04 1969-01-07 Bell Telephone Labor Inc Jitter reduction in pulse multiplexing systems employing pulse stuffing
US3873773A (en) * 1971-10-26 1975-03-25 Martin Marietta Corp Forward bit count integrity detection and correction technique for asynchronous systems
LU74196A1 (fr) * 1975-05-28 1976-05-18
GB1581521A (en) * 1978-05-31 1980-12-17 Digital Communications Corp Tdma multiplexer-demultiplexer with multiple ports
US4716575A (en) * 1982-03-25 1987-12-29 Apollo Computer, Inc. Adaptively synchronized ring network for data communication
SU1290546A1 (ru) * 1983-06-30 1987-02-15 Ленинградский институт инженеров железнодорожного транспорта им.акад.В.Н.Образцова Система линейной дуплексной радиосв зи с подвижными объектами
DE3410188C2 (de) * 1984-03-20 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Schaltungsanordnung zur Taktkorrektur in einer digitalen Datenübertragungseinrichtung
US4592050A (en) * 1984-03-29 1986-05-27 International Business Machines Corporation Apparatus and method for providing a transparent interface across a satellite communications link
US4803726A (en) * 1986-12-31 1989-02-07 Motorola, Inc. Bit synchronization method for a digital radio telephone system
US4759041A (en) * 1987-02-19 1988-07-19 Unisys Corporation Local area network control system synchronization with phase-lock loop
US4941156A (en) * 1987-05-19 1990-07-10 Crystal Semiconductor Linear jitter attenuator
US4791652A (en) * 1987-06-04 1988-12-13 Northern Telecom Limited Synchronization of asynchronous data signals
FR2627040B1 (fr) * 1988-02-09 1993-12-03 Labo Central Telecommunications Procede et dispositifs de synchronisation entre des terminaux communiquant par l'intermediaire d'une chaine n'assurant pas la transparence temporelle
DE3854231D1 (de) * 1988-04-29 1995-08-31 Ibm Bitratenadaptionssystem für digitale Übertragungssysteme.
US4885758A (en) * 1988-06-06 1989-12-05 Hayes Microcomputer Products, Inc. Speed correction and stop bit control circuit for data communications device
US4910794A (en) * 1988-08-04 1990-03-20 Norand Corporation Mobile radio data communication system and method
FR2649842B1 (fr) * 1989-07-17 1994-04-08 Alcatel Cit Reseau d'acces pour service de telephonie sans fil
IT1236730B (it) * 1989-10-31 1993-03-31 Sgs Thomson Microelectronics Adattatore monolitico della velocita' per rete numerica integrata nei servizi (rnis o isdn).
US5140627A (en) * 1990-10-09 1992-08-18 Telefonaktiebolaget L M Ericsson Handoff procedure that minimizes disturbances to dtmf signalling in a cellular radio system
FR2667748A1 (fr) * 1990-10-09 1992-04-10 Trt Telecom Radio Electr Systeme de transmission d'informations selon un multiplex temporel presentant une structure variable.
US5140616A (en) * 1990-11-19 1992-08-18 Ag Communication Systems Corporation Network independent clocking circuit which allows a synchronous master to be connected to a circuit switched data adapter

Also Published As

Publication number Publication date
ZA92950B (en) 1992-11-25
GEP19991767B (en) 1999-09-10
JP2987935B2 (ja) 1999-12-06
FI933673L (fi) 1993-08-20
KR930703770A (ko) 1993-11-30
IL100871A (en) 1994-11-28
AT407812B (de) 2001-06-25
MX9200735A (es) 1992-10-01
GB2269300A (en) 1994-02-02
AU1456592A (en) 1992-09-15
SE516082C2 (sv) 2001-11-12
UA40009C2 (uk) 2001-07-16
HUT65408A (en) 1994-06-28
DE4290392T1 (de) 1994-02-17
SE9302618D0 (sv) 1993-08-12
US5502752A (en) 1996-03-26
CN1032101C (zh) 1996-06-19
BR9205605A (pt) 1994-04-26
CN1065367A (zh) 1992-10-14
NZ241673A (en) 1995-04-27
CA2100753C (fr) 2000-06-06
IL100871A0 (en) 1992-11-15
DK92193A (da) 1993-08-10
FI115354B (fi) 2005-04-15
IT1258355B (it) 1996-02-26
JPH06505601A (ja) 1994-06-23
SE9302618L (sv) 1993-10-19
FR2673343A1 (fr) 1992-08-28
WO1992015159A1 (fr) 1992-09-03
ATA900692A (de) 2000-10-15
ITRM920119A1 (it) 1993-08-21
TR25708A (tr) 1993-09-01
GR920100062A (el) 1993-01-25
FI933673A0 (fi) 1993-08-20
ITRM920119A0 (it) 1992-02-21
HU9302299D0 (en) 1993-10-28
KR0127995B1 (ko) 1998-04-10
AU658402B2 (en) 1995-04-13
DE4290392C2 (de) 1997-02-27
DK173808B1 (da) 2001-11-12
DK92193D0 (da) 1993-08-10
TW208767B (fr) 1993-07-01
HK1000621A1 (en) 1998-04-09
HU216677B (hu) 1999-08-30
CA2100753A1 (fr) 1992-08-23
RU2145466C1 (ru) 2000-02-10
GB9315243D0 (en) 1993-11-10
GB2269300B (en) 1995-07-12

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Legal Events

Date Code Title Description
TP Transmission of property

Owner name: MOTOROLA MOBILITY, INC., US

Effective date: 20110912