ES2194019T3 - Comunicacion a traves de un canal que tiene un retardo de propagacion variable. - Google Patents

Comunicacion a traves de un canal que tiene un retardo de propagacion variable.

Info

Publication number
ES2194019T3
ES2194019T3 ES94118905T ES94118905T ES2194019T3 ES 2194019 T3 ES2194019 T3 ES 2194019T3 ES 94118905 T ES94118905 T ES 94118905T ES 94118905 T ES94118905 T ES 94118905T ES 2194019 T3 ES2194019 T3 ES 2194019T3
Authority
ES
Spain
Prior art keywords
channel
variable
data
timing
subscriber unit
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
ES94118905T
Other languages
English (en)
Inventor
Victor Hawes Cutler Jr
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 Solutions Inc
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
Application granted granted Critical
Publication of ES2194019T3 publication Critical patent/ES2194019T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H04B7/2125—Synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

UN SISTEMA (10) DE COMUNICACION COMUNICA DATOS EN TIEMPO REAL A TRAVES DE UN CANAL (26) QUE IMPONE RETARDOS DE DURACION VARIABLE SOBRE PROPAGACION DE SEÑALES A SU TRAVES. EL CANAL (26) PUEDE SER ESTABLECIDO ENTRE UN SATELITE (14) DE MOVIMIENTO RAPIDO EN UNA ORBITA (28) ALREDEDOR DE LA TIERRA U UNA UNIDAD (24) ABONADA LOCALIZADA PROXIMA A LA SUPERFICIE DE LA TIERRA. LOS DATOS DE TIEMPO REAL SON GENERADOS SINCRONAMENTE (124) EN LA UNIDAD ABONADA (24) CON UNA TRAMA (40) TDM ESTABLECIDA POR EL SATELITE (14). LOS DATOS SON RETARDADOS EN UN CIRCUITO (68) DE RETARDO VARIABLE ANTES DE LA TRANSMISION A TRAVES DEL CANAL (26). LA DURACION DEL RETARDO IMPUESTO POR EL CIRCUITO POR EL CIRCUITO (68) DE RETARDO VARIA EN RESPUESTA A LOS DATOS DE TEMPORIZACION RECIBIDOS DESDE EL SATELITE (14). LOS DATOS DE TEMPORIZACION DESCRIBEN UN RETARDO DE PROPAGACION QUE CAMBIA PARA EL CANAL (26) Y DEFINICIONES CAMBIANTES PARA LAS PARTICIONES DEL TIEMPO COMPARTIDO DE MTC (42'', 44''). DATOS RECIBIDOS EN LA UNIDAD (24) ABONADA SON RETARDADOS EN OTRO CIRCUITO (76) DE RETARDO VARIABLE. AMBAS TEMPORIZACIONES GRADUAL Y ABRUPTA CARACTERISTICAS DEL CANAL (26) SON ABSORBIDAS POR LOS CIRCUITOS (68, 76) DE TEMPORIZACION VARIABLE.
ES94118905T 1993-12-27 1994-12-01 Comunicacion a traves de un canal que tiene un retardo de propagacion variable. Expired - Lifetime ES2194019T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/172,989 US5440562A (en) 1993-12-27 1993-12-27 Communication through a channel having a variable propagation delay

Publications (1)

Publication Number Publication Date
ES2194019T3 true ES2194019T3 (es) 2003-11-16

Family

ID=22630034

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94118905T Expired - Lifetime ES2194019T3 (es) 1993-12-27 1994-12-01 Comunicacion a traves de un canal que tiene un retardo de propagacion variable.

Country Status (10)

Country Link
US (1) US5440562A (es)
EP (1) EP0660544B1 (es)
JP (1) JPH07212287A (es)
AT (1) ATE233972T1 (es)
CA (1) CA2135859A1 (es)
DE (1) DE69432214T2 (es)
DK (1) DK0660544T3 (es)
ES (1) ES2194019T3 (es)
RU (1) RU2118058C1 (es)
UA (1) UA26201C2 (es)

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US5623483A (en) * 1995-05-11 1997-04-22 Lucent Technologies Inc. Synchronization system for networked multimedia streams
US5657323A (en) * 1995-07-24 1997-08-12 Motorola, Inc. Method and apparatus for signal transmission in a communication system
US5822311A (en) * 1996-03-05 1998-10-13 Ericsson Inc. Random access scheme for mobile satellite communications
US6073020A (en) * 1996-04-01 2000-06-06 Motorola, Inc. Method and apparatus for inter-node handoff of a radio frequency communication unit
US5761608A (en) * 1996-04-01 1998-06-02 Motorola, Inc. Method and apparatus for inter-node handoff of a radio frequency communication unit
DE19618142B4 (de) * 1996-05-06 2005-03-17 Süddeutscher Rundfunk -Anstalt des öffentlichen Rechts- Verfahren zum Übertragen von COFDM-modulierten Rundfunksignalen über ein Satellitensystem sowie Satelliten-Transponder zur Durchführung des Verfahrens
US5867489A (en) * 1996-05-29 1999-02-02 Lockheed Martin Corp. Method and apparatus for TDMA slot synchronization with precision ranging
GB2321827B (en) 1997-01-31 2001-06-13 Ericsson Telefon Ab L M Telecommunications system
US5936570A (en) * 1998-03-05 1999-08-10 Teledesic Llc Low-earth orbit satellite acquisition and synchronization system using a beacon signal
US6285686B1 (en) * 1998-03-19 2001-09-04 Hewlett-Packard Company Using page registers for efficient communication
US6181912B1 (en) * 1998-09-09 2001-01-30 Qualcomm Inc System and method for user terminal clock error measurement and correction
KR100297590B1 (ko) * 1998-09-18 2001-08-07 서평원 교환기에서 스위치 네트워크의 경로 시험 방법
US7075903B1 (en) * 1999-04-14 2006-07-11 Adc Telecommunications, Inc. Reduced power consumption in a communication device
US6680955B1 (en) * 1999-08-20 2004-01-20 Nokia Networks Oy Technique for compressing a header field in a data packet
DE10315908B4 (de) * 2003-04-08 2008-10-30 Gerhard Kruse Falsifizierung von Positionsdaten
CN101873266B (zh) * 2004-08-30 2015-11-25 高通股份有限公司 用于语音ip传输的自适应去抖动缓冲器
US8085678B2 (en) * 2004-10-13 2011-12-27 Qualcomm Incorporated Media (voice) playback (de-jitter) buffer adjustments based on air interface
US8155965B2 (en) * 2005-03-11 2012-04-10 Qualcomm Incorporated Time warping frames inside the vocoder by modifying the residual
US8355907B2 (en) * 2005-03-11 2013-01-15 Qualcomm Incorporated Method and apparatus for phase matching frames in vocoders
US8483243B2 (en) * 2006-09-15 2013-07-09 Microsoft Corporation Network jitter smoothing with reduced delay
CN102300233B (zh) * 2010-06-22 2015-08-12 中兴通讯股份有限公司 传输间隙样式序列的处理方法、装置及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2943059C2 (de) * 1979-10-25 1984-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Funksystem mit Synchronisation der Teilnehmereinrichtungen
US4346470A (en) * 1980-03-21 1982-08-24 Ibm Corporation Initial acquisition of synchronization for a station in a TDMA satellite communication network
EP0035232B1 (en) * 1980-02-29 1985-05-15 International Business Machines Corporation Method and apparatus for the initial acquisition of synchronization for a station in a tdma satellite communication network
JPS58111784A (ja) * 1981-12-25 1983-07-02 Nec Corp 時刻の遠隔較正方式
JPS62214739A (ja) * 1986-03-15 1987-09-21 Nec Corp 同期制御方式
US4769815A (en) * 1987-04-10 1988-09-06 American Telephone And Telegraph Company, At&T Bell Laboratories Packet flow control method
US4903257A (en) * 1987-05-27 1990-02-20 Fujitsu Limited Digital two-way radio-communication system using single frequency
US5249174A (en) * 1990-03-06 1993-09-28 Iwatsu Electric Co., Ltd. Time-division communication method for mobile bodies and system using said method
JPH0817485B2 (ja) * 1991-01-29 1996-02-21 三洋電機株式会社 Ｍｕｓｅ音声デコーダ
US5339186A (en) * 1992-11-13 1994-08-16 The University Of Colorado Foundation, Inc. Optical data packet compressor/decompressor

Also Published As

Publication number Publication date
US5440562A (en) 1995-08-08
EP0660544A1 (en) 1995-06-28
RU2118058C1 (ru) 1998-08-20
DE69432214T2 (de) 2003-09-04
CA2135859A1 (en) 1995-06-28
EP0660544B1 (en) 2003-03-05
DK0660544T3 (da) 2003-06-30
RU94045132A (ru) 1996-10-20
UA26201C2 (uk) 1999-07-19
JPH07212287A (ja) 1995-08-11
ATE233972T1 (de) 2003-03-15
DE69432214D1 (de) 2003-04-10

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