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
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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Synchronisation In Digital Transmission Systems (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.
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) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7075903B1 (en) * | 1999-04-14 | 2006-07-11 | Adc Telecommunications, Inc. | Reduced power consumption in a communication device |
DE10315908B4 (de) * | 2003-04-08 | 2008-10-30 | Gerhard Kruse | Falsifizierung von Positionsdaten |
MY149811A (en) * | 2004-08-30 | 2013-10-14 | Qualcomm Inc | Method and apparatus for an adaptive de-jitter buffer |
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)
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 |
DE3170468D1 (en) * | 1980-02-29 | 1985-06-20 | Ibm | 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 |
-
1993
- 1993-12-27 US US08/172,989 patent/US5440562A/en not_active Expired - Lifetime
-
1994
- 1994-11-15 CA CA002135859A patent/CA2135859A1/en not_active Abandoned
- 1994-12-01 AT AT94118905T patent/ATE233972T1/de not_active IP Right Cessation
- 1994-12-01 EP EP94118905A patent/EP0660544B1/en not_active Expired - Lifetime
- 1994-12-01 DK DK94118905T patent/DK0660544T3/da active
- 1994-12-01 ES ES94118905T patent/ES2194019T3/es not_active Expired - Lifetime
- 1994-12-01 DE DE69432214T patent/DE69432214T2/de not_active Expired - Lifetime
- 1994-12-26 UA UA94129245A patent/UA26201C2/uk unknown
- 1994-12-26 RU RU94045132A patent/RU2118058C1/ru active
- 1994-12-26 JP JP6336678A patent/JPH07212287A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69432214D1 (de) | 2003-04-10 |
ATE233972T1 (de) | 2003-03-15 |
RU94045132A (ru) | 1996-10-20 |
DK0660544T3 (da) | 2003-06-30 |
EP0660544B1 (en) | 2003-03-05 |
EP0660544A1 (en) | 1995-06-28 |
RU2118058C1 (ru) | 1998-08-20 |
DE69432214T2 (de) | 2003-09-04 |
CA2135859A1 (en) | 1995-06-28 |
JPH07212287A (ja) | 1995-08-11 |
UA26201C2 (uk) | 1999-07-19 |
US5440562A (en) | 1995-08-08 |
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