ES2078179A2 - Metodo y dispositivo de sincronizacion automatica de rafagas de datos. - Google Patents
Metodo y dispositivo de sincronizacion automatica de rafagas de datos.Info
- Publication number
- ES2078179A2 ES2078179A2 ES09302743A ES9302743A ES2078179A2 ES 2078179 A2 ES2078179 A2 ES 2078179A2 ES 09302743 A ES09302743 A ES 09302743A ES 9302743 A ES9302743 A ES 9302743A ES 2078179 A2 ES2078179 A2 ES 2078179A2
- Authority
- ES
- Spain
- Prior art keywords
- counter
- value
- output
- time
- gusts
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/50—All digital phase-locked loop
-
- 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
- H04J3/0644—External master-clock
-
- 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
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
Landscapes
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
METODO Y DISPOSITIVO DE SINCRONIZACION AUTOMATICA DE RAFAGAS DE DATOS. APLICABLE EN SISTEMAS DE COMUNICACIONES SIN HILOS CON ACCESO MULTIPLE POR DIVISION EN EL TIEMPO, AMDT, PARA SINCRONIZAR LAS BASES DE TIEMPOS DE TERMINALES SIN HILOS Y ESTACIONES BASE. DICHO DISPOSITIVO, QUE RECIBE PERIODICAMENTE Y DURANTE UN CORTO INTERVALO DE TIEMPO UNA SEÑAL DE RECEPCION DE RAFAGAS (A) PARA SU SINCRONIZACION, CUENTA CON UN REGISTRO (1) QUE ALMACENA EL VALOR DE UN CONTADOR (3) CUANDO SE ACTIVA LA SEÑAL DE RECEPCION DE RAFAGAS (A) Y SE LE RESTA, EN UN SUMADOR (2), UN VALOR DE REFERENCIA (REF) PARA AJUSTAR LAS REFERENCIAS ENTRE AMBAS BASES DE TIEMPOS. AL VALOR DE SALIDA (DELTA) SE SUMA O RESTA EN UN SEGUNDO SUMADOR (4) UN VALOR MAXIMO (MAX), DEPENDIENDO DE QUE BASE DE TIEMPOS, LA INTERNA O LA DE REFERENCIA, ESTE MAS ADELANTADA. SU SALIDA SE COMPARA CON LA DEL CONTADOR (3) EN UN COMPARADOR (5) Y LA SALIDA DEL COMPARADOR (T) SE ENVIA A UN CIRCUITO DE CONTROL (6) QUE DETERMINA EL MODULO DEL CONTADOR (3) PARAALARGAR O ACORTAR LA RAFAGA PARA CONSEGUIR EL SINCRONISMO.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES09302743A ES2078179B1 (es) | 1993-12-31 | 1993-12-31 | Metodo y dispositivo de sincronizacion automatica de rafagas de datos. |
| CA002136127A CA2136127A1 (en) | 1993-12-31 | 1994-11-18 | Method and device for automatic synchronisation of data bursts |
| JP6296320A JP2908256B2 (ja) | 1993-12-31 | 1994-11-30 | データバーストの自動同期方法および装置 |
| FI945675A FI945675A7 (fi) | 1993-12-31 | 1994-12-01 | Menetelmä ja laite datapurskeiden automaattista synkronointia varten |
| EP94119155A EP0661836A1 (en) | 1993-12-31 | 1994-12-05 | Method and device for automatic synchronisation of data bursts |
| AU80298/94A AU690933B2 (en) | 1993-12-31 | 1994-12-07 | Synchronisation of data bursts |
| NZ270095A NZ270095A (en) | 1993-12-31 | 1994-12-08 | Automatic synchronisation of data bursts with drift compensation |
| US08/364,129 US5553077A (en) | 1993-12-31 | 1994-12-27 | Method and device for automatic synchronisation of data bursts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES09302743A ES2078179B1 (es) | 1993-12-31 | 1993-12-31 | Metodo y dispositivo de sincronizacion automatica de rafagas de datos. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ES2078179A2 true ES2078179A2 (es) | 1995-12-01 |
| ES2078179R ES2078179R (es) | 1997-02-16 |
| ES2078179B1 ES2078179B1 (es) | 1997-10-16 |
Family
ID=8284097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09302743A Expired - Fee Related ES2078179B1 (es) | 1993-12-31 | 1993-12-31 | Metodo y dispositivo de sincronizacion automatica de rafagas de datos. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5553077A (es) |
| EP (1) | EP0661836A1 (es) |
| JP (1) | JP2908256B2 (es) |
| AU (1) | AU690933B2 (es) |
| CA (1) | CA2136127A1 (es) |
| ES (1) | ES2078179B1 (es) |
| FI (1) | FI945675A7 (es) |
| NZ (1) | NZ270095A (es) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5694392A (en) * | 1995-10-30 | 1997-12-02 | Vlsi Technology, Inc. | Timing system for mobile cellular radio receivers |
| US5663958A (en) * | 1996-02-22 | 1997-09-02 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for dynamically selecting the length of mobile station burst communications on the reverse digital control channel |
| FI101438B (fi) * | 1996-05-21 | 1998-06-15 | Nokia Mobile Phones Ltd | Signaalin haku eräässä satelliittipuhelinjärjestelmässä |
| US6799019B1 (en) * | 1996-06-04 | 2004-09-28 | Texas Instruments Incorporated | Method and system for accomodating processing delay in a cellular base station |
| JP3442228B2 (ja) * | 1996-08-29 | 2003-09-02 | 松下電器産業株式会社 | 同期保持装置 |
| FR2768884A1 (fr) * | 1997-09-23 | 1999-03-26 | Philips Electronics Nv | Systeme de telephone comportant un dispositif de base et au moins un dispositif de combine, procede mis en oeuvre dans un tel systeme, dispositif d'abonne et dispositif de base convenant a un tel systeme |
| CN1137542C (zh) * | 1997-12-12 | 2004-02-04 | 汤姆森许可公司 | 时分多址多线路无线电话手机的节电方法和系统 |
| US6788924B1 (en) | 1997-12-12 | 2004-09-07 | Thomson Licensing S.A. | Power saving protocol for TDMA multi-line wireless telephone handsets |
| KR100269339B1 (ko) * | 1997-12-24 | 2000-10-16 | 서평원 | 이동통신시스템에서홈위치등록기관리시스템및이를이용한데이터베이스관리방법 |
| FI980704A7 (fi) * | 1998-03-27 | 1999-09-28 | Nokia Corp | Menetelmä lähettää synkronoitu kanava radiolähettimessä |
| EP1207641A3 (fr) * | 1998-04-21 | 2005-03-30 | THOMSON multimedia | Procédé de synchronisation dans un réseau de communication et appareils de mise en oeuvre |
| EP1833178B1 (en) * | 2006-03-10 | 2013-06-19 | Alcatel Lucent | Method for operating a time division multiplex system and corresponding base station |
| EP2429105B1 (en) | 2010-09-13 | 2013-03-27 | Ntt Docomo, Inc. | Node in a wireless system with time and clock frequency synchronizing and corresponding method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0318911A2 (en) * | 1987-11-30 | 1989-06-07 | Nec Corporation | Frame-interval fault detection in a demand assignment TDMA communication system |
| EP0474138A2 (en) * | 1990-09-05 | 1992-03-11 | Nokia Mobile Phones Ltd. | Timing logic for portable telephone in the GSM system |
| WO1992010884A1 (en) * | 1990-12-12 | 1992-06-25 | Gpt Limited | Tdma ranging |
| GB2254226A (en) * | 1991-02-28 | 1992-09-30 | Ericsson Telefon Ab L M | Tdma time-alignment for cellular telephones |
| EP0507384A2 (en) * | 1991-04-03 | 1992-10-07 | Philips Electronics Uk Limited | TDMA transmission system with time slots of different durations |
| EP0511614A2 (en) * | 1991-04-27 | 1992-11-04 | Nec Corporation | Synchronization control circuit for TDMA cellular communication system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5363853A (en) * | 1976-11-18 | 1978-06-07 | Fujitsu Ltd | Digital phase constrained loop circuit given consideration of initial |
| US4346470A (en) * | 1980-03-21 | 1982-08-24 | Ibm Corporation | Initial acquisition of synchronization for a station in a TDMA satellite communication network |
| US4504946A (en) * | 1982-06-11 | 1985-03-12 | Rca Corporation | Time division multiple access communication systems |
| JPH02256329A (ja) * | 1988-12-01 | 1990-10-17 | Nec Corp | 復調器制御方式 |
| US4941155A (en) * | 1989-11-16 | 1990-07-10 | Bell Communications Research, Inc. | Method and circuitry for symbol timing and frequency offset estimation in time division multiple access radio systems |
| JPH04132330A (ja) * | 1990-09-21 | 1992-05-06 | Mitsubishi Electric Corp | 同期バースト検出装置 |
| US5229996A (en) * | 1991-02-28 | 1993-07-20 | Telefonaktiebolaget L M Ericsson | Split-window time alignment |
| US5309439A (en) * | 1991-11-29 | 1994-05-03 | Hughes Aircraft Company | TDMA system with a virtual reference |
-
1993
- 1993-12-31 ES ES09302743A patent/ES2078179B1/es not_active Expired - Fee Related
-
1994
- 1994-11-18 CA CA002136127A patent/CA2136127A1/en not_active Abandoned
- 1994-11-30 JP JP6296320A patent/JP2908256B2/ja not_active Expired - Fee Related
- 1994-12-01 FI FI945675A patent/FI945675A7/fi unknown
- 1994-12-05 EP EP94119155A patent/EP0661836A1/en not_active Withdrawn
- 1994-12-07 AU AU80298/94A patent/AU690933B2/en not_active Ceased
- 1994-12-08 NZ NZ270095A patent/NZ270095A/en unknown
- 1994-12-27 US US08/364,129 patent/US5553077A/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0318911A2 (en) * | 1987-11-30 | 1989-06-07 | Nec Corporation | Frame-interval fault detection in a demand assignment TDMA communication system |
| EP0474138A2 (en) * | 1990-09-05 | 1992-03-11 | Nokia Mobile Phones Ltd. | Timing logic for portable telephone in the GSM system |
| WO1992010884A1 (en) * | 1990-12-12 | 1992-06-25 | Gpt Limited | Tdma ranging |
| GB2254226A (en) * | 1991-02-28 | 1992-09-30 | Ericsson Telefon Ab L M | Tdma time-alignment for cellular telephones |
| EP0507384A2 (en) * | 1991-04-03 | 1992-10-07 | Philips Electronics Uk Limited | TDMA transmission system with time slots of different durations |
| EP0511614A2 (en) * | 1991-04-27 | 1992-11-04 | Nec Corporation | Synchronization control circuit for TDMA cellular communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2078179R (es) | 1997-02-16 |
| NZ270095A (en) | 1996-12-20 |
| ES2078179B1 (es) | 1997-10-16 |
| FI945675A0 (fi) | 1994-12-01 |
| CA2136127A1 (en) | 1995-07-01 |
| JP2908256B2 (ja) | 1999-06-21 |
| US5553077A (en) | 1996-09-03 |
| AU690933B2 (en) | 1998-05-07 |
| JPH07264673A (ja) | 1995-10-13 |
| FI945675A7 (fi) | 1995-07-01 |
| AU8029894A (en) | 1995-07-13 |
| EP0661836A1 (en) | 1995-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EC2A | Search report published |
Date of ref document: 19951201 Kind code of ref document: R Effective date: 19951201 |
|
| FD1A | Patent lapsed |
Effective date: 20101018 |