ES8305171A1 - "un receptor buscapersonas por radio digital". - Google Patents
"un receptor buscapersonas por radio digital".Info
- Publication number
- ES8305171A1 ES8305171A1 ES514395A ES514395A ES8305171A1 ES 8305171 A1 ES8305171 A1 ES 8305171A1 ES 514395 A ES514395 A ES 514395A ES 514395 A ES514395 A ES 514395A ES 8305171 A1 ES8305171 A1 ES 8305171A1
- Authority
- ES
- Spain
- Prior art keywords
- word
- determination
- synchronization
- receiver
- digital radio
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
- H04W88/025—Selective call decoders
- H04W88/026—Selective call decoders using digital address codes
-
- 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
- H04L7/10—Arrangements for initial synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
-
- 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
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
RADIORECEPTOR DIGITAL BUSCAPERSONAS. INCLUYE: UN CIRCUITO DE CONTROL DE SINCRONIZACION; PRIMEROS ELEMENTOS PARA ESTABLECER PERIODICAMENTE LA SINCRONIZACION DE BIT DEL RECEPTOR A LAS SEÑALES DIGITALES RECIBIDAS Y AJUSTAR AL CIRCUITO DE CONTROL DE TEMPORIZACION; SEGUNDOS ELEMENTOS PARA DETERMINAR LA RECEPCION DE BITS DE DATOS VALIDOS DURANTE UN NUMERO DE PERIODOS DE BIT POSTERIOR; TERCEROS ELEMENTOS PARA COMPARAR LAS DISTRIBUCIONES DE BITS DE ENTRADA CON SECUENCIAS DE ENTRENAMIENTO GENERADAS LOCALMENTE; Y ELEMENTOS LOGICOS QUE RESPONDEN A UNA SALIDA POSITIVA DE DICHOS ELEMENTOS SEGUNDOS Y TERCEROS PARA PRODUCIR UNA SEÑAL DE CONTROL.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08123063A GB2103402B (en) | 1981-07-27 | 1981-07-27 | Synchronisation of digital radio pager |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8305171A1 true ES8305171A1 (es) | 1983-04-01 |
ES514395A0 ES514395A0 (es) | 1983-04-01 |
Family
ID=10523526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES514395A Granted ES514395A0 (es) | 1981-07-27 | 1982-07-27 | "un receptor buscapersonas por radio digital". |
Country Status (13)
Country | Link |
---|---|
US (1) | US4506262A (es) |
EP (1) | EP0071425B1 (es) |
JP (1) | JPS5825734A (es) |
AU (1) | AU552410B2 (es) |
CA (1) | CA1190968A (es) |
CH (1) | CH659748A5 (es) |
DE (1) | DE3262789D1 (es) |
ES (1) | ES514395A0 (es) |
FI (1) | FI74170C (es) |
GB (1) | GB2103402B (es) |
NO (1) | NO157159C (es) |
NZ (1) | NZ201340A (es) |
PT (1) | PT75331A (es) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5884549A (ja) * | 1981-11-16 | 1983-05-20 | Nec Corp | 無線選択呼出受信機 |
US4621361A (en) * | 1983-08-23 | 1986-11-04 | Jatel Communications Systems Ltd. | Communication switching system |
GB2159020B (en) * | 1984-05-16 | 1987-11-18 | Sony Corp | Methods of and apparatus for use in decoding digital data |
JPS61291925A (ja) * | 1985-06-20 | 1986-12-22 | Mitsubishi Heavy Ind Ltd | 鋼帯の連続焼なまし方法 |
JPS62160830A (ja) * | 1986-01-10 | 1987-07-16 | Nec Corp | 選択呼出信号受信機 |
JPH0656976B2 (ja) * | 1986-06-18 | 1994-07-27 | 日本電気株式会社 | 個別選択呼出し受信機 |
US4811425A (en) * | 1987-01-09 | 1989-03-07 | Itt Avionics, A Division Of Itt Corporation | Apparatus for reducing the effects of local oscillator leakage in mixers employed in zero IF receivers |
US4803703A (en) * | 1987-04-30 | 1989-02-07 | Motorola, Inc. | Apparatus and method for fine synchronization of a communication receiver |
CA2000683C (en) * | 1988-12-01 | 1993-04-13 | Walter Lee Davis | Power conservation method and apparatus for a portion of a predetermined signal |
US5095498A (en) * | 1989-02-06 | 1992-03-10 | Motorola, Inc. | Bit synchronizer |
US5111486A (en) * | 1989-03-15 | 1992-05-05 | Motorola, Inc. | Bit synchronizer |
US5049875A (en) * | 1989-09-13 | 1991-09-17 | Motorola Inc. | Method and apparatus for out of range detection in response to nondetection of predetermined baud rates |
US5206636A (en) * | 1989-10-25 | 1993-04-27 | Motorola, Inc. | Signal search method for selective call receiver |
US5047763A (en) * | 1989-11-30 | 1991-09-10 | Motorola, Inc. | Selective call system with message rebroadcasting over another selective call system |
US5414419A (en) * | 1989-12-04 | 1995-05-09 | Motorola, Inc. | Battery saving method for selective call receivers |
WO1991010331A1 (en) * | 1990-01-02 | 1991-07-11 | Motorola, Inc. | Time division multiplexed selective call signalling system |
US5077758A (en) * | 1990-01-02 | 1991-12-31 | Motorola, Inc. | Signal detector and bit synchronizer |
US5252963A (en) * | 1990-01-04 | 1993-10-12 | Motorola, Inc. | "Selective call receiver" |
ATE206853T1 (de) | 1990-01-04 | 2001-10-15 | Motorola Inc | Verfahren und vorrichtung zur verlängerung der lebensdauer von batterien in einem selektivrufempfänger. |
US5193216A (en) * | 1990-06-01 | 1993-03-09 | Motorola, Inc. | Detecting out of range in response to a loss of signal and a history of approaching out of range prior to the loss of signal |
US5140702A (en) * | 1990-06-05 | 1992-08-18 | Motorola, Inc. | Time based signal detector for operating in a presence search mode and absence search mode during peak times and off peak times |
JP2836637B2 (ja) * | 1990-07-06 | 1998-12-14 | 三菱電機株式会社 | 無線通信機の制御装置 |
JP2646831B2 (ja) * | 1990-10-25 | 1997-08-27 | 日本電気株式会社 | 選択呼出受信機 |
JPH04269021A (ja) * | 1991-02-25 | 1992-09-25 | Nec Corp | 双方向ページングシステムおよび該システムに用いられる携帯無線機 |
JPH04328919A (ja) * | 1991-04-26 | 1992-11-17 | Fujitsu Ltd | 無線呼出し信号方式 |
US5309154A (en) * | 1992-05-08 | 1994-05-03 | Motorola, Inc. | Selective call receiver with a universal synchronization code operating mode |
FR2704376B1 (fr) * | 1993-04-22 | 1995-06-30 | Rainard Jean Luc | Procédé de récupération d'horloge et de synchronisation pour la réception d'informations transmises par un réseau ATM et dispositif de mise en Óoeuvre du procédé. |
JP2630233B2 (ja) * | 1993-12-16 | 1997-07-16 | 日本電気株式会社 | バッテリーセービング機能をもつ無線選択呼出受信機 |
JP2730463B2 (ja) * | 1993-12-20 | 1998-03-25 | 日本電気株式会社 | 無線選択呼出受信機 |
JP2780697B2 (ja) * | 1996-03-22 | 1998-07-30 | 日本電気株式会社 | 相関復調における同期捕捉方法及び装置 |
FR2764147B1 (fr) * | 1997-05-28 | 1999-08-20 | Texas Instruments France | Procede et dispositif de recuperation de synchronisation sur un signal transmis a un recepteur de telephone mobile |
CA2281236C (en) | 1999-09-01 | 2010-02-09 | Tajinder Manku | Direct conversion rf schemes using a virtually generated local oscillator |
US9344314B2 (en) * | 2007-04-24 | 2016-05-17 | Texas Instruments Incorporated | Computer generated sequences for downlink and uplink signals in wireless communication systems |
US9191189B2 (en) * | 2013-11-20 | 2015-11-17 | Analog Devices Global | Method and apparatus for detecting a preamble in a received radio signal |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001693A (en) * | 1975-05-12 | 1977-01-04 | General Electric Company | Apparatus for establishing communication between a first radio transmitter and receiver and a second radio transmitter and receiver |
US4229822A (en) * | 1977-09-06 | 1980-10-21 | Motorola, Inc. | Data detector for a data communication system |
JPS56136050A (en) * | 1980-03-28 | 1981-10-23 | Nec Corp | Individual selective call reception system |
GB2086106B (en) * | 1980-10-13 | 1984-06-27 | Motorola Ltd | Pager decoding system with intelligent synchronisation circuit |
JPS57145448A (en) * | 1981-03-05 | 1982-09-08 | Nec Corp | Receiver for selective inter-call |
JPS5915148U (ja) * | 1982-07-19 | 1984-01-30 | パイオニア株式会社 | マイクロコンピユ−タ |
-
1981
- 1981-07-27 GB GB08123063A patent/GB2103402B/en not_active Expired
-
1982
- 1982-06-28 CH CH3943/82A patent/CH659748A5/de not_active IP Right Cessation
- 1982-07-15 US US06/398,472 patent/US4506262A/en not_active Expired - Fee Related
- 1982-07-16 NO NO822466A patent/NO157159C/no unknown
- 1982-07-21 NZ NZ201340A patent/NZ201340A/en unknown
- 1982-07-21 AU AU86237/82A patent/AU552410B2/en not_active Ceased
- 1982-07-22 DE DE8282303887T patent/DE3262789D1/de not_active Expired
- 1982-07-22 EP EP82303887A patent/EP0071425B1/en not_active Expired
- 1982-07-27 FI FI822626A patent/FI74170C/fi not_active IP Right Cessation
- 1982-07-27 ES ES514395A patent/ES514395A0/es active Granted
- 1982-07-27 JP JP57131086A patent/JPS5825734A/ja active Pending
- 1982-07-27 PT PT75331A patent/PT75331A/pt unknown
- 1982-07-30 CA CA000408471A patent/CA1190968A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI822626A0 (fi) | 1982-07-27 |
FI822626L (fi) | 1983-01-28 |
CH659748A5 (de) | 1987-02-13 |
GB2103402B (en) | 1984-09-05 |
GB2103402A (en) | 1983-02-16 |
PT75331A (en) | 1982-08-01 |
US4506262A (en) | 1985-03-19 |
DE3262789D1 (en) | 1985-05-02 |
ES514395A0 (es) | 1983-04-01 |
AU8623782A (en) | 1983-02-03 |
NO157159C (no) | 1988-02-10 |
CA1190968A (en) | 1985-07-23 |
EP0071425B1 (en) | 1985-03-27 |
EP0071425A1 (en) | 1983-02-09 |
FI74170B (fi) | 1987-08-31 |
JPS5825734A (ja) | 1983-02-16 |
NZ201340A (en) | 1985-08-16 |
AU552410B2 (en) | 1986-05-29 |
NO822466L (no) | 1983-01-28 |
FI74170C (fi) | 1987-12-10 |
NO157159B (no) | 1987-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8305171A1 (es) | "un receptor buscapersonas por radio digital". | |
GB2222332B (en) | Radio receiver receiving voice and data signals | |
HK70390A (en) | Digital paging system having bit rate switching means and digital paging receiver therefor | |
GB2159020B (en) | Methods of and apparatus for use in decoding digital data | |
MY112178A (en) | Apparatus for detecting a synchronization component in a satellite transmission system receiver | |
GB8400922D0 (en) | Digital data receiver | |
DK30287A (da) | Digitalt kommunikationssystem | |
DE3070837D1 (en) | Digital information transfer system (dits) receiver and method | |
EP0169527A3 (en) | Signal converting method and circuit for television receiver | |
DE3261981D1 (en) | Pulse detecting circuit of receiver for use in digital radio communication system | |
CA2102194A1 (en) | Phase Adjustment Method and Apparatus for Use in a Clock Recovery Circuit | |
HK87491A (en) | An fsk data receiver | |
AU599969B2 (en) | Paging receiver with a capability of receiving message data | |
EP0380865A3 (en) | Multiplexer frame sychronization technique | |
GB2188817B (en) | Receiver apparatus and method for recovering data signals. | |
EP0181007A3 (en) | Bus broadcast method and apparatus | |
GB2253124A (en) | Method and apparatus for recovering data, such as teletext data encoded into television signals | |
EP0271218A3 (en) | Establishment of bit synchronization in a data transmitting/receiving system | |
AU3575995A (en) | Decoding of a data signal transmitted in a television system | |
GB2100486B (en) | Radio receiver (pager) decoding system | |
DE3477115D1 (en) | Process for the transmission and the reception of digital information signals | |
PL249567A1 (en) | Method of receiving telegraphic signals in the multiplex telegraphy system and receiver therefor | |
GB1487627A (en) | Multiple-frequency code receiver | |
DE3572574D1 (en) | Radio transmitter identification method, and radio receiver therefor | |
GB8414286D0 (en) | Radio signal transmission and reception system |