BR9203503A - Processo e sistema de sincronizacao temporal e demodulacao de um sinal de dados recebido - Google Patents

Processo e sistema de sincronizacao temporal e demodulacao de um sinal de dados recebido

Info

Publication number
BR9203503A
BR9203503A BR929203503A BR9203503A BR9203503A BR 9203503 A BR9203503 A BR 9203503A BR 929203503 A BR929203503 A BR 929203503A BR 9203503 A BR9203503 A BR 9203503A BR 9203503 A BR9203503 A BR 9203503A
Authority
BR
Brazil
Prior art keywords
demodulation
data signal
received data
synchronization process
temporal synchronization
Prior art date
Application number
BR929203503A
Other languages
English (en)
Inventor
Gustav Larsson
Karim Jamal
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9203503A publication Critical patent/BR9203503A/pt

Links

Classifications

    • 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
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
BR929203503A 1991-09-10 1992-09-09 Processo e sistema de sincronizacao temporal e demodulacao de um sinal de dados recebido BR9203503A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/757,296 US5299235A (en) 1991-09-10 1991-09-10 Time synchronization of a receiver in a digital radio telephone system

Publications (1)

Publication Number Publication Date
BR9203503A true BR9203503A (pt) 1993-04-13

Family

ID=25047258

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929203503A BR9203503A (pt) 1991-09-10 1992-09-09 Processo e sistema de sincronizacao temporal e demodulacao de um sinal de dados recebido

Country Status (9)

Country Link
US (1) US5299235A (pt)
JP (1) JP3413222B2 (pt)
BR (1) BR9203503A (pt)
CA (1) CA2077269C (pt)
GB (1) GB2259634B (pt)
HK (1) HK129595A (pt)
MX (1) MX9205122A (pt)
SE (1) SE516144C2 (pt)
TW (1) TW199947B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8457102B2 (en) 2004-09-30 2013-06-04 Kabushiki Kaisha Kenwood Mobile wireless communication apparatus, wireless communication apparatus and communication processing method

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Publication number Priority date Publication date Assignee Title
US5241545A (en) * 1990-11-14 1993-08-31 Motorola, Inc. Apparatus and method for recovering a time-varying signal using multiple sampling points
GB2266644A (en) * 1992-04-25 1993-11-03 Plessey Telecomm Overhead transmissions in a data communication system
US5841816A (en) * 1992-10-22 1998-11-24 Ericsson Inc. Diversity Pi/4-DQPSK demodulation
FR2709902B1 (fr) * 1993-09-08 1995-10-13 Alcatel Mobile Comm France Trame supportant différents débits, émetteur et récepteur adaptés à une telle trame.
SE9404121L (sv) * 1994-11-29 1995-12-04 Telia Ab Metod för synkronisering av sändare och mottagare vid mobilt radiosystem
US5570370A (en) * 1995-04-28 1996-10-29 Industrial Technology Research Institute Frame timing acquisition method and system for cordless TDMA systems
US5751731A (en) * 1995-10-18 1998-05-12 Telefonaktiebolaget Lm Ericsson Simplifying decoding of codewords in a wireless communication system
US6028854A (en) * 1996-10-15 2000-02-22 Telefonaktieboalget Lm Ericsson Radiocommunication systems and terminals with increased payload bandwidth
US5987019A (en) 1996-10-15 1999-11-16 Telefonaktiebolaget Lm Ericsson Multi-rate radiocommunication systems and terminals
GB2321832B (en) * 1997-01-30 1999-01-06 Motorola Israel Ltd Method to train a radio
EP0990351B1 (de) * 1997-06-17 2003-03-26 Siemens Aktiengesellschaft Verfahren, mobilstation und basisstation zur signalübertragung
US6104767A (en) * 1997-11-17 2000-08-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for estimating a frequency offset
US6256304B1 (en) * 1998-03-31 2001-07-03 Nokia Mobile Phones, Limited Mobile station using synchronization word order information for improved channel acquisition
US6546026B1 (en) 1999-06-17 2003-04-08 Lucent Technologies Inc. Multi-diversity synchronization technique for improving synchronization performance in wireless applications over fading channels
RU2194366C2 (ru) * 2001-01-29 2002-12-10 Военный университет связи Устройство адаптивного управления передачей данных в канале множественного доступа
KR100414208B1 (ko) * 2001-03-05 2004-01-07 삼성전자주식회사 데이터 복구장치
US7693284B2 (en) * 2004-09-23 2010-04-06 Motorola, Inc. Method and apparatus for encryption of over-the-air communications in a wireless communication system
JP4590008B2 (ja) * 2009-11-24 2010-12-01 株式会社ケンウッド 移動無線通信装置及び通信処理方法
JP4590009B2 (ja) * 2009-11-24 2010-12-01 株式会社ケンウッド 無線通信装置及び通信処理方法

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US4032885A (en) * 1976-03-01 1977-06-28 The United States Of America As Represented By The Secretary Of The Navy Digital correlator
US4450558A (en) * 1981-01-12 1984-05-22 General Datacomm Industries, Inc. Method and apparatus for establishing frame synchronization
US4507779A (en) * 1981-05-19 1985-03-26 Ibm Corporation Medium speed multiples data
SE440970B (sv) * 1984-01-13 1985-08-26 Ericsson Telefon Ab L M Metod for synkronisering av pulstag i ett digitalt telefonisystem
GB2156189B (en) * 1984-03-15 1988-01-06 Gen Electric Digital word synchronizing arrangements
US4599732A (en) * 1984-04-17 1986-07-08 Harris Corporation Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format
US4807248A (en) * 1984-05-23 1989-02-21 Rockwell International Corporation Automatic resynchronization technique
JPS6124338A (ja) * 1984-07-12 1986-02-03 Nec Corp 多方向多重通信方式
US4692931A (en) * 1984-10-31 1987-09-08 Nec Corporation Synchronization circuit capable of establishing synchronism even when a sampling rate is invariable
JPS61205039A (ja) * 1985-03-08 1986-09-11 Oki Electric Ind Co Ltd ブロツク同期通信方式
US4847869A (en) * 1987-12-04 1989-07-11 Motorla, Inc. Rapid reference acquisition and phase error compensation for radio transmission of data
US4829543A (en) * 1987-12-04 1989-05-09 Motorola, Inc. Phase-coherent TDMA quadrature receiver for multipath fading channels
JPH0828691B2 (ja) * 1988-03-14 1996-03-21 富士通株式会社 フレーム同期方式
SE460749B (sv) * 1988-03-15 1989-11-13 Ericsson Telefon Ab L M Foerfarande att oeverfoera datainformation i ett cellindelat mobilradiokommunikationssystem
US5008953A (en) * 1989-06-26 1991-04-16 Telefonaktiebolaget L M Ericsson Mobile station link supervision utilizing digital voice color codes
US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals
US5134635A (en) * 1990-07-30 1992-07-28 Motorola, Inc. Convolutional decoder using soft-decision decoding with channel state information
US5182749A (en) * 1990-12-21 1993-01-26 Motorola, Inc. Receiver for recovering data in a forward and reverse direction in time
US5297169A (en) * 1991-06-28 1994-03-22 Telefonaktiebolaget L M Ericsson Equalizer training in a radiotelephone system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8457102B2 (en) 2004-09-30 2013-06-04 Kabushiki Kaisha Kenwood Mobile wireless communication apparatus, wireless communication apparatus and communication processing method
US8457100B2 (en) 2004-09-30 2013-06-04 Kabushiki Kaisha Kenwood Mobile wireless communication apparatus, wireless communication apparatus and communication processing method

Also Published As

Publication number Publication date
TW199947B (pt) 1993-02-11
MX9205122A (es) 1993-03-01
GB9219067D0 (en) 1992-10-21
SE9202598L (sv) 1993-03-11
GB2259634B (en) 1995-05-10
CA2077269A1 (en) 1993-03-11
SE9202598D0 (sv) 1992-09-09
SE516144C2 (sv) 2001-11-26
CA2077269C (en) 2003-08-05
GB2259634A (en) 1993-03-17
HK129595A (en) 1995-08-24
US5299235A (en) 1994-03-29
JPH05219041A (ja) 1993-08-27
JP3413222B2 (ja) 2003-06-03

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 17A E 18A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: H04L 7/00; H04Q 7/00.

Ipc: H04L 7/033 (2006.01), H04L 7/04 (2006.01)

Ipc: H04L 7/033 (2006.01), H04L 7/04 (2006.01)

B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 17A E 18A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.