DE69316043D1 - Abtasttaktgenerator für digitalen Demodulator - Google Patents

Abtasttaktgenerator für digitalen Demodulator

Info

Publication number
DE69316043D1
DE69316043D1 DE69316043T DE69316043T DE69316043D1 DE 69316043 D1 DE69316043 D1 DE 69316043D1 DE 69316043 T DE69316043 T DE 69316043T DE 69316043 T DE69316043 T DE 69316043T DE 69316043 D1 DE69316043 D1 DE 69316043D1
Authority
DE
Germany
Prior art keywords
clock generator
sampling clock
digital demodulator
demodulator
digital
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 - Fee Related
Application number
DE69316043T
Other languages
English (en)
Other versions
DE69316043T2 (de
Inventor
Takashi Kaku
Noboru Kawada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69316043D1 publication Critical patent/DE69316043D1/de
Publication of DE69316043T2 publication Critical patent/DE69316043T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69316043T 1992-01-27 1993-01-26 Abtasttaktgenerator für digitalen Demodulator Expired - Fee Related DE69316043T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4012009A JP2721454B2 (ja) 1992-01-27 1992-01-27 タイミング抽出方法

Publications (2)

Publication Number Publication Date
DE69316043D1 true DE69316043D1 (de) 1998-02-12
DE69316043T2 DE69316043T2 (de) 1998-04-23

Family

ID=11793592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316043T Expired - Fee Related DE69316043T2 (de) 1992-01-27 1993-01-26 Abtasttaktgenerator für digitalen Demodulator

Country Status (4)

Country Link
US (1) US5442656A (de)
EP (1) EP0554036B1 (de)
JP (1) JP2721454B2 (de)
DE (1) DE69316043T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07321862A (ja) * 1994-05-25 1995-12-08 Matsushita Electric Ind Co Ltd ディジタル変調波復調装置
US5454015A (en) * 1994-08-01 1995-09-26 Rockwell International Corporation Adaptive timing recovery with gain adjustment
US5914991A (en) * 1997-06-30 1999-06-22 Siemens Medical Systems, Inc. Syncronizing a data acquisition device with a host
DE19938513C2 (de) * 1999-08-13 2003-06-12 Cgk Comp Ges Konstanz Mbh Vorrichtung und Verfahren zur Synchronisierung schneller analoger Elektronik
JP3873078B2 (ja) 2003-07-11 2007-01-24 松下電器産業株式会社 タイミング抽出装置及び方法並びにそのタイミング抽出装置を備えた復調装置
EP1969886B1 (de) * 2005-12-13 2017-09-20 Nuance Communications, Inc. Verfahren zum durchführen interaktiver dienste auf einem mobilgerät, wie zum beispiel von zeit- oder ortseingeleiteten interaktiven diensten

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458355A (en) * 1981-06-11 1984-07-03 Hycom Incorporated Adaptive phase lock loop
US4831637A (en) * 1984-06-19 1989-05-16 American Telephone And Telegraph Company Apparatus and technique for timing jitter cancellation in a data receiver
AU568980B2 (en) * 1985-06-04 1988-01-14 Fujitsu Limited Method and device for timing pull-in of receiving equipment
JPH0683282B2 (ja) * 1985-11-06 1994-10-19 富士通株式会社 タイミング同期装置
JPS63156460A (ja) * 1986-12-19 1988-06-29 Fujitsu Ltd タイミング抽出方式
DE3707763C1 (de) * 1987-03-11 1988-06-23 Ant Nachrichtentech Taktphasendetektor
CA1288878C (en) * 1988-08-15 1991-09-10 John D. Mcnicol Timing and carrier recovery in tdma without preamable sequence
US4943982A (en) * 1989-05-01 1990-07-24 Motorola, Inc. Baseband carrier phase corrector
EP0413875B1 (de) * 1989-08-21 1994-06-01 International Business Machines Corporation Taktsteuerung für Modemempfänger
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
US5022048A (en) * 1990-07-26 1991-06-04 Unisys Corp. Programmable digital frequency-phase discriminator
US5255290A (en) * 1992-08-21 1993-10-19 Teknekron Communications System, Inc. Method and apparatus for combined frequency offset and timing offset estimation

Also Published As

Publication number Publication date
JP2721454B2 (ja) 1998-03-04
US5442656A (en) 1995-08-15
EP0554036B1 (de) 1998-01-07
EP0554036A3 (en) 1993-09-22
JPH05207082A (ja) 1993-08-13
DE69316043T2 (de) 1998-04-23
EP0554036A2 (de) 1993-08-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee