DE3679960D1 - Digitale filter und demodulatoren. - Google Patents

Digitale filter und demodulatoren.

Info

Publication number
DE3679960D1
DE3679960D1 DE8686308627T DE3679960T DE3679960D1 DE 3679960 D1 DE3679960 D1 DE 3679960D1 DE 8686308627 T DE8686308627 T DE 8686308627T DE 3679960 T DE3679960 T DE 3679960T DE 3679960 D1 DE3679960 D1 DE 3679960D1
Authority
DE
Germany
Prior art keywords
demodulators
digital filters
filters
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 - Lifetime
Application number
DE8686308627T
Other languages
English (en)
Inventor
Stephen Kingsley Barton
Peter Martin Terrell
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.)
Signal Processors Ltd
Original Assignee
Signal Processors 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 Signal Processors Ltd filed Critical Signal Processors Ltd
Application granted granted Critical
Publication of DE3679960D1 publication Critical patent/DE3679960D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE8686308627T 1985-11-05 1986-11-05 Digitale filter und demodulatoren. Expired - Lifetime DE3679960D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8527248 1985-11-05

Publications (1)

Publication Number Publication Date
DE3679960D1 true DE3679960D1 (de) 1991-08-01

Family

ID=10587751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686308627T Expired - Lifetime DE3679960D1 (de) 1985-11-05 1986-11-05 Digitale filter und demodulatoren.

Country Status (3)

Country Link
US (1) US4794341A (de)
EP (1) EP0222593B1 (de)
DE (1) DE3679960D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2613256B2 (ja) * 1988-05-25 1997-05-21 株式会社日立製作所 ディジタル復調装置
CA1288878C (en) 1988-08-15 1991-09-10 John D. Mcnicol Timing and carrier recovery in tdma without preamable sequence
JPH07109991B2 (ja) * 1989-06-05 1995-11-22 日本ビクター株式会社 ノイズシェーピング型再量子化回路
DE69023076T2 (de) * 1989-07-17 1996-03-21 Nec Corp Quadratur-Phasendemodulation mit Hilfe einer Trainingsfolge und eines lokalen, von der empfangenen Trägerfrequenz verschobenen Signals.
US5073907A (en) * 1990-01-30 1991-12-17 California Institute Of Technology Digital phase-lock loop
US5121072A (en) * 1990-11-27 1992-06-09 Rockwell International Corporation Digital demodulator for amplitude or angle modulation using truncated nonlinear power series approximations
US5404379A (en) * 1991-01-28 1995-04-04 Industrial Technology Research Institute Timing recovery method and system
EP0498022A3 (en) * 1991-01-28 1992-11-04 Industrial Technology Research Institute Timing recovery method and system for a receiver with a/d conversion
JP3255179B2 (ja) * 1992-02-14 2002-02-12 ソニー株式会社 データ検出装置
US5263054A (en) * 1992-05-21 1993-11-16 International Business Machines Corporation Method and system for interpolating baud rate timing recovery for asynchronous start stop protocol
DE4237692C1 (de) * 1992-11-07 1994-03-03 Grundig Emv Empfänger für ein digitales Rundfunksignal
JP3003826B2 (ja) * 1992-12-11 2000-01-31 三菱電機株式会社 クロック再生回路
GB9301704D0 (en) * 1993-01-28 1993-03-17 Signal Processors Ltd New digital modem design techniques
JP3693301B2 (ja) * 1993-05-07 2005-09-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 改善されたタイミング手段を有する受信機からなる送信方式
US5602883A (en) * 1993-10-13 1997-02-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of implementing digital phase-locked loops
US5684835A (en) * 1994-10-13 1997-11-04 Westinghouse Electric Corporation Locally coherent QPSK detection with differential decoding for a fading channel
US5748680A (en) * 1994-12-16 1998-05-05 Lucent Technologies Inc. Coarse frequency burst detector for a wireline communications system
US5592176A (en) * 1995-03-30 1997-01-07 Scientific-Atlanta, Inc. Tracking system for tracking a moving signal source
US5640416A (en) * 1995-06-07 1997-06-17 Comsat Corporation Digital downconverter/despreader for direct sequence spread spectrum communications system
JP3575883B2 (ja) * 1995-09-18 2004-10-13 三菱電機株式会社 ディジタル復調器
ES2113301B1 (es) * 1995-10-27 1999-01-01 Alcatel Espacio Sa Dispositivo de interpolacion de señales.
JPH10224271A (ja) * 1997-02-12 1998-08-21 Fujitsu Ltd タイミング位相制御装置及びタイミング位相制御方法
US6128357A (en) * 1997-12-24 2000-10-03 Mitsubishi Electric Information Technology Center America, Inc (Ita) Data receiver having variable rate symbol timing recovery with non-synchronized sampling
KR100324749B1 (ko) * 1998-10-09 2002-03-13 구자홍 최대 가능성 심볼 타이밍 복원기
CN1795636B (zh) * 2003-05-27 2010-12-08 Nxp股份有限公司 使用自适应插值对接收信号进行相位跟踪
GB0609601D0 (en) * 2006-05-15 2006-06-21 Ttp Communications Ltd Timing errors

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523641A (en) * 1976-04-29 1978-09-06 Plessey Co Ltd Adaptive equalisers for phase modulation data transmission systems
GB1533773A (en) * 1977-02-07 1978-11-29 Plessey Co Ltd Frame synchronisation arrangements for use in data transmission systems
US4453259A (en) * 1982-04-20 1984-06-05 Trw Inc. Digital synchronization technique
EP0125268B1 (de) * 1982-10-29 1987-04-22 Devon County Council Gerät zum codieren und decodieren eines signals
JPS59161149A (ja) * 1983-03-04 1984-09-11 Nec Corp タイミング同期回路
AU4431485A (en) * 1984-06-09 1986-01-10 Devon County Council Data communication method and apparatus
JPS6156555A (ja) * 1984-08-27 1986-03-22 Nec Corp 復調装置
US4961206A (en) * 1984-11-22 1990-10-02 Martin Tomlinson Data modem system
GB8507903D0 (en) * 1985-03-26 1985-05-01 Tomlinson M Noise-reduction signal processing arrangement

Also Published As

Publication number Publication date
US4794341A (en) 1988-12-27
EP0222593A3 (en) 1988-03-30
EP0222593A2 (de) 1987-05-20
EP0222593B1 (de) 1991-06-26

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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