DE69018897D1 - Verfahren zur Erfassung einer bestimmten Signalfolge, das die Effekte von Mehrwegübertragung vermindert. - Google Patents

Verfahren zur Erfassung einer bestimmten Signalfolge, das die Effekte von Mehrwegübertragung vermindert.

Info

Publication number
DE69018897D1
DE69018897D1 DE69018897T DE69018897T DE69018897D1 DE 69018897 D1 DE69018897 D1 DE 69018897D1 DE 69018897 T DE69018897 T DE 69018897T DE 69018897 T DE69018897 T DE 69018897T DE 69018897 D1 DE69018897 D1 DE 69018897D1
Authority
DE
Germany
Prior art keywords
reduces
detecting
effects
signal sequence
specific signal
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
DE69018897T
Other languages
English (en)
Other versions
DE69018897T2 (de
Inventor
Hiroyasu Muto
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.)
NEC Corp
Original Assignee
NEC Corp
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
Priority claimed from JP15685789A external-priority patent/JPH0817408B2/ja
Priority claimed from JP15685689A external-priority patent/JPH0817407B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69018897D1 publication Critical patent/DE69018897D1/de
Application granted granted Critical
Publication of DE69018897T2 publication Critical patent/DE69018897T2/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
    • H04L7/02—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
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69018897T 1989-06-21 1990-06-20 Verfahren zur Erfassung einer bestimmten Signalfolge, das die Effekte von Mehrwegübertragung vermindert. Expired - Lifetime DE69018897T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15685789A JPH0817408B2 (ja) 1989-06-21 1989-06-21 信号系列検出装置
JP15685689A JPH0817407B2 (ja) 1989-06-21 1989-06-21 信号系列検出方法

Publications (2)

Publication Number Publication Date
DE69018897D1 true DE69018897D1 (de) 1995-06-01
DE69018897T2 DE69018897T2 (de) 1995-08-24

Family

ID=26484501

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018897T Expired - Lifetime DE69018897T2 (de) 1989-06-21 1990-06-20 Verfahren zur Erfassung einer bestimmten Signalfolge, das die Effekte von Mehrwegübertragung vermindert.

Country Status (5)

Country Link
US (1) US5113415A (de)
EP (1) EP0413108B1 (de)
AU (1) AU642148B2 (de)
CA (1) CA2019359C (de)
DE (1) DE69018897T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2773562B2 (ja) * 1992-07-28 1998-07-09 日本電気株式会社 信号系列検出方法
US5511098A (en) * 1993-11-12 1996-04-23 Pacific Communication Sciences, Inc. Digital methods and apparatus reverse link signal detection and recovery in a mobile data base station
JP2659060B2 (ja) * 1994-07-06 1997-09-30 日本電気株式会社 周波数誤差検出方法
US5544200A (en) * 1994-12-08 1996-08-06 Titan Information Systems Corporation Acquisition of carrier phase and symbol timing through joint estimation of phase and timing adjustments
JP3455934B2 (ja) * 1995-04-11 2003-10-14 日本電信電話株式会社 変調器
US5787128A (en) * 1995-12-22 1998-07-28 Motorola, Inc. Nonlinear signal correlator and method therefor
DE69737171T2 (de) * 1996-07-22 2007-10-04 Nippon Telegraph And Telephone Corp. Schaltung zur Taktrückgewinnung
DE19810695A1 (de) * 1998-03-12 1999-09-16 Daimler Benz Aerospace Ag Verfahren zur Detektion eines gepulsten Nutzsignals
JP2000115263A (ja) * 1998-09-30 2000-04-21 Matsushita Electric Ind Co Ltd ディジタル放送復調装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB830408A (en) * 1955-05-09 1960-03-16 Siemens Ag Improvements in or relating to telecommunication systems
JPS5512777B1 (de) * 1971-07-16 1980-04-04
US4007330A (en) * 1975-08-13 1977-02-08 Bunker Ramo Corporation Method and apparatus for demodulation of relative phase modulated binary data
US3997847A (en) * 1975-10-29 1976-12-14 Bell Telephone Laboratories, Incorporated Digital demodulator for differentially encoded phase-shift-keyed data
US4453259A (en) * 1982-04-20 1984-06-05 Trw Inc. Digital synchronization technique
US4510579A (en) * 1982-07-02 1985-04-09 Rca Corporation Fast correlation system
JPH0683104B2 (ja) * 1983-05-13 1994-10-19 株式会社リコー デ−タ伝送同期検出方式
DE3430751A1 (de) * 1983-09-02 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zur synchronisation eines funkempfaengers
JPH0716206B2 (ja) * 1988-08-05 1995-02-22 日本電気株式会社 信号検出器
JP2797668B2 (ja) * 1989-07-17 1998-09-17 日本電気株式会社 直交検波方法および直交検波器

Also Published As

Publication number Publication date
EP0413108B1 (de) 1995-04-26
US5113415A (en) 1992-05-12
EP0413108A3 (en) 1992-03-18
CA2019359A1 (en) 1990-12-21
AU5773890A (en) 1991-01-03
AU642148B2 (en) 1993-10-14
EP0413108A2 (de) 1991-02-20
DE69018897T2 (de) 1995-08-24
CA2019359C (en) 1993-07-06

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