NO884093L - Fremgangsmaate for paavisning av falske laasninger mellom signaler. - Google Patents

Fremgangsmaate for paavisning av falske laasninger mellom signaler.

Info

Publication number
NO884093L
NO884093L NO88884093A NO884093A NO884093L NO 884093 L NO884093 L NO 884093L NO 88884093 A NO88884093 A NO 88884093A NO 884093 A NO884093 A NO 884093A NO 884093 L NO884093 L NO 884093L
Authority
NO
Norway
Prior art keywords
procedure
signals
detection
false
loads
Prior art date
Application number
NO88884093A
Other languages
English (en)
Other versions
NO884093D0 (no
Inventor
Pierre Lopez
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of NO884093D0 publication Critical patent/NO884093D0/no
Publication of NO884093L publication Critical patent/NO884093L/no

Links

Classifications

    • 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
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • H04L2027/0042—Correction of carrier offset using an equaliser the equaliser providing the offset correction per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NO88884093A 1987-09-18 1988-09-15 Fremgangsmaate for paavisning av falske laasninger mellom signaler. NO884093L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8712961A FR2620885B1 (fr) 1987-09-18 1987-09-18 Procede de detection de faux accrochages du signal reference sur le signal a demoduler en demodulation numerique coherente et dispositif mettant en oeuvre un tel procede

Publications (2)

Publication Number Publication Date
NO884093D0 NO884093D0 (no) 1988-09-15
NO884093L true NO884093L (no) 1989-03-20

Family

ID=9355040

Family Applications (1)

Application Number Title Priority Date Filing Date
NO88884093A NO884093L (no) 1987-09-18 1988-09-15 Fremgangsmaate for paavisning av falske laasninger mellom signaler.

Country Status (7)

Country Link
US (1) US4847578A (no)
EP (1) EP0309306B1 (no)
JP (1) JPH01101050A (no)
CA (1) CA1287126C (no)
DE (1) DE3881805T2 (no)
FR (1) FR2620885B1 (no)
NO (1) NO884093L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19654966C2 (de) * 1995-07-18 2002-04-18 Mitsubishi Electric Corp Digitaler Empfänger
US5867503A (en) * 1996-01-30 1999-02-02 Mitsubishi Denki Kabushiki Kaisha Digital sound broadcasting receiver and automatic phase controlling method therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604425A5 (no) * 1975-12-31 1978-09-15 Ibm
CA1202702A (en) * 1982-09-03 1986-04-01 Gordon R. Lang Means and method for reduction of phase jitter
FR2543379B1 (fr) * 1983-03-25 1990-03-02 Thomson Csf Dispositif de demodulation directe en hyperfrequence et chaine de reception hyperfrequence comportant un tel dispositif
FR2581277A1 (fr) * 1985-04-30 1986-10-31 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques

Also Published As

Publication number Publication date
EP0309306B1 (fr) 1993-06-16
EP0309306A1 (fr) 1989-03-29
DE3881805D1 (de) 1993-07-22
JPH01101050A (ja) 1989-04-19
FR2620885B1 (fr) 1990-11-16
DE3881805T2 (de) 1993-10-07
FR2620885A1 (fr) 1989-03-24
NO884093D0 (no) 1988-09-15
CA1287126C (fr) 1991-07-30
US4847578A (en) 1989-07-11

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