FR2502872B1 - Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4 - Google Patents

Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4

Info

Publication number
FR2502872B1
FR2502872B1 FR8106580A FR8106580A FR2502872B1 FR 2502872 B1 FR2502872 B1 FR 2502872B1 FR 8106580 A FR8106580 A FR 8106580A FR 8106580 A FR8106580 A FR 8106580A FR 2502872 B1 FR2502872 B1 FR 2502872B1
Authority
FR
France
Prior art keywords
mdp4
mdp2
modulated signal
carrier recovery
recovery member
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
Application number
FR8106580A
Other languages
English (en)
Other versions
FR2502872A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8106580A priority Critical patent/FR2502872B1/fr
Priority to DE19823208480 priority patent/DE3208480A1/de
Priority to US06/356,799 priority patent/US4491805A/en
Priority to GB8209051A priority patent/GB2096420B/en
Publication of FR2502872A1 publication Critical patent/FR2502872A1/fr
Application granted granted Critical
Publication of FR2502872B1 publication Critical patent/FR2502872B1/fr
Expired legal-status Critical Current

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
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR8106580A 1981-03-27 1981-03-27 Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4 Expired FR2502872B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8106580A FR2502872B1 (fr) 1981-03-27 1981-03-27 Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4
DE19823208480 DE3208480A1 (de) 1981-03-27 1982-03-09 Traegerfrequenzrueckgewinnungseinrichtung fuer modulationssignale mit 2- oder -4-stufiger phasenverschiebung
US06/356,799 US4491805A (en) 1981-03-27 1982-03-10 BPSK And QPSK transmission systems having phase locked loop for regenerating the carrier wave
GB8209051A GB2096420B (en) 1981-03-27 1982-03-26 A device for carrier regeneration for two-phase or four-phase psk signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8106580A FR2502872B1 (fr) 1981-03-27 1981-03-27 Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4

Publications (2)

Publication Number Publication Date
FR2502872A1 FR2502872A1 (fr) 1982-10-01
FR2502872B1 true FR2502872B1 (fr) 1988-06-17

Family

ID=9256899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8106580A Expired FR2502872B1 (fr) 1981-03-27 1981-03-27 Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4

Country Status (4)

Country Link
US (1) US4491805A (fr)
DE (1) DE3208480A1 (fr)
FR (1) FR2502872B1 (fr)
GB (1) GB2096420B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538120A (en) * 1983-12-19 1985-08-27 Rca Corporation Carrier recovery loop for reception of quadraphase shift keyed signals
JPS60203045A (ja) * 1984-03-28 1985-10-14 Nec Corp 位相同期検波復調器
US4675883A (en) * 1984-10-04 1987-06-23 Siemens Aktiengesellschaft Arrangement for Carrier Recovery from Two Received Phase Shift Keyed Signals
US4737968A (en) * 1985-10-25 1988-04-12 Phillips Petroleum Company QPSK transmission system having phaselocked tracking filter for spectrum shaping
US5440265A (en) * 1994-09-14 1995-08-08 Sicom, Inc. Differential/coherent digital demodulator operating at multiple symbol points
JP3323054B2 (ja) 1996-04-01 2002-09-09 株式会社東芝 周波数逓倍回路
DE10251176A1 (de) * 2002-10-31 2004-05-13 Siemens Ag Anordnung und Verfahren für eine Trägerrückgewinnung
US8159288B2 (en) * 2007-02-28 2012-04-17 Tufts University Low power BPSK demodulator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7998375A (en) * 1974-04-11 1976-10-14 British United Shoe Machinery Gripper assemblies for use in shoe upper conforming machines and shoe upper conforming machines incorporating such gripperassemblies
FR2367387A1 (fr) * 1976-10-07 1978-05-05 Brossard Pierre Circuits de recuperation des frequences porteuses et rythmes dans des systemes de transmission numerique
JPS6031368B2 (ja) * 1978-08-23 1985-07-22 富士通株式会社 帯域炉波器
FR2437733A1 (fr) * 1978-08-30 1980-04-25 Cit Alcatel Procede de regeneration de l'onde porteuse de modulation d'un signal module comportant des raies symetriques par rapport a cette porteuse et dispositif de mise en oeuvre
US4334312A (en) * 1979-08-10 1982-06-08 Nippon Electric Co., Ltd. Phase synchronizing circuit for use in multi-level, multi-phase, superposition-modulated signal transmission system

Also Published As

Publication number Publication date
US4491805A (en) 1985-01-01
GB2096420A (en) 1982-10-13
FR2502872A1 (fr) 1982-10-01
DE3208480C2 (fr) 1991-05-16
DE3208480A1 (de) 1982-10-07
GB2096420B (en) 1985-06-05

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse