DE2656924C3 - Phasendiskriminator in einem Empfänger eines Datenübertragungssystems - Google Patents

Phasendiskriminator in einem Empfänger eines Datenübertragungssystems

Info

Publication number
DE2656924C3
DE2656924C3 DE2656924A DE2656924A DE2656924C3 DE 2656924 C3 DE2656924 C3 DE 2656924C3 DE 2656924 A DE2656924 A DE 2656924A DE 2656924 A DE2656924 A DE 2656924A DE 2656924 C3 DE2656924 C3 DE 2656924C3
Authority
DE
Germany
Prior art keywords
phase
signal
carrier
signals
sign
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
DE2656924A
Other languages
German (de)
English (en)
Other versions
DE2656924B2 (de
DE2656924A1 (de
Inventor
Loic Bernard Yves Le Plessis Robinson Guidoux
Jean-Louis Le Plessis Robinson Renaudat
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Publication of DE2656924A1 publication Critical patent/DE2656924A1/de
Publication of DE2656924B2 publication Critical patent/DE2656924B2/de
Application granted granted Critical
Publication of DE2656924C3 publication Critical patent/DE2656924C3/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0053Closed loops
    • H04L2027/0057Closed loops quadrature phase
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0063Elements of loops
    • H04L2027/0067Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE2656924A 1975-12-29 1976-12-16 Phasendiskriminator in einem Empfänger eines Datenübertragungssystems Expired DE2656924C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7539962A FR2337468A1 (fr) 1975-12-29 1975-12-29 Discriminateur de phase pour recepteur d'un systeme de transmission de donnees

Publications (3)

Publication Number Publication Date
DE2656924A1 DE2656924A1 (de) 1977-07-07
DE2656924B2 DE2656924B2 (de) 1980-07-31
DE2656924C3 true DE2656924C3 (de) 1981-03-26

Family

ID=9164255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2656924A Expired DE2656924C3 (de) 1975-12-29 1976-12-16 Phasendiskriminator in einem Empfänger eines Datenübertragungssystems

Country Status (10)

Country Link
US (1) US4174489A (OSRAM)
JP (1) JPS5283053A (OSRAM)
AU (1) AU503350B2 (OSRAM)
BE (1) BE849924A (OSRAM)
CA (1) CA1099350A (OSRAM)
DE (1) DE2656924C3 (OSRAM)
FR (1) FR2337468A1 (OSRAM)
GB (1) GB1539749A (OSRAM)
NL (1) NL173005C (OSRAM)
SE (1) SE414855B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744430A1 (de) 1976-10-06 1978-04-13 Trt Telecom Radio Electr Anordnung zur automatischen neusynchronisation eines datenuebertragungsempfaengers

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5365050A (en) * 1976-11-24 1978-06-10 Nec Corp Demodulating system for phase modulation data signal
FR2454233B1 (fr) * 1979-04-11 1986-01-24 Materiel Telephonique Demodulateur stochastique pour signaux modules en sauts de phase, fonctionnant en temps partage sur plusieurs canaux
US4247943A (en) * 1979-05-21 1981-01-27 Northrop Corporation Piecewise coherent, combined frequency and phase-shift-keyed signal demodulator
EP0131054B1 (en) * 1983-01-12 1986-11-05 Ncr Corporation Circuit for reducing errors in a data receiver
US4514697A (en) * 1983-02-09 1985-04-30 Westinghouse Electric Corp. Coherent phase shift keyed demodulator with improved sampling apparatus and method
DE3421084A1 (de) * 1983-06-06 1984-12-13 Ricoh Co., Ltd., Tokio/Tokyo Symbolentscheidungsverfahren
JPH0821963B2 (ja) * 1984-11-19 1996-03-04 ソニー株式会社 周波数検出装置
JP3205111B2 (ja) * 1993-02-18 2001-09-04 富士通株式会社 変復調装置
FR2741221B1 (fr) * 1995-11-13 1997-12-05 Alcatel Telspace Etage de demodulation directe d'un signal module en quadrature de phase et recepteur comprenant un tel etage de demodulation
FR2780590B1 (fr) * 1998-06-29 2000-10-06 Sgs Thomson Microelectronics Demodulateur qpsk a entree en frequence intermediaire
US7239431B2 (en) * 2001-04-04 2007-07-03 Agere Systems Inc. System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same
FR2849726B1 (fr) * 2003-01-06 2005-02-25 Thomson Licensing Sa Dispositif de filtrage tres selectif et procede de filtrage correspondant
US7929630B2 (en) * 2006-09-11 2011-04-19 Symbol Technologies, Inc. Adaptive RFID receiver for QAM signals
CN111487476B (zh) * 2020-05-06 2022-07-08 深圳市鼎阳科技股份有限公司 一种准峰值检波方法和准峰值检波器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1129180B (de) * 1961-03-30 1962-05-10 Telefunken Patent Empfangseinrichtung fuer Impulsuebertragung durch quantisierte Phasenmodulation eines Traegers
US3598974A (en) * 1967-09-15 1971-08-10 Sperry Rand Corp Programmable digital differential analyzer integrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744430A1 (de) 1976-10-06 1978-04-13 Trt Telecom Radio Electr Anordnung zur automatischen neusynchronisation eines datenuebertragungsempfaengers

Also Published As

Publication number Publication date
SE414855B (sv) 1980-08-18
BE849924A (fr) 1977-06-28
CA1099350A (en) 1981-04-14
NL7614427A (nl) 1977-07-01
DE2656924B2 (de) 1980-07-31
AU2091076A (en) 1978-06-29
FR2337468A1 (fr) 1977-07-29
NL173005C (nl) 1983-11-16
JPS5532309B2 (OSRAM) 1980-08-23
AU503350B2 (en) 1979-08-30
DE2656924A1 (de) 1977-07-07
SE7614542L (sv) 1977-06-30
US4174489A (en) 1979-11-13
GB1539749A (en) 1979-01-31
JPS5283053A (en) 1977-07-11
FR2337468B1 (OSRAM) 1980-10-17

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee