IT1074188B - Apparecchiatura per compensare errori di fase della portante in un ricevitore - Google Patents

Apparecchiatura per compensare errori di fase della portante in un ricevitore

Info

Publication number
IT1074188B
IT1074188B IT29534/76A IT2953476A IT1074188B IT 1074188 B IT1074188 B IT 1074188B IT 29534/76 A IT29534/76 A IT 29534/76A IT 2953476 A IT2953476 A IT 2953476A IT 1074188 B IT1074188 B IT 1074188B
Authority
IT
Italy
Prior art keywords
compensate
receiver
equipment
carrier phase
phase errors
Prior art date
Application number
IT29534/76A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1074188B publication Critical patent/IT1074188B/it

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
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
    • 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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IT29534/76A 1975-12-31 1976-11-19 Apparecchiatura per compensare errori di fase della portante in un ricevitore IT1074188B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1693075A CH604425A5 (it) 1975-12-31 1975-12-31

Publications (1)

Publication Number Publication Date
IT1074188B true IT1074188B (it) 1985-04-17

Family

ID=4421443

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29534/76A IT1074188B (it) 1975-12-31 1976-11-19 Apparecchiatura per compensare errori di fase della portante in un ricevitore

Country Status (8)

Country Link
US (1) US4091331A (it)
JP (1) JPS5283155A (it)
CA (1) CA1089021A (it)
CH (1) CH604425A5 (it)
DE (1) DE2627446C2 (it)
FR (1) FR2337467A1 (it)
GB (1) GB1515066A (it)
IT (1) IT1074188B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234957A (en) * 1978-12-04 1980-11-18 Gte Automatic Electric Laboratories Incorporated Method and apparatus for generating timing phase error signals in PSK demodulators
US4283682A (en) * 1979-04-06 1981-08-11 Ricoh Company, Ltd. Erasure zone decision feedback phase lock loop for carrier recovery in data modems
FR2455408B1 (fr) * 1979-04-27 1987-05-29 Cit Alcatel Procede de reduction des bruits de phase a la reception d'une transmission de donnees
FR2455406B1 (fr) * 1979-04-27 1987-05-29 Cit Alcatel Procede de compensation des bruits de phase a la reception d'une transmission de donnees
DE2950339C2 (de) * 1979-12-14 1984-06-07 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren und Anordnung zur digitalen Regelung der Trägerphase in Empfängern von Datenübertragungssystemen
US4371839A (en) * 1980-04-03 1983-02-01 Ford Aerospace & Communications Corporation Differentially coherent signal detector
US4379266A (en) * 1980-04-03 1983-04-05 Ford Aerospace & Communications Corporation PSK Demodulator with automatic compensation of delay induced phase shifts
EP0131054B1 (en) * 1983-01-12 1986-11-05 Ncr Corporation Circuit for reducing errors in a data receiver
GB2134355B (en) * 1983-01-12 1986-03-05 Ncr Co Circuit for reducing errors in a data receiver
JPS6055763A (ja) * 1983-09-06 1985-04-01 Hitachi Denshi Ltd 位相制御方法
JPS6093862A (ja) * 1983-10-27 1985-05-25 Nec Corp 遅延検波器
US4831637A (en) * 1984-06-19 1989-05-16 American Telephone And Telegraph Company Apparatus and technique for timing jitter cancellation in a data receiver
GB2199470B (en) * 1986-12-31 1991-01-30 Racal Recorders Ltd Electrical circuit arrangements
FR2620885B1 (fr) * 1987-09-18 1990-11-16 Alcatel Thomson Faisceaux 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
JP3101955B2 (ja) * 1991-06-06 2000-10-23 松下電器産業株式会社 ディジタル変調信号の復調装置
SE504341C2 (sv) * 1995-05-22 1997-01-20 Ericsson Telefon Ab L M Förfarande och anordning vid fasmodulerade signaler
JP3659800B2 (ja) * 1998-04-15 2005-06-15 三菱電機株式会社 位相誤差検出装置
US6621860B1 (en) * 1999-02-08 2003-09-16 Advantest Corp Apparatus for and method of measuring a jitter
US6249180B1 (en) * 1999-09-08 2001-06-19 Atmel Corporation Phase noise and additive noise estimation in a QAM demodulator
US6735538B1 (en) * 2000-03-29 2004-05-11 Advantest Corporation Apparatus and method for measuring quality measure of phase noise waveform
US6973145B1 (en) * 2000-09-01 2005-12-06 Ut-Battelle, Llc Digital-data receiver synchronization method and apparatus
US20030103582A1 (en) * 2001-12-04 2003-06-05 Linsky Stuart T. Selective reed-solomon error correction decoders in digital communication systems
JP4264584B2 (ja) * 2007-04-20 2009-05-20 ソニー株式会社 搬送波同期回路および搬送波同期方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178764B1 (it) * 1972-04-04 1974-08-02 Ibm France
FR2283606A1 (fr) * 1974-08-30 1976-03-26 Stern Thomas Filtre de phase pour reduire les effets des composantes de bruit affectant les signaux modules en phase par les valeurs discretes

Also Published As

Publication number Publication date
GB1515066A (en) 1978-06-21
FR2337467B1 (it) 1980-10-17
CA1089021A (en) 1980-11-04
FR2337467A1 (fr) 1977-07-29
DE2627446C2 (de) 1977-12-22
JPS613142B2 (it) 1986-01-30
CH604425A5 (it) 1978-09-15
JPS5283155A (en) 1977-07-11
US4091331A (en) 1978-05-23
DE2627446B1 (de) 1977-04-28

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