GB2207582B - Phase error correction and carrier recovery - Google Patents

Phase error correction and carrier recovery

Info

Publication number
GB2207582B
GB2207582B GB8718062A GB8718062A GB2207582B GB 2207582 B GB2207582 B GB 2207582B GB 8718062 A GB8718062 A GB 8718062A GB 8718062 A GB8718062 A GB 8718062A GB 2207582 B GB2207582 B GB 2207582B
Authority
GB
United Kingdom
Prior art keywords
error correction
phase error
carrier recovery
recovery
carrier
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 - Fee Related
Application number
GB8718062A
Other versions
GB8718062D0 (en
GB2207582A (en
Inventor
Stuart Michael Forsyth
Susan Mary Iversen
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8718062A priority Critical patent/GB2207582B/en
Publication of GB8718062D0 publication Critical patent/GB8718062D0/en
Publication of GB2207582A publication Critical patent/GB2207582A/en
Application granted granted Critical
Publication of GB2207582B publication Critical patent/GB2207582B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/2271—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB8718062A 1987-07-30 1987-07-30 Phase error correction and carrier recovery Expired - Fee Related GB2207582B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8718062A GB2207582B (en) 1987-07-30 1987-07-30 Phase error correction and carrier recovery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8718062A GB2207582B (en) 1987-07-30 1987-07-30 Phase error correction and carrier recovery

Publications (3)

Publication Number Publication Date
GB8718062D0 GB8718062D0 (en) 1987-09-03
GB2207582A GB2207582A (en) 1989-02-01
GB2207582B true GB2207582B (en) 1991-04-24

Family

ID=10621543

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8718062A Expired - Fee Related GB2207582B (en) 1987-07-30 1987-07-30 Phase error correction and carrier recovery

Country Status (1)

Country Link
GB (1) GB2207582B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635933B1 (en) * 1990-02-07 1998-09-30 Fujitsu Limited Constant-amplitude wave combination type amplifier
US5249204A (en) * 1991-08-12 1993-09-28 Motorola, Inc. Circuit and method for phase error correction in a digital receiver
AU668230B2 (en) * 1992-11-25 1996-04-26 Nec Corporation Frequency error detecting device capable of correctly detecting a frequency error between a carrier frequency and a standard frequency
JPH09130362A (en) * 1995-10-30 1997-05-16 Sony Corp Receiver and reception method
SE506847C2 (en) * 1996-06-28 1998-02-16 Ericsson Telefon Ab L M Method and apparatus for phase modulated signals
FR2781626B1 (en) * 1998-07-23 2003-02-07 St Microelectronics Sa METHOD FOR ESTIMATING A FREQUENCY ERROR OF A QPSK DEMODULATOR

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071514A1 (en) * 1981-07-23 1983-02-09 Alain Leclert Carrier wave recovery device
EP0091167A1 (en) * 1982-04-09 1983-10-12 Telecommunications Radioelectriques Et Telephoniques T.R.T. Method of correcting the frequency of the local carrier in the receiver of a data transmission system, and receiver utilizing this method
EP0143469A2 (en) * 1983-11-30 1985-06-05 Fujitsu Limited Receiver unit in radio communication system
EP0212582A2 (en) * 1985-08-15 1987-03-04 Nec Corporation Demodulation system capable of establishing synchronization in a transient state

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071514A1 (en) * 1981-07-23 1983-02-09 Alain Leclert Carrier wave recovery device
EP0091167A1 (en) * 1982-04-09 1983-10-12 Telecommunications Radioelectriques Et Telephoniques T.R.T. Method of correcting the frequency of the local carrier in the receiver of a data transmission system, and receiver utilizing this method
EP0143469A2 (en) * 1983-11-30 1985-06-05 Fujitsu Limited Receiver unit in radio communication system
EP0212582A2 (en) * 1985-08-15 1987-03-04 Nec Corporation Demodulation system capable of establishing synchronization in a transient state

Also Published As

Publication number Publication date
GB8718062D0 (en) 1987-09-03
GB2207582A (en) 1989-02-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030730