GB8718062D0 - Phase error correction & carrier recovery - Google Patents

Phase error correction & carrier recovery

Info

Publication number
GB8718062D0
GB8718062D0 GB878718062A GB8718062A GB8718062D0 GB 8718062 D0 GB8718062 D0 GB 8718062D0 GB 878718062 A GB878718062 A GB 878718062A GB 8718062 A GB8718062 A GB 8718062A GB 8718062 D0 GB8718062 D0 GB 8718062D0
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.)
Granted
Application number
GB878718062A
Other versions
GB2207582A (en
GB2207582B (en
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 true GB8718062D0 (en) 1987-09-03
GB2207582A GB2207582A (en) 1989-02-01
GB2207582B 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
EP0443368B1 (en) * 1990-02-07 1996-06-19 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
US5533068A (en) * 1992-11-25 1996-07-02 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510331A1 (en) * 1981-07-23 1983-01-28 Leclert Alain CIRCUIT FOR REGENERATING A CARRIER WAVE
FR2525055A1 (en) * 1982-04-09 1983-10-14 Trt Telecom Radio Electr METHOD OF CORRECTING FREQUENCY OF THE LOCAL CARRIER IN THE RECEIVER OF A DATA TRANSMISSION SYSTEM AND RECEIVER USING THE SAME
JPH0714170B2 (en) * 1983-11-30 1995-02-15 富士通株式会社 Carrier wave regeneration circuit
EP0212582B1 (en) * 1985-08-15 1992-12-09 Nec Corporation Demodulation system capable of establishing synchronization in a transient state

Also Published As

Publication number Publication date
GB2207582A (en) 1989-02-01
GB2207582B (en) 1991-04-24

Similar Documents

Publication Publication Date Title
EP0497433A3 (en) Phase controlled demodulation system for digital communication
GB2197788B (en) Dual phase solvent carrier system
AU558495B2 (en) Carrier recovery
EP0176218A3 (en) Error correcting system
AU579917B2 (en) Phase locked loop
EP0295120A3 (en) A phase detector
GB2193406B (en) Phase detector
EP0207243A3 (en) Error correction mechanism
GB2226927B (en) An error correction system
DE3565199D1 (en) Demodulator using phase-locked loop
GB8718062D0 (en) Phase error correction & carrier recovery
EP0566215A3 (en) Error correction apparatus
AU5760086A (en) Time base error corrector
GB8729016D0 (en) Data demodulator carrier phase error detector
GB2197098B (en) Code error correction circuit
GB2222282B (en) Error correcting apparatus
AU4128585A (en) Phase locked loop
AU6154386A (en) Velocity error correcting circuit for the time base error corrector
EP0259887A3 (en) Phase difference detector
GB8505923D0 (en) Phase corrector
GB2163045B (en) Convertible carrier for a child
GB2196607B (en) Dispenser for transprinting-type error correction tape
GB8729017D0 (en) Data demodulator carrier phase locking
GB9023759D0 (en) Correction of quadrature phase error
GB8602227D0 (en) Phase & quadrature receiver

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