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GB2203303B - Radio frequency tracking loop - Google Patents

Radio frequency tracking loop

Info

Publication number
GB2203303B
GB2203303B GB8707599A GB8707599A GB2203303B GB 2203303 B GB2203303 B GB 2203303B GB 8707599 A GB8707599 A GB 8707599A GB 8707599 A GB8707599 A GB 8707599A GB 2203303 B GB2203303 B GB 2203303B
Authority
GB
United Kingdom
Prior art keywords
radio frequency
tracking loop
frequency tracking
loop
radio
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 - Lifetime
Application number
GB8707599A
Other versions
GB2203303A (en
GB8707599D0 (en
Inventor
Andrew Chi Chung Wong
Robert Rolley
Stuart Michael Forsyth
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 GB8707599A priority Critical patent/GB2203303B/en
Publication of GB8707599D0 publication Critical patent/GB8707599D0/en
Publication of GB2203303A publication Critical patent/GB2203303A/en
Application granted granted Critical
Publication of GB2203303B publication Critical patent/GB2203303B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure

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)
GB8707599A 1987-03-31 1987-03-31 Radio frequency tracking loop Expired - Lifetime GB2203303B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8707599A GB2203303B (en) 1987-03-31 1987-03-31 Radio frequency tracking loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8707599A GB2203303B (en) 1987-03-31 1987-03-31 Radio frequency tracking loop

Publications (3)

Publication Number Publication Date
GB8707599D0 GB8707599D0 (en) 1987-07-29
GB2203303A GB2203303A (en) 1988-10-12
GB2203303B true GB2203303B (en) 1991-02-13

Family

ID=10614942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8707599A Expired - Lifetime GB2203303B (en) 1987-03-31 1987-03-31 Radio frequency tracking loop

Country Status (1)

Country Link
GB (1) GB2203303B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9019487D0 (en) * 1990-09-06 1990-10-24 Ncr Co Carrier detection for a wireless local area network
JP3441086B2 (en) 1990-09-06 2003-08-25 ルーセント テクノロジーズ インコーポレーテッド Clock Recovery Method for Wireless Local Area Network Station
GB9019491D0 (en) * 1990-09-06 1990-10-24 Ncr Co Clock recovery for a wireless local area network station
US5550869A (en) * 1992-12-30 1996-08-27 Comstream Corporation Demodulator for consumer uses
US6590872B1 (en) * 1997-12-12 2003-07-08 Thomson Licensing S.A. Receiver with parallel correlator for acquisition of spread spectrum digital transmission
US20060193407A1 (en) * 2005-02-28 2006-08-31 Dibiaso Eric A Method and system using preamble detection to demodulate a phase shift key carrier signal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0177963A2 (en) * 1984-10-12 1986-04-16 Sony Corporation Decoder for spectrum diffusion signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0177963A2 (en) * 1984-10-12 1986-04-16 Sony Corporation Decoder for spectrum diffusion signals

Also Published As

Publication number Publication date
GB2203303A (en) 1988-10-12
GB8707599D0 (en) 1987-07-29

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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)
PE20 Patent expired after termination of 20 years

Effective date: 20070330