GB2189969B - Code tracking circuits for spread-spectrum receivers - Google Patents

Code tracking circuits for spread-spectrum receivers

Info

Publication number
GB2189969B
GB2189969B GB8610599A GB8610599A GB2189969B GB 2189969 B GB2189969 B GB 2189969B GB 8610599 A GB8610599 A GB 8610599A GB 8610599 A GB8610599 A GB 8610599A GB 2189969 B GB2189969 B GB 2189969B
Authority
GB
United Kingdom
Prior art keywords
spread
code tracking
tracking circuits
spectrum receivers
receivers
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
GB8610599A
Other versions
GB8610599D0 (en
GB2189969A (en
Inventor
Julian Richard Trinder
Adrian Anderson
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.)
Mitel Telecom Ltd
Multitone Electronics PLC
Original Assignee
Mitel Telecom Ltd
Multitone Electronics 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 Mitel Telecom Ltd, Multitone Electronics PLC filed Critical Mitel Telecom Ltd
Priority to GB8610599A priority Critical patent/GB2189969B/en
Publication of GB8610599D0 publication Critical patent/GB8610599D0/en
Publication of GB2189969A publication Critical patent/GB2189969A/en
Application granted granted Critical
Publication of GB2189969B publication Critical patent/GB2189969B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB8610599A 1986-04-30 1986-04-30 Code tracking circuits for spread-spectrum receivers Expired - Lifetime GB2189969B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8610599A GB2189969B (en) 1986-04-30 1986-04-30 Code tracking circuits for spread-spectrum receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8610599A GB2189969B (en) 1986-04-30 1986-04-30 Code tracking circuits for spread-spectrum receivers

Publications (3)

Publication Number Publication Date
GB8610599D0 GB8610599D0 (en) 1986-08-20
GB2189969A GB2189969A (en) 1987-11-04
GB2189969B true GB2189969B (en) 1990-03-28

Family

ID=10597130

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8610599A Expired - Lifetime GB2189969B (en) 1986-04-30 1986-04-30 Code tracking circuits for spread-spectrum receivers

Country Status (1)

Country Link
GB (1) GB2189969B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612716B1 (en) * 1987-03-19 1989-05-19 Snecma METHOD AND DEVICE FOR ENCODING AND DECODING A SPREAD SPECTRUM BROADBAND TRANSMISSION
GB2211053B (en) * 1987-10-09 1992-05-06 Clarion Co Ltd Spread spectrum communication receiver
US5031191A (en) * 1989-05-17 1991-07-09 Sanyo Electric Co., Ltd. Spread spectrum signal demodulation circuit
US5640416A (en) * 1995-06-07 1997-06-17 Comsat Corporation Digital downconverter/despreader for direct sequence spread spectrum communications system
FR2739695B1 (en) * 1995-10-06 1997-11-07 Sextant Avionique BROADBAND RECEIVER WITH DISTANCE MEASUREMENT BY PSEUDO-RANDOM CODE SIGNALS
JP2858561B2 (en) * 1996-05-30 1999-02-17 日本電気株式会社 Digital DLL circuit
GB9928356D0 (en) * 1999-12-01 2000-01-26 Koninkl Philips Electronics Nv Method and apparatus for code phase correlation
US8346841B2 (en) * 2008-05-16 2013-01-01 The University of Cape Town Research Contracts and Intellectual Property Services Cross-correlation of signals using event-based sampling

Also Published As

Publication number Publication date
GB8610599D0 (en) 1986-08-20
GB2189969A (en) 1987-11-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000430