GB8723463D0 - Spread spectrum receiver - Google Patents

Spread spectrum receiver

Info

Publication number
GB8723463D0
GB8723463D0 GB878723463A GB8723463A GB8723463D0 GB 8723463 D0 GB8723463 D0 GB 8723463D0 GB 878723463 A GB878723463 A GB 878723463A GB 8723463 A GB8723463 A GB 8723463A GB 8723463 D0 GB8723463 D0 GB 8723463D0
Authority
GB
United Kingdom
Prior art keywords
spread spectrum
spectrum receiver
receiver
spread
spectrum
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.)
Withdrawn
Application number
GB878723463A
Other versions
GB2210739A (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.)
Honeywell Control Systems Ltd
Original Assignee
Honeywell Control Systems Ltd
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 Honeywell Control Systems Ltd filed Critical Honeywell Control Systems Ltd
Priority to GB8723463A priority Critical patent/GB2210739A/en
Publication of GB8723463D0 publication Critical patent/GB8723463D0/en
Publication of GB2210739A publication Critical patent/GB2210739A/en
Withdrawn legal-status Critical Current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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
GB8723463A 1987-10-06 1987-10-06 Spread spectrum receiver Withdrawn GB2210739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8723463A GB2210739A (en) 1987-10-06 1987-10-06 Spread spectrum receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8723463A GB2210739A (en) 1987-10-06 1987-10-06 Spread spectrum receiver

Publications (2)

Publication Number Publication Date
GB8723463D0 true GB8723463D0 (en) 1987-11-11
GB2210739A GB2210739A (en) 1989-06-14

Family

ID=10624875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8723463A Withdrawn GB2210739A (en) 1987-10-06 1987-10-06 Spread spectrum receiver

Country Status (1)

Country Link
GB (1) GB2210739A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2692434B2 (en) * 1991-02-22 1997-12-17 三菱電機株式会社 Spread spectrum demodulator
GB2292053B (en) * 1994-07-28 1998-08-26 Roke Manor Research Synchronisation apparatus
JP3581448B2 (en) * 1994-10-21 2004-10-27 キヤノン株式会社 Spread spectrum communication equipment
GB2345421B (en) * 1998-12-23 2004-05-26 Symbionics Limted A direct-sequence spread-sprectrum receiver
US6301311B1 (en) * 1999-02-10 2001-10-09 Anritsu Company Non-coherent, non-data-aided pseudo-noise synchronization and carrier synchronization for QPSK or OQPSK modulated CDMA system
US6735242B1 (en) * 1999-08-30 2004-05-11 Nokia Corporation Time tracking loop for pilot aided direct sequence spread spectrum systems
CN102621563B (en) * 2012-03-20 2013-09-18 东南大学 GPS (global positioning system) software receiver signal tracking method based on FPGA (field programmable gate array) and system of GPS software receiver signal tracking method

Also Published As

Publication number Publication date
GB2210739A (en) 1989-06-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)