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GB2405296B - Apparatus and method for signal generation - Google Patents

Apparatus and method for signal generation

Info

Publication number
GB2405296B
GB2405296B GB0319492A GB0319492A GB2405296B GB 2405296 B GB2405296 B GB 2405296B GB 0319492 A GB0319492 A GB 0319492A GB 0319492 A GB0319492 A GB 0319492A GB 2405296 B GB2405296 B GB 2405296B
Authority
GB
United Kingdom
Prior art keywords
signal generation
generation
signal
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
GB0319492A
Other versions
GB0319492D0 (en
GB2405296A (en
Inventor
Christopher John Ward
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.)
Thales Holdings UK PLC
Original Assignee
Thales Holdings UK 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 Thales Holdings UK PLC filed Critical Thales Holdings UK PLC
Priority to GB0319492A priority Critical patent/GB2405296B/en
Publication of GB0319492D0 publication Critical patent/GB0319492D0/en
Publication of GB2405296A publication Critical patent/GB2405296A/en
Application granted granted Critical
Publication of GB2405296B publication Critical patent/GB2405296B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H04B2215/067—Reduction of clock or synthesizer reference frequency harmonics by modulation dispersion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
GB0319492A 2003-08-19 2003-08-19 Apparatus and method for signal generation Expired - Fee Related GB2405296B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0319492A GB2405296B (en) 2003-08-19 2003-08-19 Apparatus and method for signal generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0319492A GB2405296B (en) 2003-08-19 2003-08-19 Apparatus and method for signal generation

Publications (3)

Publication Number Publication Date
GB0319492D0 GB0319492D0 (en) 2003-09-17
GB2405296A GB2405296A (en) 2005-02-23
GB2405296B true GB2405296B (en) 2006-04-12

Family

ID=28052792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0319492A Expired - Fee Related GB2405296B (en) 2003-08-19 2003-08-19 Apparatus and method for signal generation

Country Status (1)

Country Link
GB (1) GB2405296B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0748074A2 (en) * 1995-06-07 1996-12-11 Ntt Mobile Communications Network Inc. Spread spectrum transmitter and receiver employing composite spreading codes
JPH10308718A (en) * 1997-05-06 1998-11-17 Saitama Nippon Denki Kk Carrier wave leakage compensation circuit
GB2327833A (en) * 1997-05-29 1999-02-03 Nokia Mobile Phones Ltd Transmitting two parallel channels using code division

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0748074A2 (en) * 1995-06-07 1996-12-11 Ntt Mobile Communications Network Inc. Spread spectrum transmitter and receiver employing composite spreading codes
JPH10308718A (en) * 1997-05-06 1998-11-17 Saitama Nippon Denki Kk Carrier wave leakage compensation circuit
GB2327833A (en) * 1997-05-29 1999-02-03 Nokia Mobile Phones Ltd Transmitting two parallel channels using code division

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
INSPEC Abstract Accession No. 2596692 & "Proceedings of the IEEE 1985 National Aerospace and Electronics Conference (NAECON)", 1985, IEEE, pp 30-34, Vol. 1 *

Also Published As

Publication number Publication date
GB0319492D0 (en) 2003-09-17
GB2405296A (en) 2005-02-23

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Legal Events

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

Effective date: 20160819