GB2387300B - Method and apparatus for modulation - Google Patents

Method and apparatus for modulation

Info

Publication number
GB2387300B
GB2387300B GB0207598A GB0207598A GB2387300B GB 2387300 B GB2387300 B GB 2387300B GB 0207598 A GB0207598 A GB 0207598A GB 0207598 A GB0207598 A GB 0207598A GB 2387300 B GB2387300 B GB 2387300B
Authority
GB
United Kingdom
Prior art keywords
modulation
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
GB0207598A
Other versions
GB0207598D0 (en
GB2387300A (en
Inventor
Ewan Lindsay Frazer
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 GB0207598A priority Critical patent/GB2387300B/en
Publication of GB0207598D0 publication Critical patent/GB0207598D0/en
Publication of GB2387300A publication Critical patent/GB2387300A/en
Application granted granted Critical
Publication of GB2387300B publication Critical patent/GB2387300B/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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • 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
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/71632—Signal aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/719—Interference-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Dc Digital Transmission (AREA)
GB0207598A 2002-04-02 2002-04-02 Method and apparatus for modulation Expired - Fee Related GB2387300B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0207598A GB2387300B (en) 2002-04-02 2002-04-02 Method and apparatus for modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0207598A GB2387300B (en) 2002-04-02 2002-04-02 Method and apparatus for modulation

Publications (3)

Publication Number Publication Date
GB0207598D0 GB0207598D0 (en) 2002-05-15
GB2387300A GB2387300A (en) 2003-10-08
GB2387300B true GB2387300B (en) 2005-02-16

Family

ID=9934109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0207598A Expired - Fee Related GB2387300B (en) 2002-04-02 2002-04-02 Method and apparatus for modulation

Country Status (1)

Country Link
GB (1) GB2387300B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427164A (en) * 1972-02-19 1976-03-10 Nippon Electric Co Interference eliminating system for radars
GB1532242A (en) * 1975-05-14 1978-11-15 Marconi Co Ltd Radar
US6310906B1 (en) * 1999-08-18 2001-10-30 The Regents Of The University Of California Chaotic carrier pulse position modulation communication system and method
US6430208B1 (en) * 1994-09-20 2002-08-06 Time Domain Corporation Ultrawide-band communication system and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427164A (en) * 1972-02-19 1976-03-10 Nippon Electric Co Interference eliminating system for radars
GB1532242A (en) * 1975-05-14 1978-11-15 Marconi Co Ltd Radar
US6430208B1 (en) * 1994-09-20 2002-08-06 Time Domain Corporation Ultrawide-band communication system and method
US6310906B1 (en) * 1999-08-18 2001-10-30 The Regents Of The University Of California Chaotic carrier pulse position modulation communication system and method

Also Published As

Publication number Publication date
GB0207598D0 (en) 2002-05-15
GB2387300A (en) 2003-10-08

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Legal Events

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

Effective date: 20160402