GB2421405B - Time domain spreading method and apparatus - Google Patents

Time domain spreading method and apparatus

Info

Publication number
GB2421405B
GB2421405B GB0427730A GB0427730A GB2421405B GB 2421405 B GB2421405 B GB 2421405B GB 0427730 A GB0427730 A GB 0427730A GB 0427730 A GB0427730 A GB 0427730A GB 2421405 B GB2421405 B GB 2421405B
Authority
GB
United Kingdom
Prior art keywords
time domain
spreading method
domain spreading
time
spreading
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.)
Active
Application number
GB0427730A
Other versions
GB2421405A (en
GB2421405B8 (en
GB2421405A8 (en
GB0427730D0 (en
Inventor
Juinn-Horng Deng
Kuang-Shyr Wu
Yu-Min Chuang
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.)
National Chung Shan Institute of Science and Technology NCSIST
Original Assignee
National Chung Shan Institute of Science and Technology NCSIST
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
Publication of GB2421405B8 publication Critical patent/GB2421405B8/en
Application filed by National Chung Shan Institute of Science and Technology NCSIST filed Critical National Chung Shan Institute of Science and Technology NCSIST
Priority to GB0427730A priority Critical patent/GB2421405B/en
Publication of GB0427730D0 publication Critical patent/GB0427730D0/en
Publication of GB2421405A publication Critical patent/GB2421405A/en
Application granted granted Critical
Publication of GB2421405B publication Critical patent/GB2421405B/en
Publication of GB2421405A8 publication Critical patent/GB2421405A8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/7183—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0427730A 2004-12-17 2004-12-17 Time domain spreading method and apparatus Active GB2421405B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0427730A GB2421405B (en) 2004-12-17 2004-12-17 Time domain spreading method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0427730A GB2421405B (en) 2004-12-17 2004-12-17 Time domain spreading method and apparatus

Publications (5)

Publication Number Publication Date
GB2421405B8 GB2421405B8 (en)
GB0427730D0 GB0427730D0 (en) 2005-01-19
GB2421405A GB2421405A (en) 2006-06-21
GB2421405B true GB2421405B (en) 2007-12-12
GB2421405A8 GB2421405A8 (en) 2008-03-10

Family

ID=34090269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0427730A Active GB2421405B (en) 2004-12-17 2004-12-17 Time domain spreading method and apparatus

Country Status (1)

Country Link
GB (1) GB2421405B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6130918A (en) * 1997-12-01 2000-10-10 Nortel Networks Limited Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system
EP1079577A2 (en) * 1999-08-25 2001-02-28 Victor Company Of Japan, Limited Multicarrier modulation
EP1176516A2 (en) * 2000-07-18 2002-01-30 Victor Company Of Japan Limited Recursive discrete fourier transformation apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6130918A (en) * 1997-12-01 2000-10-10 Nortel Networks Limited Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system
EP1079577A2 (en) * 1999-08-25 2001-02-28 Victor Company Of Japan, Limited Multicarrier modulation
EP1176516A2 (en) * 2000-07-18 2002-01-30 Victor Company Of Japan Limited Recursive discrete fourier transformation apparatus

Also Published As

Publication number Publication date
GB2421405A (en) 2006-06-21
GB2421405B8 (en)
GB2421405A8 (en) 2008-03-10
GB0427730D0 (en) 2005-01-19

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