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GB2419263B - OFDM receivers - Google Patents

OFDM receivers

Info

Publication number
GB2419263B
GB2419263B GB0523749A GB0523749A GB2419263B GB 2419263 B GB2419263 B GB 2419263B GB 0523749 A GB0523749 A GB 0523749A GB 0523749 A GB0523749 A GB 0523749A GB 2419263 B GB2419263 B GB 2419263B
Authority
GB
United Kingdom
Prior art keywords
ofdm receivers
ofdm
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 - Fee Related
Application number
GB0523749A
Other versions
GB0523749D0 (en
GB2419263A (en
Inventor
John Edward Elliott
Jonathan Highton Stott
Oliver Paul Haffenden
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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
Priority claimed from GB0215639A external-priority patent/GB0215639D0/en
Priority claimed from GB0215637A external-priority patent/GB0215637D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of GB0523749D0 publication Critical patent/GB0523749D0/en
Publication of GB2419263A publication Critical patent/GB2419263A/en
Application granted granted Critical
Publication of GB2419263B publication Critical patent/GB2419263B/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
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB0523749A 2002-07-05 2003-07-04 OFDM receivers Expired - Fee Related GB2419263B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0215639A GB0215639D0 (en) 2002-07-05 2002-07-05 OFDM receivers
GB0215637A GB0215637D0 (en) 2002-07-05 2002-07-05 OFDM receivers
GB0315748A GB2390517B (en) 2002-07-05 2003-07-04 OFDM receivers

Publications (3)

Publication Number Publication Date
GB0523749D0 GB0523749D0 (en) 2005-12-28
GB2419263A GB2419263A (en) 2006-04-19
GB2419263B true GB2419263B (en) 2006-10-18

Family

ID=27758846

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0523749A Expired - Fee Related GB2419263B (en) 2002-07-05 2003-07-04 OFDM receivers
GB0315748A Expired - Fee Related GB2390517B (en) 2002-07-05 2003-07-04 OFDM receivers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0315748A Expired - Fee Related GB2390517B (en) 2002-07-05 2003-07-04 OFDM receivers

Country Status (1)

Country Link
GB (2) GB2419263B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2423449B (en) * 2005-02-21 2009-10-07 British Broadcasting Corp Signal meter for digital systems
US8009745B2 (en) * 2005-11-15 2011-08-30 Qualcomm Incorporated Time tracking for a receiver with guard interval correlation
DE102007053402A1 (en) 2007-11-09 2009-05-14 Rohde & Schwarz Gmbh & Co. Kg Synchronization of receive symbols in OFDM

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0963068A2 (en) * 1998-06-02 1999-12-08 Mitsubishi Denki Kabushiki Kaisha Receiver for receiving digital broadcast programmes using the weighted sum of channel impulse response data to adjust the sampling window
EP1392015A1 (en) * 2002-02-20 2004-02-25 Mitsubishi Denki Kabushiki Kaisha Symbol timing correcting circuit, receiver, symbol timing correcting method, and demodulation processing method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6137847A (en) * 1997-05-02 2000-10-24 Lsi Logic Corporation Demodulating digital video broadcast signals
GB2353681B (en) * 1999-08-27 2003-01-15 Mitsubishi Electric Inf Tech OFDM frame synchronisation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0963068A2 (en) * 1998-06-02 1999-12-08 Mitsubishi Denki Kabushiki Kaisha Receiver for receiving digital broadcast programmes using the weighted sum of channel impulse response data to adjust the sampling window
EP1392015A1 (en) * 2002-02-20 2004-02-25 Mitsubishi Denki Kabushiki Kaisha Symbol timing correcting circuit, receiver, symbol timing correcting method, and demodulation processing method

Also Published As

Publication number Publication date
GB2390517B (en) 2006-10-18
GB0523749D0 (en) 2005-12-28
GB0315748D0 (en) 2003-08-13
GB2419263A (en) 2006-04-19
GB2390517A (en) 2004-01-07

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Legal Events

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

Effective date: 20220704