GB2353681B - OFDM frame synchronisation - Google Patents

OFDM frame synchronisation

Info

Publication number
GB2353681B
GB2353681B GB9920447A GB9920447A GB2353681B GB 2353681 B GB2353681 B GB 2353681B GB 9920447 A GB9920447 A GB 9920447A GB 9920447 A GB9920447 A GB 9920447A GB 2353681 B GB2353681 B GB 2353681B
Authority
GB
United Kingdom
Prior art keywords
ofdm frame
frame synchronisation
synchronisation
ofdm
frame
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 - Lifetime
Application number
GB9920447A
Other versions
GB2353681A (en
GB9920447D0 (en
Inventor
Stephen Kingsley Barton
Stephen Mark Brunt
Javier Echavarri Delmas
John Orriss
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.)
Mitsubishi Electric Information Technology Corp
Original Assignee
Mitsubishi Electric Information Technology 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 to GB0208805A priority Critical patent/GB2373693B/en
Application filed by Mitsubishi Electric Information Technology Corp filed Critical Mitsubishi Electric Information Technology Corp
Priority to GB9920447A priority patent/GB2353681B/en
Priority to GB0208803A priority patent/GB2373692C/en
Publication of GB9920447D0 publication Critical patent/GB9920447D0/en
Priority to PCT/JP2000/005704 priority patent/WO2001017150A1/en
Priority to CNA200510078514XA priority patent/CN1694445A/en
Priority to CNB008024278A priority patent/CN1214437C/en
Priority to IDW20010931A priority patent/ID29153A/en
Priority to CNA2005100785154A priority patent/CN1694446A/en
Priority to US09/807,959 priority patent/US7227834B1/en
Priority to DE10063990A priority patent/DE10063990B4/en
Publication of GB2353681A publication Critical patent/GB2353681A/en
Application granted granted Critical
Publication of GB2353681B publication Critical patent/GB2353681B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Synchronisation In Digital Transmission Systems (AREA)
GB9920447A 1999-08-27 1999-08-27 OFDM frame synchronisation Expired - Lifetime GB2353681B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB9920447A GB2353681B (en) 1999-08-27 1999-08-27 OFDM frame synchronisation
GB0208803A GB2373692C (en) 1999-08-27 1999-08-27 Ofdm frame synchronisation
GB0208805A GB2373693B (en) 1999-08-27 1999-08-27 OFDM frame synchronisation
PCT/JP2000/005704 WO2001017150A1 (en) 1999-08-27 2000-08-24 Synchronizing pulse generating method and method of receiving ofdm signal
CNA200510078514XA CN1694445A (en) 1999-08-27 2000-08-24 Synchronizing pulse generating method and method of receiving OFDM signal
CNB008024278A CN1214437C (en) 1999-08-27 2000-08-24 Synchronizing pulse generating method and method of receiving OFDM signal
IDW20010931A ID29153A (en) 1999-08-27 2000-08-24 METHOD, SYNCHRONIZATION PULSE AND METHOD OF RECEIVING SIGNAL OFDM
CNA2005100785154A CN1694446A (en) 1999-08-27 2000-08-24 Synchronizing pulse generating method and method of receiving OFDM signal
US09/807,959 US7227834B1 (en) 1999-08-27 2000-08-24 Synchronizing pulse generating method and method of receiving OFDM signal
DE10063990A DE10063990B4 (en) 1999-08-27 2000-12-21 OFDM frame synchronization

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9920447A GB2353681B (en) 1999-08-27 1999-08-27 OFDM frame synchronisation
DE10063990A DE10063990B4 (en) 1999-08-27 2000-12-21 OFDM frame synchronization

Publications (3)

Publication Number Publication Date
GB9920447D0 GB9920447D0 (en) 1999-11-03
GB2353681A GB2353681A (en) 2001-02-28
GB2353681B true GB2353681B (en) 2003-01-15

Family

ID=26008024

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0208805A Expired - Lifetime GB2373693B (en) 1999-08-27 1999-08-27 OFDM frame synchronisation
GB9920447A Expired - Lifetime GB2353681B (en) 1999-08-27 1999-08-27 OFDM frame synchronisation
GB0208803A Expired - Lifetime GB2373692C (en) 1999-08-27 1999-08-27 Ofdm frame synchronisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0208805A Expired - Lifetime GB2373693B (en) 1999-08-27 1999-08-27 OFDM frame synchronisation

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0208803A Expired - Lifetime GB2373692C (en) 1999-08-27 1999-08-27 Ofdm frame synchronisation

Country Status (4)

Country Link
CN (1) CN1214437C (en)
DE (1) DE10063990B4 (en)
GB (3) GB2373693B (en)
WO (1) WO2001017150A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3789275B2 (en) * 2000-02-28 2006-06-21 三菱電機株式会社 Subcarrier frequency signal demodulator
GB2364866B (en) * 2000-07-12 2004-05-19 Conexant Systems Inc Television receiver
ATE345618T1 (en) 2001-03-09 2006-12-15 Flarion Technologies Inc METHOD FOR SYMBOL TACT SYNCHRONIZATION IN COMMUNICATION SYSTEMS
US7206367B1 (en) * 2001-07-10 2007-04-17 Sigmatel, Inc. Apparatus and method to synchronize multimedia playback over a network using out-of-band signaling
GB2390517B (en) * 2002-07-05 2006-10-18 British Broadcasting Corp OFDM receivers
DE60311067T2 (en) 2003-04-17 2007-08-16 Mitsubishi Denki K.K. OFDM symbol synchronization
GB2417864A (en) 2004-09-01 2006-03-08 Univ Bristol Determining time of receipt of a signal on the basis of a falling edge of a derivative of a correlation function
US7425778B2 (en) 2005-04-14 2008-09-16 Schweitzer Engineering Laboratories, Inc. Apparatus and method for compensating secondary currents used in differential protection to correct for a phase shift introduced between high voltage and low voltage transformer windings
US7602852B2 (en) 2005-04-21 2009-10-13 Telefonaktiebolaget L M Ericsson (Publ) Initial parameter estimation in OFDM systems
US8433021B2 (en) 2006-10-16 2013-04-30 Koninklijke Philips Electronics N.V. Determining symbol synchronization information for OFDM signals
CN103888154B (en) * 2014-03-31 2017-10-20 四川九洲空管科技有限责任公司 A kind of multichannel is anti-interference with anti-aliasing pulse train coding/decoding method
CN104361383A (en) * 2014-10-31 2015-02-18 上海复亚微电子有限公司 Decoding method for FM0 (bi-phase space coding) of ultrahigh-frequency RFID (radio frequency identification) reader and writer

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0730357A2 (en) * 1995-03-01 1996-09-04 Telia Ab Frequency and frame synchronisation for OFDM
GB2306084A (en) * 1995-10-30 1997-04-23 British Broadcasting Corp Correlation of OFDM signals
GB2307155A (en) * 1995-11-02 1997-05-14 British Broadcasting Corp Synchronisation of OFDM signals
EP0854620A2 (en) * 1997-01-20 1998-07-22 Sony Corporation Demodulating apparatus for OFDM signals
EP0881804A1 (en) * 1997-05-27 1998-12-02 Koninklijke Philips Electronics N.V. Method and system for the determination of the symbol transmission format in a transmission system
EP0915597A1 (en) * 1997-11-05 1999-05-12 Sony International (Europe) GmbH Synchronisation of digital communication systems
EP0955754A1 (en) * 1998-05-07 1999-11-10 NOKIA TECHNOLOGY GmbH Method and apparatus for achieving and maintaining symbol synchronization in an OFDM transmission system
EP1041790A2 (en) * 1999-03-30 2000-10-04 Nec Corporation Symbol timing recovery for OFDM demodulator
EP1063824A2 (en) * 1999-06-22 2000-12-27 Matsushita Electric Industrial Co., Ltd. Symbol synchronisation in multicarrier receivers
GB2361157A (en) * 1997-05-02 2001-10-10 British Broadcasting Corp Improvements to OFDM symbol synchronization

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772332A3 (en) * 1995-11-02 2000-10-11 British Broadcasting Corporation Synchronisation of OFDM signals
CA2183140C (en) * 1996-08-12 2001-11-20 Grant Mcgibney Ofdm timing and frequency recovery system
JPH10190610A (en) * 1996-12-24 1998-07-21 Fujitsu Ten Ltd Receiver of multicarrier system
JP3726856B2 (en) * 1997-05-02 2005-12-14 ソニー株式会社 Receiving apparatus and receiving method
JP3981898B2 (en) * 1998-02-20 2007-09-26 ソニー株式会社 Signal receiving apparatus and method, and recording medium
DE60039862D1 (en) * 1999-04-22 2008-09-25 Nippon Telegraph & Telephone OFDM message transmission and packet receiver

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0730357A2 (en) * 1995-03-01 1996-09-04 Telia Ab Frequency and frame synchronisation for OFDM
GB2306084A (en) * 1995-10-30 1997-04-23 British Broadcasting Corp Correlation of OFDM signals
GB2307155A (en) * 1995-11-02 1997-05-14 British Broadcasting Corp Synchronisation of OFDM signals
EP0854620A2 (en) * 1997-01-20 1998-07-22 Sony Corporation Demodulating apparatus for OFDM signals
GB2361157A (en) * 1997-05-02 2001-10-10 British Broadcasting Corp Improvements to OFDM symbol synchronization
EP0881804A1 (en) * 1997-05-27 1998-12-02 Koninklijke Philips Electronics N.V. Method and system for the determination of the symbol transmission format in a transmission system
EP0915597A1 (en) * 1997-11-05 1999-05-12 Sony International (Europe) GmbH Synchronisation of digital communication systems
EP0955754A1 (en) * 1998-05-07 1999-11-10 NOKIA TECHNOLOGY GmbH Method and apparatus for achieving and maintaining symbol synchronization in an OFDM transmission system
EP1041790A2 (en) * 1999-03-30 2000-10-04 Nec Corporation Symbol timing recovery for OFDM demodulator
EP1063824A2 (en) * 1999-06-22 2000-12-27 Matsushita Electric Industrial Co., Ltd. Symbol synchronisation in multicarrier receivers

Also Published As

Publication number Publication date
GB0208803D0 (en) 2002-05-29
DE10063990B4 (en) 2011-08-11
GB0208805D0 (en) 2002-05-29
DE10063990A1 (en) 2002-06-27
GB2373692B (en) 2003-01-15
GB2373692C (en) 2007-12-31
GB2373692A (en) 2002-09-25
GB2353681A (en) 2001-02-28
GB2373693B (en) 2003-01-15
CN1214437C (en) 2005-08-10
CN1336001A (en) 2002-02-13
WO2001017150A1 (en) 2001-03-08
GB2373693A (en) 2002-09-25
GB9920447D0 (en) 1999-11-03

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150625 AND 20150701

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190711 AND 20190717

PE20 Patent expired after termination of 20 years

Expiry date: 20190826