GB2333212B - Method and apparatus for correcting a timing error in a sampled data system - Google Patents

Method and apparatus for correcting a timing error in a sampled data system

Info

Publication number
GB2333212B
GB2333212B GB9824039A GB9824039A GB2333212B GB 2333212 B GB2333212 B GB 2333212B GB 9824039 A GB9824039 A GB 9824039A GB 9824039 A GB9824039 A GB 9824039A GB 2333212 B GB2333212 B GB 2333212B
Authority
GB
United Kingdom
Prior art keywords
correcting
sampled data
data system
timing error
timing
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
GB9824039A
Other versions
GB9824039D0 (en
GB2333212A (en
Inventor
Paul George Turner
Steven Anthony Meade
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.)
Wireless Systems International Ltd
Original Assignee
Wireless Systems International Ltd
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 Wireless Systems International Ltd filed Critical Wireless Systems International Ltd
Publication of GB9824039D0 publication Critical patent/GB9824039D0/en
Publication of GB2333212A publication Critical patent/GB2333212A/en
Application granted granted Critical
Publication of GB2333212B publication Critical patent/GB2333212B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042Detectors therefor, e.g. correlators, state machines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03133Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/233Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/0036Correction of carrier offset using a recovered symbol clock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0046Open loops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0016Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9824039A 1997-11-03 1998-11-03 Method and apparatus for correcting a timing error in a sampled data system Expired - Fee Related GB2333212B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9723216.9A GB9723216D0 (en) 1997-11-03 1997-11-03 Method of and apparatus for correcting a timing error in a sampled data system

Publications (3)

Publication Number Publication Date
GB9824039D0 GB9824039D0 (en) 1998-12-30
GB2333212A GB2333212A (en) 1999-07-14
GB2333212B true GB2333212B (en) 2003-06-04

Family

ID=10821508

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9723216.9A Ceased GB9723216D0 (en) 1997-11-03 1997-11-03 Method of and apparatus for correcting a timing error in a sampled data system
GB9824039A Expired - Fee Related GB2333212B (en) 1997-11-03 1998-11-03 Method and apparatus for correcting a timing error in a sampled data system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9723216.9A Ceased GB9723216D0 (en) 1997-11-03 1997-11-03 Method of and apparatus for correcting a timing error in a sampled data system

Country Status (3)

Country Link
FR (1) FR2770710A1 (en)
GB (2) GB9723216D0 (en)
WO (1) WO1999023780A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107971B (en) 1999-12-02 2001-10-31 Tellabs Oy Method and arrangement for synchronizing a receiver to a quadrature-amplitude modulated signal
AU2002349638A1 (en) * 2001-11-20 2003-06-10 Sanyo Electric Co., Ltd. Radio reception apparatus, symbol timing control method, and symbol timing control program

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283811A (en) * 1991-09-03 1994-02-01 General Electric Company Decision feedback equalization for digital cellular radio
US5517524A (en) * 1993-03-01 1996-05-14 Sony Corporation Method of and apparatus for automatic equalizing filter
WO1996034481A2 (en) * 1995-04-28 1996-10-31 Ionica International Limited Adaptive filter for use in a tdm/tdma receiver
EP0783206A2 (en) * 1996-01-02 1997-07-09 Motorola, Inc. Data synchronizer lock detector and method of operation thereof
US5706314A (en) * 1995-01-04 1998-01-06 Hughes Electronics Joint maximum likelihood channel and timing error estimation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283811A (en) * 1991-09-03 1994-02-01 General Electric Company Decision feedback equalization for digital cellular radio
US5517524A (en) * 1993-03-01 1996-05-14 Sony Corporation Method of and apparatus for automatic equalizing filter
US5706314A (en) * 1995-01-04 1998-01-06 Hughes Electronics Joint maximum likelihood channel and timing error estimation
WO1996034481A2 (en) * 1995-04-28 1996-10-31 Ionica International Limited Adaptive filter for use in a tdm/tdma receiver
EP0783206A2 (en) * 1996-01-02 1997-07-09 Motorola, Inc. Data synchronizer lock detector and method of operation thereof

Also Published As

Publication number Publication date
FR2770710A1 (en) 1999-05-07
GB9824039D0 (en) 1998-12-30
GB2333212A (en) 1999-07-14
WO1999023780A1 (en) 1999-05-14
GB9723216D0 (en) 1998-01-07

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Legal Events

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

Effective date: 20101103