GB2426419B - Signal processing systems - Google Patents

Signal processing systems

Info

Publication number
GB2426419B
GB2426419B GB0510127A GB0510127A GB2426419B GB 2426419 B GB2426419 B GB 2426419B GB 0510127 A GB0510127 A GB 0510127A GB 0510127 A GB0510127 A GB 0510127A GB 2426419 B GB2426419 B GB 2426419B
Authority
GB
United Kingdom
Prior art keywords
signal processing
processing systems
systems
signal
processing
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
GB0510127A
Other versions
GB0510127D0 (en
GB2426419A (en
Inventor
David Milford
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0510127A priority Critical patent/GB2426419B/en
Publication of GB0510127D0 publication Critical patent/GB0510127D0/en
Publication of GB2426419A publication Critical patent/GB2426419A/en
Application granted granted Critical
Publication of GB2426419B publication Critical patent/GB2426419B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03184—Details concerning the metric
    • H04L25/03191—Details concerning the metric in which the receiver makes a selection between different metrics
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03242—Methods involving sphere decoding
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03337—Arrangements involving per-survivor processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03458—Lattice
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03312—Arrangements specific to the provision of output signals
    • H04L25/03318—Provision of soft decisions
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
GB0510127A 2005-05-18 2005-05-18 Signal processing systems Expired - Fee Related GB2426419B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0510127A GB2426419B (en) 2005-05-18 2005-05-18 Signal processing systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0510127A GB2426419B (en) 2005-05-18 2005-05-18 Signal processing systems

Publications (3)

Publication Number Publication Date
GB0510127D0 GB0510127D0 (en) 2005-06-22
GB2426419A GB2426419A (en) 2006-11-22
GB2426419B true GB2426419B (en) 2007-04-04

Family

ID=34708367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0510127A Expired - Fee Related GB2426419B (en) 2005-05-18 2005-05-18 Signal processing systems

Country Status (1)

Country Link
GB (1) GB2426419B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442785B (en) * 2006-10-10 2008-12-24 Toshiba Res Europ Ltd Wireless communications apparatus
EP2087676B1 (en) 2006-11-24 2010-12-22 Nxp B.V. Method and arrangement for generating soft bit information in a receiver of a multiple antenna system
WO2010015989A2 (en) * 2008-08-05 2010-02-11 Nxp B.V. Method and arrangement for generating soft bit information in a receiver of a multiple antenna system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020037059A1 (en) * 2000-08-18 2002-03-28 Texas Instruments Incorporated Joint equalization and decoding using a search-based decoding algorithm
EP1376921A1 (en) * 2002-06-24 2004-01-02 Mitsubishi Electric Information Technology Centre Europe B.V. MIMO telecommunication system with accelerated sphere decoding
EP1460813A1 (en) * 2003-03-15 2004-09-22 Lucent Technologies Inc. Spherical decoder for wireless communications
EP1492241A1 (en) * 2003-06-26 2004-12-29 Mitsubishi Electric Information Technology Centre Europe B.V. Improved sphere decoding of symbols transmitted in a telecommunication system
US20050050072A1 (en) * 2003-09-03 2005-03-03 Lucent Technologies, Inc. Highly parallel tree search architecture for multi-user detection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020037059A1 (en) * 2000-08-18 2002-03-28 Texas Instruments Incorporated Joint equalization and decoding using a search-based decoding algorithm
EP1376921A1 (en) * 2002-06-24 2004-01-02 Mitsubishi Electric Information Technology Centre Europe B.V. MIMO telecommunication system with accelerated sphere decoding
EP1460813A1 (en) * 2003-03-15 2004-09-22 Lucent Technologies Inc. Spherical decoder for wireless communications
EP1492241A1 (en) * 2003-06-26 2004-12-29 Mitsubishi Electric Information Technology Centre Europe B.V. Improved sphere decoding of symbols transmitted in a telecommunication system
US20050050072A1 (en) * 2003-09-03 2005-03-03 Lucent Technologies, Inc. Highly parallel tree search architecture for multi-user detection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
http://tx.technion.ac.il/ïamiw/papers/spawc2003.pdf, "Efficient implementation of sphere demodulation", Wiesel, A. et al, Dept. of signal theory and communications, Universitat Politecnica de Catalunya, 31/03/2003 *

Also Published As

Publication number Publication date
GB0510127D0 (en) 2005-06-22
GB2426419A (en) 2006-11-22

Similar Documents

Publication Publication Date Title
GB0504500D0 (en) Signal processing arrangement
GB2443136B (en) Information processing system
EP1974199A4 (en) Detection system
EP1908496A4 (en) Position detection system
EP1906705A4 (en) Signal processing device
EP1932463A4 (en) Position detection system
GB0605383D0 (en) Processing system
EP1929354A4 (en) Energy signal processing system
GB2445162B (en) Geophysical signal processing
ZA200801561B (en) Interferometric signal processing
GB2424712B (en) Fluid-gauging systems
GB0510916D0 (en) Detection system
EP1899203A4 (en) Alarm system
GB2413227B (en) Signal processing system
GB0515110D0 (en) Interrogation system
GB0506337D0 (en) Processing system
GB2426419B (en) Signal processing systems
TWI365636B (en) Reconfigurable signal processing scheme
GB2442362B (en) Signal processing systems
GB2442361B (en) Signal processing systems
GB0604353D0 (en) Data processing system
GB0523220D0 (en) Detection system
GB0514840D0 (en) Detection systems
GB0524769D0 (en) Detection systems
GB0517683D0 (en) Display processing systems

Legal Events

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

Effective date: 20140518