WO2004057761A3 - Method and device for soft decoding a sequence - Google Patents

Method and device for soft decoding a sequence Download PDF

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Publication number
WO2004057761A3
WO2004057761A3 PCT/DE2003/004166 DE0304166W WO2004057761A3 WO 2004057761 A3 WO2004057761 A3 WO 2004057761A3 DE 0304166 W DE0304166 W DE 0304166W WO 2004057761 A3 WO2004057761 A3 WO 2004057761A3
Authority
WO
WIPO (PCT)
Prior art keywords
soft decoding
sequence
user data
data bits
bit
Prior art date
Application number
PCT/DE2003/004166
Other languages
German (de)
French (fr)
Other versions
WO2004057761A2 (en
Inventor
David Meintrup
Original Assignee
Ingbuero Ludwig Schaeffler
David Meintrup
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 Ingbuero Ludwig Schaeffler, David Meintrup filed Critical Ingbuero Ludwig Schaeffler
Priority to AU2003298067A priority Critical patent/AU2003298067A1/en
Publication of WO2004057761A2 publication Critical patent/WO2004057761A2/en
Publication of WO2004057761A3 publication Critical patent/WO2004057761A3/en

Links

Classifications

    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

The invention relates to a method for soft decoding a sequence of user data bits, which are modulated by means of a modulation comprising m values per user data signal, whereby m 3 2. According to the invention, the soft decoding of the user data bits is carried out bit-by-bit.
PCT/DE2003/004166 2002-12-20 2003-12-17 Method and device for soft decoding a sequence WO2004057761A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003298067A AU2003298067A1 (en) 2002-12-20 2003-12-17 Method and device for soft decoding a sequence

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002160348 DE10260348A1 (en) 2002-12-20 2002-12-20 Method and device for soft-decoding a sequence of useful data bits, signal receiving and decoding device and telecommunication device
DE10260348.0 2002-12-20

Publications (2)

Publication Number Publication Date
WO2004057761A2 WO2004057761A2 (en) 2004-07-08
WO2004057761A3 true WO2004057761A3 (en) 2004-09-16

Family

ID=32519266

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/004166 WO2004057761A2 (en) 2002-12-20 2003-12-17 Method and device for soft decoding a sequence

Country Status (3)

Country Link
AU (1) AU2003298067A1 (en)
DE (1) DE10260348A1 (en)
WO (1) WO2004057761A2 (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19912825C1 (en) * 1999-03-22 2000-08-10 Siemens Ag Method of detecting data symbols for mobile radio systems, e.g. GSM systems
EP1195908A2 (en) * 2000-10-06 2002-04-10 Texas Instruments Incorporated Method and apparatus for processing modulation symbols for soft input decoders
US20020131515A1 (en) * 2001-01-18 2002-09-19 Motorola, Inc. Soft-decision metric generation for higher order modulation
EP1246419A1 (en) * 2001-03-12 2002-10-02 Motorola, Inc. Method and apparatus for calculating bit log-likelihood ratios for qam signals
WO2002098090A1 (en) * 2001-05-24 2002-12-05 Cambridge Silicon Radio Limited Method and apparatus for soft information generation
GB2379143A (en) * 2001-08-23 2003-02-26 Korea Electronics Telecomm Soft bit value calculation for bit decoding
WO2003075528A1 (en) * 2002-03-07 2003-09-12 Telefonaktiebolaget L M Ericsson (Publ) Soft value calculation for multilevel signals
EP1349336A2 (en) * 2002-03-30 2003-10-01 Broadcom Corporation Provision of soft decisions which depend on cluster variance
US20040096007A1 (en) * 2000-10-16 2004-05-20 Volker Aue Method for generating soft bit information from gray coded signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100800885B1 (en) * 2001-08-13 2008-02-04 삼성전자주식회사 Demodulation apparatus and method for communication using multi level modulation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19912825C1 (en) * 1999-03-22 2000-08-10 Siemens Ag Method of detecting data symbols for mobile radio systems, e.g. GSM systems
EP1195908A2 (en) * 2000-10-06 2002-04-10 Texas Instruments Incorporated Method and apparatus for processing modulation symbols for soft input decoders
US20040096007A1 (en) * 2000-10-16 2004-05-20 Volker Aue Method for generating soft bit information from gray coded signals
US20020131515A1 (en) * 2001-01-18 2002-09-19 Motorola, Inc. Soft-decision metric generation for higher order modulation
EP1246419A1 (en) * 2001-03-12 2002-10-02 Motorola, Inc. Method and apparatus for calculating bit log-likelihood ratios for qam signals
WO2002098090A1 (en) * 2001-05-24 2002-12-05 Cambridge Silicon Radio Limited Method and apparatus for soft information generation
GB2379143A (en) * 2001-08-23 2003-02-26 Korea Electronics Telecomm Soft bit value calculation for bit decoding
WO2003075528A1 (en) * 2002-03-07 2003-09-12 Telefonaktiebolaget L M Ericsson (Publ) Soft value calculation for multilevel signals
EP1349336A2 (en) * 2002-03-30 2003-10-01 Broadcom Corporation Provision of soft decisions which depend on cluster variance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VITERBI A J: "AN INTUITIVE JUSITIFICATION AND A SIMPLIFIED IMPLEMENTATION OF THE MAP DECODER FOR CONVOLUTIONAL CODES", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, vol. 16, no. 2, 1 February 1998 (1998-02-01), New York US, pages 260 - 264, XP000741780 *

Also Published As

Publication number Publication date
AU2003298067A1 (en) 2004-07-14
AU2003298067A8 (en) 2004-07-14
WO2004057761A2 (en) 2004-07-08
DE10260348A1 (en) 2004-07-15

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