AU2002218138A1 - Method for generating soft bit information from gray coded signals - Google Patents

Method for generating soft bit information from gray coded signals

Info

Publication number
AU2002218138A1
AU2002218138A1 AU2002218138A AU1813802A AU2002218138A1 AU 2002218138 A1 AU2002218138 A1 AU 2002218138A1 AU 2002218138 A AU2002218138 A AU 2002218138A AU 1813802 A AU1813802 A AU 1813802A AU 2002218138 A1 AU2002218138 A1 AU 2002218138A1
Authority
AU
Australia
Prior art keywords
bit information
coded signals
soft bit
gray coded
generating soft
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.)
Abandoned
Application number
AU2002218138A
Inventor
Volker Aue
Rene Nuessgen
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.)
NXP Semiconductors Germany GmbH
Original Assignee
Systemonic AG
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 Systemonic AG filed Critical Systemonic AG
Publication of AU2002218138A1 publication Critical patent/AU2002218138A1/en
Abandoned legal-status Critical Current

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
AU2002218138A 2000-10-16 2001-10-15 Method for generating soft bit information from gray coded signals Abandoned AU2002218138A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10051283.6 2000-10-16
DE10051283 2000-10-16
PCT/DE2001/003917 WO2002033919A2 (en) 2000-10-16 2001-10-15 Method for generating soft bit information from gray coded signals

Publications (1)

Publication Number Publication Date
AU2002218138A1 true AU2002218138A1 (en) 2002-04-29

Family

ID=7659994

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002218138A Abandoned AU2002218138A1 (en) 2000-10-16 2001-10-15 Method for generating soft bit information from gray coded signals

Country Status (6)

Country Link
US (1) US20040096007A1 (en)
EP (1) EP1329070A2 (en)
JP (1) JP2004512742A (en)
AU (1) AU2002218138A1 (en)
DE (1) DE10194477D2 (en)
WO (1) WO2002033919A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030017886A (en) * 2001-08-23 2003-03-04 한국전자통신연구원 Method for calculating soft bit values for decoding per a bit unit and communication system using the same
DE10260348A1 (en) * 2002-12-20 2004-07-15 Ingenieurbüro Ludwig Schäffler Method and device for soft-decoding a sequence of useful data bits, signal receiving and decoding device and telecommunication device
JP4452716B2 (en) * 2003-06-23 2010-04-21 ソ、ホン−ソク Demodulation method and demodulator using soft decision of quadrature amplitude modulation
US7154966B2 (en) 2003-06-30 2006-12-26 Telefonaktiebolaget L M Ericsson (Publ) Method and system for M-QAM detection in communication systems
US7502426B2 (en) * 2003-09-09 2009-03-10 Interdigital Technology Corporation Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals
US20060029162A1 (en) * 2004-08-06 2006-02-09 Stmicroelectronics, Inc. Modular multi-bit symbol demapper
TWI387274B (en) * 2005-12-07 2013-02-21 Hong-Seok Seo A demodulation method using soft decision for quadrature amplitude modulation and apparatus thereof
US7844879B2 (en) * 2006-01-20 2010-11-30 Marvell World Trade Ltd. Method and system for error correction in flash memory
US7912140B2 (en) * 2007-03-26 2011-03-22 Lantiq Israel Ltd. Reducing computational complexity in maximum likelihood MIMO OFDM decoder
US8340202B2 (en) 2010-03-11 2012-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient soft modulation for gray-mapped QAM symbols

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078626A (en) * 1997-09-24 2000-06-20 Ericsson Inc. Methods and systems for communicating information using separable modulation constellations
DE19912825C1 (en) * 1999-03-22 2000-08-10 Siemens Ag Method of detecting data symbols for mobile radio systems, e.g. GSM systems
US6977972B1 (en) * 2000-07-12 2005-12-20 Sharp Laboratories Of America, Inc. Method of hybrid soft/hard decision demodulation of signals with multilevel modulation
CN1418421A (en) * 2001-01-16 2003-05-14 皇家菲利浦电子有限公司 Bit interleaved coded modulation (BICM) mapping

Also Published As

Publication number Publication date
WO2002033919A3 (en) 2002-08-29
JP2004512742A (en) 2004-04-22
EP1329070A2 (en) 2003-07-23
WO2002033919A2 (en) 2002-04-25
DE10194477D2 (en) 2003-10-30
US20040096007A1 (en) 2004-05-20

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