ATE350826T1 - Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen - Google Patents

Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen

Info

Publication number
ATE350826T1
ATE350826T1 AT02741053T AT02741053T ATE350826T1 AT E350826 T1 ATE350826 T1 AT E350826T1 AT 02741053 T AT02741053 T AT 02741053T AT 02741053 T AT02741053 T AT 02741053T AT E350826 T1 ATE350826 T1 AT E350826T1
Authority
AT
Austria
Prior art keywords
efficient calculation
logarithmic probability
probability ratios
log
bit
Prior art date
Application number
AT02741053T
Other languages
English (en)
Inventor
Allen He
Andrew Prentice
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE350826T1 publication Critical patent/ATE350826T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
AT02741053T 2001-07-12 2002-06-28 Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen ATE350826T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/904,355 US6993098B2 (en) 2001-07-12 2001-07-12 Method and apparatus for efficient calculating distance metric

Publications (1)

Publication Number Publication Date
ATE350826T1 true ATE350826T1 (de) 2007-01-15

Family

ID=25418997

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02741053T ATE350826T1 (de) 2001-07-12 2002-06-28 Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen

Country Status (8)

Country Link
US (1) US6993098B2 (de)
EP (1) EP1410551B1 (de)
JP (1) JP4023613B2 (de)
KR (1) KR100876473B1 (de)
CN (1) CN1326343C (de)
AT (1) ATE350826T1 (de)
DE (1) DE60217352T2 (de)
WO (1) WO2003007529A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60006108T2 (de) * 2000-08-04 2004-05-19 Motorola, Inc., Schaumburg Lineare Approximation des LOG-MAP Algorithmus für Turbodekodierung
DE10247719A1 (de) * 2002-10-12 2004-04-22 Conti Temic Microelectronic Gmbh Verfahren zur Ermittlung des Abstands zwischen zwei Sende-Empfangs-Stationen und Sende-Empfangs-Stationen zur Durchführung des Verfahrens
DE10247718A1 (de) * 2002-10-12 2004-04-22 Conti Temic Microelectronic Gmbh Verfahren zur Ermittlung des Abstands zwischen einer ersten und zweiten Sende-Empfangs-Station
DK1654847T3 (en) 2003-06-23 2017-01-30 Seo Hong-Seok Demodulation method using soft decision for quadrature amplitude modulation and associated apparatus
GB2408901B (en) * 2003-12-05 2006-07-12 Motorola Inc A decoder for a wireless communication device
EP1807988B1 (de) * 2004-11-05 2015-12-09 NVIDIA Technology UK Limited Verfahren zur berechnung von log-likelihood-verhältnissen für kodierte quadratamplituden-modulierte signale
KR100626654B1 (ko) * 2005-06-16 2006-09-25 한국전자통신연구원 연판정 구복호 방법
TWI387274B (zh) * 2005-12-07 2013-02-21 徐洪錫 使用軟性決策用於正交振幅調變之調解變方法及其裝置
KR100706618B1 (ko) 2005-12-09 2007-04-12 한국전자통신연구원 반복 복호기를 위한 고차변조 방식에 적합한 연판정 디매핑방법 및 그를 이용한 오류 정정 장치
WO2008023681A1 (en) 2006-08-22 2008-02-28 Panasonic Corporation Signal separating device an signal separating method
US8023581B2 (en) * 2006-09-19 2011-09-20 Nec Laboratories America, Inc. Max-log receiver for multiple-input multiple-output (MIMO) systems
AU2007214342A1 (en) * 2006-09-20 2008-04-03 Nec Australia Pty Ltd Demodulation method
CN1921366B (zh) * 2006-09-25 2010-07-21 华为技术有限公司 一种编码符号对数似然比的实现方法和装置
US8675771B2 (en) * 2006-09-29 2014-03-18 Nec Corporation Log likelihood ratio arithmetic circuit, transmission apparatus, log likelihood ratio arithmetic method, and program
KR100855019B1 (ko) * 2006-12-28 2008-09-02 포스데이타 주식회사 연판정 정보 생성 시스템 및 방법
GB0805054D0 (en) 2008-03-18 2008-04-16 Cambridge Silicon Radio Ltd Method and apparatus for performing log-likelihood calculations
KR101341611B1 (ko) 2012-05-24 2013-12-13 성균관대학교산학협력단 최대 우도 판정 기반 복호 장치 및 방법, 및 무선 통신 시스템에서 최대 우도 판정을 기반으로 하는 수신 장치 및 방법
GB2499270B (en) 2012-06-07 2014-07-09 Imagination Tech Ltd Efficient demapping of constellations
US10061043B2 (en) * 2013-05-08 2018-08-28 Koninklijke Philips N.V. Apparatus and method for the evaluation of gamma radiation events

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5657354A (en) 1995-05-15 1997-08-12 Thesling, Iii; William H. Planar approximating method for computing the log-likelihood ratio optimal signal metric of each component code decoder in 8-PSK block coded modulation systems
DE69923970T2 (de) * 1999-09-14 2006-04-27 Lucent Technologies Inc. Kanaldecodiereinrichtung und Verfahren zum Kanaldecodieren
US6594318B1 (en) 1999-12-02 2003-07-15 Qualcomm Incorporated Method and apparatus for computing soft decision input metrics to a turbo decoder
US6907084B2 (en) * 2000-10-06 2005-06-14 Texas Instruments Incorporated Method and apparatus for processing modulation symbols for soft input decoders
US6807238B1 (en) * 2001-02-01 2004-10-19 Lsi Logic Corporation Method and apparatus for decoding M-PSK turbo code using new approximation technique
GB2388756A (en) * 2002-05-17 2003-11-19 Hewlett Packard Co Calculating an estimate of bit reliability in a OFDM receiver by multiplication of the channel state modulus

Also Published As

Publication number Publication date
CN1526215A (zh) 2004-09-01
EP1410551B1 (de) 2007-01-03
JP4023613B2 (ja) 2007-12-19
US20030053566A1 (en) 2003-03-20
KR20040016978A (ko) 2004-02-25
EP1410551A1 (de) 2004-04-21
US6993098B2 (en) 2006-01-31
DE60217352T2 (de) 2007-10-25
DE60217352D1 (de) 2007-02-15
KR100876473B1 (ko) 2008-12-31
JP2004522375A (ja) 2004-07-22
CN1326343C (zh) 2007-07-11
WO2003007529A1 (en) 2003-01-23

Similar Documents

Publication Publication Date Title
ATE350826T1 (de) Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen
EP4538856A3 (de) Sprachaufweckverfahren und elektronische vorrichtung
ATE489642T1 (de) Verfahren und vorrichtung zur verarbeitung von satellitensignalen ohne tageszeitinformationen
ATE484758T1 (de) Verfahren und vorrichtung zur zeitfreien verarbeitung von gps-signalen
DE60308691D1 (de) Verfahren und vorrichtung zur durchführung einer signalkorrelation in mehreren auflösungen, zur mehrwegestörungsverminderung
ATE553545T1 (de) Verfahren und vorrichtung zur zuweisung von fingern in einem drahtlosen übertragungssystem
DE60310043D1 (de) Drahtloses kommunikationssystem mit adaptiver schwelle zur zeitsteuerungsabweichungsmessung und -verfahren
DE602004014176D1 (de) Verfahren und vorrichtung zur verwaltung von zeit in einem satellitenpositionsbestimmungssystem
ATE362288T1 (de) Verfahren und anordnungen zur bestimmung der signalabdeckung
DE602004024395D1 (de) Verfahren und vorrichtung zur brownout-erkennung des echtzeittakts (rtc)
ATE542206T1 (de) Verfahren und vorrichtung zur umschaltung von überwachungsmodulen eines elektronischen ortungs- überwachungssystem
ATE456252T1 (de) Verfahren und vorrichtung zur verwaltung von klingeltönen in einem mobilgerät
FR2587137B1 (fr) Systeme de reconnaissance de signal vocal
DE60223422D1 (de) Verfahren und Vorrichtung zur Bereitstellung von Taktinformation in einem drahtlosen Nachrichtenübertragungsnetzwerk
DE60227308D1 (de) System, Verfahren und Vorrichtung zur Bestimmung der Grenze eines Informationselements
DE60206180D1 (de) Verfahren und Vorrichtung zur Bereitstellung von Informationen zu Mobilgeräten auf der Basis von einer Positionsrelation
MY137776A (en) Method and apparatus to detect and decode information
DE60306940D1 (de) Verfahren zur positionsbenachrichtigung
DE60234548D1 (de) Verfahren und Vorrichtung zur Raum-Zeitschätzung von einem oder mehrerer Sendern
DE60214409D1 (de) Verfahren und vorrichtung zur zweiphasen-grundfrequenzdetektion
ATE449472T1 (de) Verfahren zur optimierung von mindestens einer eigenschaft eines satellitensystems und entsprechende vorrichtung
ATE297338T1 (de) Verfahren zur erhöhung des störabstands bei zählpunkten eines achszählsystems
GB0327794D0 (en) Positioning method and apparatus
ATE444498T1 (de) Vorrichtung und verfahren zur gewinnung von positionsinformationen
ATE394838T1 (de) Vorrichtung und verfahren zum bestimmen eines eintreffzeitpunktes einer empfangsfolge

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties