DE69924752D1 - Systeme und methoden zum empfangen eines modulierten signals, welches kodierte und nicht kordierte bits enthält, durch mehrdurchgangsdemodulation - Google Patents

Systeme und methoden zum empfangen eines modulierten signals, welches kodierte und nicht kordierte bits enthält, durch mehrdurchgangsdemodulation

Info

Publication number
DE69924752D1
DE69924752D1 DE69924752T DE69924752T DE69924752D1 DE 69924752 D1 DE69924752 D1 DE 69924752D1 DE 69924752 T DE69924752 T DE 69924752T DE 69924752 T DE69924752 T DE 69924752T DE 69924752 D1 DE69924752 D1 DE 69924752D1
Authority
DE
Germany
Prior art keywords
bits
demodulation
encoded
methods
systems
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 - Lifetime
Application number
DE69924752T
Other languages
English (en)
Other versions
DE69924752T2 (de
Inventor
Kumar Balachandran
Ali Khayrallah
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69924752D1 publication Critical patent/DE69924752D1/de
Publication of DE69924752T2 publication Critical patent/DE69924752T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03171—Arrangements involving maximum a posteriori probability [MAP] detection
    • 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
    • H04L1/007—Unequal error protection
    • 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
    • H04L25/03216—Trellis search techniques using the M-algorithm
    • 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
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03273—Arrangements for operating in conjunction with other apparatus with carrier recovery circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE69924752T 1998-11-30 1999-10-15 Systeme und methoden zum empfangen eines modulierten signals, welches kodierte und nicht kordierte bits enthält, durch mehrdurchgangsdemodulation Expired - Lifetime DE69924752T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201651 1994-02-25
US09/201,651 US6366624B1 (en) 1998-11-30 1998-11-30 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
PCT/US1999/024170 WO2000033527A1 (en) 1998-11-30 1999-10-15 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation

Publications (2)

Publication Number Publication Date
DE69924752D1 true DE69924752D1 (de) 2005-05-19
DE69924752T2 DE69924752T2 (de) 2005-10-06

Family

ID=22746700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924752T Expired - Lifetime DE69924752T2 (de) 1998-11-30 1999-10-15 Systeme und methoden zum empfangen eines modulierten signals, welches kodierte und nicht kordierte bits enthält, durch mehrdurchgangsdemodulation

Country Status (9)

Country Link
US (1) US6366624B1 (de)
EP (1) EP1135909B1 (de)
JP (1) JP4339521B2 (de)
CN (1) CN1205791C (de)
AT (1) ATE293330T1 (de)
AU (1) AU1446400A (de)
BR (1) BR9915780A (de)
DE (1) DE69924752T2 (de)
WO (1) WO2000033527A1 (de)

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JP3239870B2 (ja) * 1998-12-28 2001-12-17 日本電気株式会社 データ誤り訂正システム
EP1160989A4 (de) * 1999-03-01 2005-10-19 Fujitsu Ltd Turbodekodierungsvorrichtung
EP1085660A1 (de) * 1999-09-15 2001-03-21 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Turbokodierer mit paralleller Ausführungsform
US6594793B1 (en) * 2000-09-08 2003-07-15 Ericsson Inc. Methods and systems for multiplexing and decoding variable length messages in digital communications systems
US6977974B1 (en) * 2000-11-20 2005-12-20 At&T Corp. De-modulation of MOK(M-ary orthogonal modulation)
US6611795B2 (en) * 2000-12-06 2003-08-26 Motorola, Inc. Apparatus and method for providing adaptive forward error correction utilizing the error vector magnitude metric
US6901120B2 (en) * 2000-12-06 2005-05-31 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for iterative parameter estimation
US7394792B1 (en) 2002-10-08 2008-07-01 Urbain A. von der Embse Multi-scale CDMA
US7558310B1 (en) 2001-01-09 2009-07-07 Urbain Alfred von der Embse Multi-scale code division frequency/wavelet multiple access
US6789225B2 (en) * 2001-07-12 2004-09-07 Sony Corporation Bit error position estimation in data decoder
KR100487182B1 (ko) * 2001-12-01 2005-05-03 삼성전자주식회사 통신시스템의 부호화/복호화 장치 및 방법
US6826235B2 (en) * 2002-01-04 2004-11-30 Itran Communications Ltd. Robust communications system utilizing repetition code and cumulative decoder associated therewith
JP2003203435A (ja) * 2002-01-09 2003-07-18 Fujitsu Ltd データ再生装置
US7107509B2 (en) * 2002-08-30 2006-09-12 Lucent Technologies Inc. Higher radix Log MAP processor
US7224743B2 (en) * 2003-04-24 2007-05-29 Northrop Grumman Corporation Efficient decoding of trellis coded modulation waveforms
US8527855B2 (en) * 2004-08-16 2013-09-03 Koninklijke Philips N.V. Interleaving and parsing for MIMO-OFDM systems
US7613228B2 (en) * 2005-08-10 2009-11-03 Bae Systems Information And Electronic Systems Integration Inc. M-Algorithm multiuser detector with correlation based pruning
US7310391B2 (en) * 2005-08-12 2007-12-18 At&T Corp. De-modulation of MOK(M-ary orthogonal modulation)
US7937643B1 (en) * 2006-09-18 2011-05-03 Mediatek Inc. Mobile communication device and data reception method
EP2051387A1 (de) 2007-10-15 2009-04-22 CoreOptics, Inc., c/o The Corporation Trust Center Empfangsgerät, Verschachtelungs- und Entschachtelungsschaltung sowie entsprechendes Verfahren
US8000411B2 (en) * 2008-01-04 2011-08-16 Qualcomm Incorporated Decoding scheme using multiple hypotheses about transmitted messages
US8331510B2 (en) * 2009-04-06 2012-12-11 Telefonaktiebolaget L M Ericsson (Publ) Receiver and method for two-stage equalization with sequential search
US8527858B2 (en) * 2011-10-28 2013-09-03 Lsi Corporation Systems and methods for selective decode algorithm modification
US8443271B1 (en) * 2011-10-28 2013-05-14 Lsi Corporation Systems and methods for dual process data decoding
JP2017175352A (ja) * 2016-03-23 2017-09-28 パナソニック株式会社 ターボ等化装置およびターボ等化方法
EP3337070B1 (de) * 2016-12-16 2019-10-23 Nxp B.V. Demodulation und decodierung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR802656A (fr) 1935-05-29 1936-09-10 Vêtement, masque ou autre habillage de protection contre les gaz toxiques, asphyxiants et autres
CA2131674A1 (en) * 1993-09-10 1995-03-11 Kalyan Ganesan High performance error control coding in channel encoders and decoders
US5502713A (en) * 1993-12-07 1996-03-26 Telefonaktiebolaget Lm Ericsson Soft error concealment in a TDMA radio system
US5673291A (en) 1994-09-14 1997-09-30 Ericsson Inc. Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
SE504396C2 (sv) * 1994-04-28 1997-01-27 Ericsson Telefon Ab L M Detektering av felaktigt mottagna dataramar i ett kommunikationssystem
DE19547018C2 (de) 1995-12-15 1998-12-10 Siemens Ag Verfahren zur Verbesserung der Bitfehlerrate bei Übertragungssystemen
US5790596A (en) * 1996-03-15 1998-08-04 Motorola, Inc. Radiotelephone communication unit displaying chronological information
FR2747870B1 (fr) * 1996-04-19 1998-11-06 Wavecom Sa Signal numerique a blocs de reference multiples pour l'estimation de canal, procedes d'estimation de canal et recepteurs correspondants
US5983384A (en) 1997-04-21 1999-11-09 General Electric Company Turbo-coding with staged data transmission and processing
US6084926A (en) * 1997-12-08 2000-07-04 Ericsson Inc. Method and system for demodulating radio signals

Also Published As

Publication number Publication date
DE69924752T2 (de) 2005-10-06
US6366624B1 (en) 2002-04-02
WO2000033527A1 (en) 2000-06-08
EP1135909B1 (de) 2005-04-13
CN1333969A (zh) 2002-01-30
JP2002532007A (ja) 2002-09-24
EP1135909A1 (de) 2001-09-26
JP4339521B2 (ja) 2009-10-07
AU1446400A (en) 2000-06-19
BR9915780A (pt) 2001-08-14
ATE293330T1 (de) 2005-04-15
CN1205791C (zh) 2005-06-08

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON INC., PLANO, TEX., US

8364 No opposition during term of opposition