ATE293330T1 - 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
ATE293330T1
ATE293330T1 AT99973201T AT99973201T ATE293330T1 AT E293330 T1 ATE293330 T1 AT E293330T1 AT 99973201 T AT99973201 T AT 99973201T AT 99973201 T AT99973201 T AT 99973201T AT E293330 T1 ATE293330 T1 AT E293330T1
Authority
AT
Austria
Prior art keywords
demodulation
encoded
bits
methods
systems
Prior art date
Application number
AT99973201T
Other languages
English (en)
Inventor
Kumar Balachandran
Ali Khayrallah
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 ATE293330T1 publication Critical patent/ATE293330T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03171Arrangements involving maximum a posteriori probability [MAP] detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0047Decoding adapted to other signal detection operation
    • H04L1/005Iterative decoding, including iteration between signal detection and decoding operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/007Unequal error protection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03203Trellis search techniques
    • H04L25/03216Trellis search techniques using the M-algorithm
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03248Arrangements for operating in conjunction with other apparatus
    • H04L25/03273Arrangements 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)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
AT99973201T 1998-11-30 1999-10-15 Systeme und methoden zum empfangen eines modulierten signals, welches kodierte und nicht kordierte bits enthält, durch mehrdurchgangsdemodulation ATE293330T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ATE293330T1 true ATE293330T1 (de) 2005-04-15

Family

ID=22746700

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99973201T ATE293330T1 (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)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN100452659C (zh) * 1999-03-01 2009-01-14 富士通株式会社 加速解码器
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)
US6901120B2 (en) * 2000-12-06 2005-05-31 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for iterative parameter estimation
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
US7558310B1 (en) 2001-01-09 2009-07-07 Urbain Alfred von der Embse Multi-scale code division frequency/wavelet multiple access
US7394792B1 (en) 2002-10-08 2008-07-01 Urbain A. von der Embse Multi-scale CDMA
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
US6366624B1 (en) 2002-04-02
CN1205791C (zh) 2005-06-08
EP1135909A1 (de) 2001-09-26
AU1446400A (en) 2000-06-19
BR9915780A (pt) 2001-08-14
JP2002532007A (ja) 2002-09-24
JP4339521B2 (ja) 2009-10-07
CN1333969A (zh) 2002-01-30
DE69924752D1 (de) 2005-05-19
DE69924752T2 (de) 2005-10-06
EP1135909B1 (de) 2005-04-13
WO2000033527A1 (en) 2000-06-08

Similar Documents

Publication Publication Date Title
ATE293330T1 (de) Systeme und methoden zum empfangen eines modulierten signals, welches kodierte und nicht kordierte bits enthält, durch mehrdurchgangsdemodulation
Fingscheidt et al. Softbit speech decoding: A new approach to error concealment
TW343410B (en) Method and apparatus for detecting communication signals having unequal error protection
DE60043732D1 (de) Verfahren und vorrichtung zur detektierung von null-raten-rahmen in einem kommunikationssystem
WO2003047118A3 (en) Method and apparatus for determining the log-likelihood ratio with precoding
RU98123569A (ru) Передача данных сигнализации в системе беспроводной связи с регулируемой скоростью
BR9506363A (pt) Processo de transmissão de recepção de dados digitais aparelho decodificador e demodulador e aparelho receptor para decodificar biocos de simbolos de dados codificados e interligados
US4881245A (en) Improved signalling method and apparatus
WO2000035137A8 (en) Methods and apparatus for decoding variably-coded signals based on prior communication
US6097716A (en) Rate detection for multi-rate communications
MY133314A (en) Communication system and method using signal to noise ratio estimation for scaling in processing received wireless communications signals
SE9403386D0 (sv) Sätt och anordning vid kommunikationssystem
FI990834A0 (fi) Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi
DE60132561D1 (de) Verfahren und vorrichtung für kanalschäztung
EP1198100A3 (de) Kanalkodierung mit versteckter Punktierung für Teil-Band störbehaftete Kanäle
WO2003096590A3 (en) Method and system of channel analysis and carrier selection in ofdm and multi-carrier systems
DE50001182D1 (de) Verfahren zum erzeugen von zuverlässigkeitsinformationen für die kanaldecodierung in einem funkempfänger sowie entsprechender funkempfänger
ATE263455T1 (de) Verfahren zur decodierung eines datensignals
JP4195759B2 (ja) インターホン伝送方式
Wong et al. Estimation of unreliable packets in subband coding of speech
JP3015680B2 (ja) バイフェ−ズbpsk信号の復号回路
JPS60260255A (ja) エンベロ−プ伝送方式
KR100277800B1 (ko) 위성통신시스템에서의 잡음부가기능을 갖는 채널모뎀 및 그 잡음부가방법
JPS59186452A (ja) 位相連続fsk信号の復調装置
HOLBOROW Selecting codes for communication channels(coding additive white Gaussian noise channels)[Ph. D. Thesis]

Legal Events

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