CN1251461C - 通过导频辅助相干解调的turbo编码信号解调系统及方法 - Google Patents

通过导频辅助相干解调的turbo编码信号解调系统及方法 Download PDF

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Publication number
CN1251461C
CN1251461C CNB008125945A CN00812594A CN1251461C CN 1251461 C CN1251461 C CN 1251461C CN B008125945 A CNB008125945 A CN B008125945A CN 00812594 A CN00812594 A CN 00812594A CN 1251461 C CN1251461 C CN 1251461C
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signal
circuit
log
ratio
likelihood
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Expired - Fee Related
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CNB008125945A
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Chinese (zh)
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CN1413403A (zh
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林福云
N·T·辛迪胡沙雅纳
E·A·S·埃斯特韦斯
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6337—Error control coding in combination with channel estimation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/658—Scaling by multiplication or division
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Error Detection And Correction (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
CNB008125945A 1999-05-13 2000-05-15 通过导频辅助相干解调的turbo编码信号解调系统及方法 Expired - Fee Related CN1251461C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/311,793 US6377607B1 (en) 1999-05-13 1999-05-13 System and method for performing accurate demodulation of turbo-encoded signals via pilot assisted coherent demodulation
US09/311,793 1999-05-13

Publications (2)

Publication Number Publication Date
CN1413403A CN1413403A (zh) 2003-04-23
CN1251461C true CN1251461C (zh) 2006-04-12

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CNB008125945A Expired - Fee Related CN1251461C (zh) 1999-05-13 2000-05-15 通过导频辅助相干解调的turbo编码信号解调系统及方法

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US (2) US6377607B1 (https=)
EP (1) EP1177662A1 (https=)
JP (2) JP2003520463A (https=)
KR (1) KR100715917B1 (https=)
CN (1) CN1251461C (https=)
AU (1) AU4852300A (https=)
BR (1) BR0010475A (https=)
HK (1) HK1052597B (https=)
WO (1) WO2000070836A1 (https=)

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US7634173B2 (en) 2001-07-24 2009-12-15 Lg Electronics Inc. Recording medium having data structure for managing reproduction of at least video data representing multiple reproduction paths and recording and reproducing methods and apparatuses
US7636512B2 (en) 2001-06-21 2009-12-22 Lg Electronics Inc. Method and apparatus of recording a multi-channel stream, and a recording medium containing a multi-channel stream recorded by said method
US7643398B2 (en) 2003-03-25 2010-01-05 Lg Electronics Inc. Recording medium having data structure for managing reproduction of data streams recorded thereon and recording and reproducing methods and apparatuses
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US7720356B2 (en) 2002-11-12 2010-05-18 Lg Electronics Inc Recording medium having data structure for managing reproduction of multiple reproduction path video data recorded thereon and recording and reproducing methods and apparatuses
US7769272B2 (en) 2002-11-20 2010-08-03 Lg Electronics Inc. Recording medium having data structure for managing reproduction of at least video data recorded thereon and recording and reproducing methods and apparatuses
US7783160B2 (en) 2002-11-20 2010-08-24 Lg Electronics Inc. Recording medium having data structure for managing reproduction of interleaved multiple reproduction path video data recorded thereon and recording and reproducing methods and apparatuses
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HK1052597A1 (en) 2003-09-19
CN1413403A (zh) 2003-04-23
KR100715917B1 (ko) 2007-05-08
US6975669B2 (en) 2005-12-13
BR0010475A (pt) 2003-07-15
US6377607B1 (en) 2002-04-23
HK1052597B (zh) 2006-11-24
JP2003520463A (ja) 2003-07-02
US20020097785A1 (en) 2002-07-25
KR20020089127A (ko) 2002-11-29
AU4852300A (en) 2000-12-05

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