HK1052597B - 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
HK1052597B
HK1052597B HK03104754.5A HK03104754A HK1052597B HK 1052597 B HK1052597 B HK 1052597B HK 03104754 A HK03104754 A HK 03104754A HK 1052597 B HK1052597 B HK 1052597B
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HK
Hong Kong
Prior art keywords
signal
circuit
log
ratio
pilot
Prior art date
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HK03104754.5A
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English (en)
Chinese (zh)
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HK1052597A1 (en
Inventor
林福云
林福雲
N‧T‧辛迪胡沙雅纳
E‧A‧S‧埃斯特韦斯
N‧T‧辛迪胡沙雅納
E‧A‧S‧埃斯特韋斯
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高通股份有限公司
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Publication of HK1052597A1 publication Critical patent/HK1052597A1/xx
Publication of HK1052597B publication Critical patent/HK1052597B/zh

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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)
HK03104754.5A 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 HK1052597B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/311,793 1999-05-13
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
PCT/US2000/013418 WO2000070836A1 (en) 1999-05-13 2000-05-15 System and method for the demodulation of turbo-encoded signals via pilot assisted coherent demodulation

Publications (2)

Publication Number Publication Date
HK1052597A1 HK1052597A1 (en) 2003-09-19
HK1052597B true HK1052597B (zh) 2006-11-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK03104754.5A HK1052597B (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

Country Status (9)

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

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Also Published As

Publication number Publication date
KR20020089127A (ko) 2002-11-29
US6975669B2 (en) 2005-12-13
US6377607B1 (en) 2002-04-23
HK1052597A1 (en) 2003-09-19
JP2003520463A (ja) 2003-07-02
CN1251461C (zh) 2006-04-12
WO2000070836A1 (en) 2000-11-23
BR0010475A (pt) 2003-07-15
EP1177662A1 (en) 2002-02-06
CN1413403A (zh) 2003-04-23
US20020097785A1 (en) 2002-07-25
JP2011050064A (ja) 2011-03-10
KR100715917B1 (ko) 2007-05-08
AU4852300A (en) 2000-12-05

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110515