CN101305575B - 无线通信***中归一化到信道解码器的输入度量的方法和装置 - Google Patents

无线通信***中归一化到信道解码器的输入度量的方法和装置 Download PDF

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Publication number
CN101305575B
CN101305575B CN2006800421146A CN200680042114A CN101305575B CN 101305575 B CN101305575 B CN 101305575B CN 2006800421146 A CN2006800421146 A CN 2006800421146A CN 200680042114 A CN200680042114 A CN 200680042114A CN 101305575 B CN101305575 B CN 101305575B
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China
Prior art keywords
normalization
llr
value
noise
soft metric
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Expired - Fee Related
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CN2006800421146A
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Chinese (zh)
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CN101305575A (zh
Inventor
金相晓
金潣龟
具永谟
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Priority claimed from PCT/KR2006/004708 external-priority patent/WO2007055533A1/en
Publication of CN101305575A publication Critical patent/CN101305575A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
CN2006800421146A 2005-11-11 2006-11-10 无线通信***中归一化到信道解码器的输入度量的方法和装置 Expired - Fee Related CN101305575B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20050108264 2005-11-11
KR10-2005-0108264 2005-11-11
KR10-2006-0022387 2006-03-09
KR20060022387A KR100856212B1 (ko) 2005-11-11 2006-03-09 무선통신 시스템에서 채널 복호기로 입력되는 메트릭의정규화 방법 및 장치
PCT/KR2006/004708 WO2007055533A1 (en) 2005-11-11 2006-11-10 Method and apparatus for normalizing input metric to a channel decoder in a wireless communication system

Publications (2)

Publication Number Publication Date
CN101305575A CN101305575A (zh) 2008-11-12
CN101305575B true CN101305575B (zh) 2012-11-14

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JP (1) JP4763057B2 (ko)
KR (1) KR100856212B1 (ko)
CN (1) CN101305575B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013501395A (ja) * 2009-07-31 2013-01-10 ソ、ホン−ソク 直交周波数分割多重方式によるチャネル状態情報を適用して受信信号を処理する受信信号処理方法
JP5326976B2 (ja) 2009-09-30 2013-10-30 富士通株式会社 無線通信装置、誤り訂正方法及び誤り訂正プログラム
CN102208964A (zh) * 2011-05-25 2011-10-05 中兴通讯股份有限公司 一种数字***中对数似然比的实现***及方法
US8819515B2 (en) * 2011-12-30 2014-08-26 Lsi Corporation Mixed domain FFT-based non-binary LDPC decoder
JP5845127B2 (ja) * 2012-03-29 2016-01-20 日本放送協会 受信装置及びプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429427A (zh) * 2000-03-08 2003-07-09 高通股份有限公司 用于计算Turbo解码器的软判决输入度量的方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3674111B2 (ja) * 1995-10-25 2005-07-20 三菱電機株式会社 データ伝送装置
JP3159672B2 (ja) * 1997-12-26 2001-04-23 株式会社次世代デジタルテレビジョン放送システム研究所 Ｐｓｋの軟判定方法及び受信装置
KR100557177B1 (ko) * 1998-04-04 2006-07-21 삼성전자주식회사 적응 채널 부호/복호화 방법 및 그 부호/복호 장치
SG97926A1 (en) * 2000-08-29 2003-08-20 Oki Techno Ct Singapore Pte Soft-in soft-out decoder used for an iterative error correction decoder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429427A (zh) * 2000-03-08 2003-07-09 高通股份有限公司 用于计算Turbo解码器的软判决输入度量的方法和装置

Also Published As

Publication number Publication date
CN101305575A (zh) 2008-11-12
KR20070050750A (ko) 2007-05-16
JP2009513087A (ja) 2009-03-26
KR100856212B1 (ko) 2008-09-03
JP4763057B2 (ja) 2011-08-31

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Granted publication date: 20121114

Termination date: 20191110