JP4763057B2 - 無線通信システムにおけるチャンネルデコーダに入力されるメトリックの正規化方法及び装置 - Google Patents

無線通信システムにおけるチャンネルデコーダに入力されるメトリックの正規化方法及び装置 Download PDF

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Publication number
JP4763057B2
JP4763057B2 JP2008537609A JP2008537609A JP4763057B2 JP 4763057 B2 JP4763057 B2 JP 4763057B2 JP 2008537609 A JP2008537609 A JP 2008537609A JP 2008537609 A JP2008537609 A JP 2008537609A JP 4763057 B2 JP4763057 B2 JP 4763057B2
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Japan
Prior art keywords
llr
normalization
normalized
soft metric
value
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JP2008537609A
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Japanese (ja)
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JP2009513087A (ja
Inventor
サン−ヒョ・キム
ミン−ゴー・キム
ヨン−モ・グ
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority claimed from PCT/KR2006/004708 external-priority patent/WO2007055533A1/en
Publication of JP2009513087A publication Critical patent/JP2009513087A/ja
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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)
JP2008537609A 2005-11-11 2006-11-10 無線通信システムにおけるチャンネルデコーダに入力されるメトリックの正規化方法及び装置 Expired - Fee Related JP4763057B2 (ja)

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
JP2009513087A JP2009513087A (ja) 2009-03-26
JP4763057B2 true JP4763057B2 (ja) 2011-08-31

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JP2008537609A Expired - Fee Related JP4763057B2 (ja) 2005-11-11 2006-11-10 無線通信システムにおけるチャンネルデコーダに入力されるメトリックの正規化方法及び装置

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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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09121172A (ja) * 1995-10-25 1997-05-06 Mitsubishi Electric Corp データ伝送装置
JPH11196141A (ja) * 1997-12-26 1999-07-21 Jisedai Digital Television Hoso System Kenkyusho Ｐｓｋの軟判定方法及び受信装置
JP2002111519A (ja) * 2000-08-29 2002-04-12 Oki Techno Centre Singapore Pte Ltd 繰り返し誤り訂正復号装置に用いられる軟入力軟出力復号器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100557177B1 (ko) * 1998-04-04 2006-07-21 삼성전자주식회사 적응 채널 부호/복호화 방법 및 그 부호/복호 장치
US6594318B1 (en) * 1999-12-02 2003-07-15 Qualcomm Incorporated Method and apparatus for computing soft decision input metrics to a turbo decoder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09121172A (ja) * 1995-10-25 1997-05-06 Mitsubishi Electric Corp データ伝送装置
JPH11196141A (ja) * 1997-12-26 1999-07-21 Jisedai Digital Television Hoso System Kenkyusho Ｐｓｋの軟判定方法及び受信装置
JP2002111519A (ja) * 2000-08-29 2002-04-12 Oki Techno Centre Singapore Pte Ltd 繰り返し誤り訂正復号装置に用いられる軟入力軟出力復号器

Also Published As

Publication number Publication date
CN101305575A (zh) 2008-11-12
KR20070050750A (ko) 2007-05-16
JP2009513087A (ja) 2009-03-26
CN101305575B (zh) 2012-11-14
KR100856212B1 (ko) 2008-09-03

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