JP2004032125A - 通信システムおよび信号処理方法 - Google Patents

通信システムおよび信号処理方法 Download PDF

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Publication number
JP2004032125A
JP2004032125A JP2002182312A JP2002182312A JP2004032125A JP 2004032125 A JP2004032125 A JP 2004032125A JP 2002182312 A JP2002182312 A JP 2002182312A JP 2002182312 A JP2002182312 A JP 2002182312A JP 2004032125 A JP2004032125 A JP 2004032125A
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Japan
Prior art keywords
signal
likelihood
decoder
communication system
communication device
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JP2002182312A
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Japanese (ja)
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JP2004032125A5 (enExample
Inventor
Masayuki Hanaoka
花岡　誠之
Takashi Yano
矢野　隆
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Hitachi Ltd
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Hitachi Ltd
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  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP2002182312A 2002-06-24 2002-06-24 通信システムおよび信号処理方法 Pending JP2004032125A (ja)

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JP2002182312A JP2004032125A (ja) 2002-06-24 2002-06-24 通信システムおよび信号処理方法

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JP2004032125A5 JP2004032125A5 (enExample) 2005-06-16

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005109811A1 (ja) * 2004-05-11 2005-11-17 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線通信システム
JP2007074618A (ja) * 2005-09-09 2007-03-22 Sony Corp 無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
JP2007166592A (ja) * 2005-12-09 2007-06-28 Korea Electronics Telecommun 反復デコーダーのための高次変調方式に適する軟判定デマップ方法及びそれを利用したエラー訂正装置
JP2008048238A (ja) * 2006-08-18 2008-02-28 Univ Meijo 誤り訂正装置、受信装置、誤り訂正方法および誤り訂正プログラム
JP2008153874A (ja) * 2006-12-15 2008-07-03 Sumitomo Electric Ind Ltd 軟判定復号装置、軟判定復号方法および軟判定復号プログラム
JP2008236387A (ja) * 2007-03-20 2008-10-02 Sumitomo Electric Ind Ltd 軟判定復号装置および軟判定復号プログラム
US7447269B2 (en) 2004-07-07 2008-11-04 Hitachi, Ltd. Method and adaptive modulation in multi-carrier communication
WO2008143251A1 (ja) * 2007-05-21 2008-11-27 Kabushiki Kaisha Kenwood 軟判定装置及び軟判定方法
JP2009534875A (ja) * 2006-03-14 2009-09-24 クゥアルコム・インコーポレイテッド 対数尤度比（ｌｌｒ）関数の区分線形近似を使用するｌｌｒ計算
US7685501B2 (en) 2005-07-08 2010-03-23 Nec Corporation Wireless communication system, receiving apparatus with a plurality of antennas, demodulating method for such wireless communication system, receiving apparatus, and program for such demodulating method
JP4759618B2 (ja) * 2005-08-18 2011-08-31 インターデイジタル テクノロジー コーポレーション Ｅ−ｈｉｃｈ送信を検出し復号化するための無線通信方法および装置
JP2012039474A (ja) * 2010-08-09 2012-02-23 Kyushu Ten:Kk デジタル無線信号の復調回路およびそれを用いた無線受信装置
US8413030B2 (en) 2008-06-05 2013-04-02 Hitachi Kokusai Electric Inc. Wireless communication system, receiver and signal processing method for received signal
WO2015137049A1 (ja) * 2014-03-13 2015-09-17 三菱電機株式会社 尤度生成装置およびその方法

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005109811A1 (ja) * 2004-05-11 2005-11-17 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線通信システム
US7447269B2 (en) 2004-07-07 2008-11-04 Hitachi, Ltd. Method and adaptive modulation in multi-carrier communication
US7685501B2 (en) 2005-07-08 2010-03-23 Nec Corporation Wireless communication system, receiving apparatus with a plurality of antennas, demodulating method for such wireless communication system, receiving apparatus, and program for such demodulating method
US8286052B2 (en) 2005-08-18 2012-10-09 Interdigital Technology Corporation Wireless communication method and apparatus for detecting and decoding enhanced dedicated channel hybrid automatic repeat request indicator channel transmissions
JP4759618B2 (ja) * 2005-08-18 2011-08-31 インターデイジタル テクノロジー コーポレーション Ｅ−ｈｉｃｈ送信を検出し復号化するための無線通信方法および装置
JP2007074618A (ja) * 2005-09-09 2007-03-22 Sony Corp 無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
JP2007166592A (ja) * 2005-12-09 2007-06-28 Korea Electronics Telecommun 反復デコーダーのための高次変調方式に適する軟判定デマップ方法及びそれを利用したエラー訂正装置
US8793560B2 (en) 2006-03-14 2014-07-29 Qualcomm Incorporated Log-likelihood ratio (LLR) computation using piecewise linear approximation of LLR functions
JP2009534875A (ja) * 2006-03-14 2009-09-24 クゥアルコム・インコーポレイテッド 対数尤度比（ｌｌｒ）関数の区分線形近似を使用するｌｌｒ計算
JP2013062808A (ja) * 2006-03-14 2013-04-04 Qualcomm Inc 対数尤度比（ｌｌｒ）関数の区分線形近似を使用するｌｌｒ計算
JP2008048238A (ja) * 2006-08-18 2008-02-28 Univ Meijo 誤り訂正装置、受信装置、誤り訂正方法および誤り訂正プログラム
JP2008153874A (ja) * 2006-12-15 2008-07-03 Sumitomo Electric Ind Ltd 軟判定復号装置、軟判定復号方法および軟判定復号プログラム
JP2008236387A (ja) * 2007-03-20 2008-10-02 Sumitomo Electric Ind Ltd 軟判定復号装置および軟判定復号プログラム
RU2458462C2 (ru) * 2007-05-21 2012-08-10 Кабусики Кайся Кенвуд Устройство и способ мягкого решения
US8335972B2 (en) 2007-05-21 2012-12-18 Kabushiki Kaisha Kenwood Soft decision device and soft decision method
WO2008143251A1 (ja) * 2007-05-21 2008-11-27 Kabushiki Kaisha Kenwood 軟判定装置及び軟判定方法
US8413030B2 (en) 2008-06-05 2013-04-02 Hitachi Kokusai Electric Inc. Wireless communication system, receiver and signal processing method for received signal
JP2012039474A (ja) * 2010-08-09 2012-02-23 Kyushu Ten:Kk デジタル無線信号の復調回路およびそれを用いた無線受信装置
WO2015137049A1 (ja) * 2014-03-13 2015-09-17 三菱電機株式会社 尤度生成装置およびその方法
JP5976252B2 (ja) * 2014-03-13 2016-08-23 三菱電機株式会社 尤度生成装置およびその方法
US9973369B2 (en) 2014-03-13 2018-05-15 Mitsubishi Electric Corporation Likelihood generation apparatus and method therefor

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