JP2011146932A - 誤り訂正符号化方法、誤り訂正復号方法、誤り訂正符号化装置、および、誤り訂正復号装置 - Google Patents
誤り訂正符号化方法、誤り訂正復号方法、誤り訂正符号化装置、および、誤り訂正復号装置 Download PDFInfo
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Abstract
【解決手段】外符号の符号化処理を行う外符号化回路33と、内符号の符号化処理を行う内符号化回路34とを備え、さらに、並列入力系列を特定のレーンに分類して、内部フレームごとに特定のバレルシフトを行うインタリーブ処理を行う内符号化入力回路54を備えて、並列入力系列を特定のレーンに分類して、内部フレームごとに特定のバレルシフトを行うインタリーブを施すことで、情報系列領域とパリティ系列領域の割り当てを均一にさせ、処理スループットを高くし、かつ、誤り訂正能力を高くする。
【選択図】図1
Description
図5は、この発明の一実施の形態による、誤り訂正符号化装置および誤り訂正復号装置を備えたデジタル伝送システム(以下、単に「伝送システム」という)の構成を示すブロック図である。図5において、伝送システムは、情報源に接続された誤り訂正符号化器11(誤り訂正符号化装置)と、誤り訂正符号化器11に接続されたD/A(デジタル/アナログ)変換器12と、D/A変換器12に接続された変調器13と、変調器13に接続された通信路14と、通信路14を介して変調器13に接続された復調器21と、復調器21に接続されたA/D(アナログ/デジタル)変換器22と、A/D変換器22に接続された誤り訂正復号器23(誤り訂正復号装置)とにより構成されており、誤り訂正復号器23は受信者側に接続されている。ここで、D/A変換器12、変調器13、通信路14、復調器21及びA/D変換器22は、それぞれデジタル伝送システムで一般的に利用されている装置構成からなる。なお、D/A変換器12は、2値以上の多値変調の場合には必要であるが、2値変調の場合は必ずしも必要とは限らない。
Claims (8)
- 外符号の符号化処理を行う外符号化ステップと、
内符号の符号化処理を行う内符号化ステップと、
並列入力系列を特定のレーンに分類して、内部フレームごとに特定のバレルシフトを行うインタリーブ処理ステップと
を備えたことを特徴とする誤り訂正符号化方法。 - 上記インタリーブ処理ステップは、複数フレームを1単位に処理することを特徴とする請求項1に記載の誤り訂正符号化方法。
- 上記インタリーブ処理ステップは、特定のバレルシフトの順序を、フレーム単位で切り換える方法と、内部フレームごとに切り換える方法と
を有することを特徴とする請求項2に記載の誤り訂正符号化方法。 - 外符号の復号処理を行う外復号ステップと、
内符号の復号処理を行う内復号ステップと、
並列入力系列を特定のレーンに分類して、内部フレームごとに特定のバレルシフトを行うインタリーブ処理ステップと
を備えたことを特徴とする誤り訂正復号方法。 - 上記インタリーブ処理ステップは、複数フレームを1単位に処理することを特徴とする請求項4に記載の誤り訂正復号方法。
- 上記インタリーブ処理ステップは、特定のバレルシフトの順序を、フレーム単位で切り換える方法と、内部フレームごとに切り換える方法と
を有することを特徴とする請求項5に記載の誤り訂正復号方法。 - 外符号の符号化処理を行う外符号化回路と、
内符号の符号化処理を行う内符号化回路と、
並列入力系列を特定のレーンに分類して、内部フレームごとに特定のバレルシフトを行うインタリーブ回路と
を備えたことを特徴とする誤り訂正符号化装置。 - 外符号の復号処理を行う外復号回路と、
内符号の復号処理を行う内復号回路と、
並列入力系列を特定のレーンに分類して、内部フレームごとに特定のバレルシフトを行うインタリーブ回路と
を備えたことを特徴とする誤り訂正復号装置。
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EP10016036.5A EP2346197B1 (en) | 2010-01-14 | 2010-12-23 | Method and device for encoding and decoding of error correcting codes |
US12/987,368 US8621316B2 (en) | 2010-01-14 | 2011-01-10 | Method and device for encoding of error correcting codes, and method and device for decoding of error correcting codes |
CN201110005884.6A CN102130742B (zh) | 2010-01-14 | 2011-01-13 | 纠错编码装置和方法、及纠错解码装置和方法 |
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JP2015084585A (ja) * | 2012-02-22 | 2015-04-30 | 日本電信電話株式会社 | マルチレーン監視方式 |
WO2014045906A1 (ja) * | 2012-09-21 | 2014-03-27 | 日本電信電話株式会社 | 並列データ符号復号化システム |
JP5918378B2 (ja) * | 2012-09-21 | 2016-05-18 | 日本電信電話株式会社 | 並列データ符号復号化システム |
US10193566B2 (en) | 2012-09-21 | 2019-01-29 | Nippon Telegraph And Telephone Corporation | Encoding/decoding system for parallel data |
US10382168B2 (en) | 2015-09-07 | 2019-08-13 | Mitsubishi Electric Corporation | Encoder device, decoder device and transmission apparatus |
WO2020183525A1 (ja) * | 2019-03-08 | 2020-09-17 | 三菱電機株式会社 | 符号化装置、復号装置、及び誤り訂正装置 |
JPWO2020183525A1 (ja) * | 2019-03-08 | 2021-03-25 | 三菱電機株式会社 | 符号化装置、復号装置、及び誤り訂正装置 |
JP2022533326A (ja) * | 2019-05-15 | 2022-07-22 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | データ伝送方法および装置 |
JPWO2023089736A1 (ja) * | 2021-11-18 | 2023-05-25 | ||
JP7483155B2 (ja) | 2021-11-18 | 2024-05-14 | 三菱電機株式会社 | 送信装置、受信装置、符号化方法、制御回路および記憶媒体 |
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EP2346197A2 (en) | 2011-07-20 |
EP2346197A3 (en) | 2012-11-14 |
JP5523120B2 (ja) | 2014-06-18 |
US8621316B2 (en) | 2013-12-31 |
EP2346197B1 (en) | 2021-05-05 |
CN102130742B (zh) | 2014-07-09 |
US20110173511A1 (en) | 2011-07-14 |
CN102130742A (zh) | 2011-07-20 |
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