JP2014502828A - 通信・放送システムにおける送受信装置及びその方法 - Google Patents
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Abstract
Description
120… パリティ部分行列
202… 制御部
204… ゼロパディング部
206… BCH符号部
208… LDPC符号部
210… ゼロ除去及び穿孔部
910… ゼロパディング部
920… 符号化部
930… 穿孔部
940… 送信部
960… 貯蔵部
970… 制御部
1010… 受信部
1020… 短縮ビット復元部
1030… 穿孔ビット復元部
1040… 符号化部
1050… 貯蔵部
1060… 制御部
Claims (13)
- 通信・放送システムにおける送信端の動作方法において、
0−パディングされるビットの個数を決定する過程と、
全てのビットが0にパディングされるビットグループの個数(Npad)を決定する過程と、
短縮パターン(shortening pattern)によって指示される0番目乃至Npad−1番目のビットグループ内の全てのビットを0にパディングする過程と、
BCH(Bose Chaudhuri Hocquenghem)情報ビットでパディングされていないビット位置に情報ビットをマッピングする過程と、
LDPC(Low Density Parity Check)情報ビットを生成するために前記BCH情報ビットをBCH符号化する過程と、
0−パディングされた符号語(cordword)を生成するために前記LDPC情報ビットをLDPC符号化する過程と、を含み、
前記短縮パターンは、6,5,4,9,3,2,1,8,0,7,10,11で定義されるビットグループの順として定義されることを特徴とする方法。 - Npad番目のビットグループで少なくとも一つのビットを0にパディングする過程を更に含むことを特徴とする請求項1に記載の方法。
- 前記0−パディングされたコードワードの情報ビットにおいて、0−パディングされたビットを除去する過程を更に含むことを特徴とする請求項1に記載の方法。
- 通信・放送システムにおける送信端の動作方法において、
符号語(cordword)を生成するためにLDPC(Low Density Parity Check)情報ビットをLDPC符号化する過程と、
前記符号語のパリティ(parity)ビットで穿孔(puncturing)されるビットの個数(Npunc)を決定する過程と、
全てのビットが穿孔されるパリティビットグループの個数(Npunc_group)を決定する過程と、
穿孔パターン(puncturing pattern)によって指示される0番目乃至Npunc_group−1番目のビットグループ内の全てのビットを穿孔する過程と、を含み、
前記穿孔パターンは、29,45,43,27,32,35,40,38,0,19,8,16,41,4,26,36,30,2,13,42,46,24,37,1,33,11,44,28,20,9,34,3,17,6,21,14,23,7,22,47,5,10,12,15,18,25,31,39で定義されるパリティビットグループの順として定義されることを特徴とする方法。 - Npunc_group番目のビットグループで少なくとも一つのビットを穿孔する過程を更に含むことを特徴とする請求項4に記載の方法。
- 穿孔された符号語を送信する過程を更に含むことを特徴とする請求項4に記載の方法。
- 通信・放送システムにおける受信端の動作方法において、
短縮(shortening)された符号語(codeword)を受信する過程と、
0−パディングされたビットの個数を決定する過程と、
全てのビットが0にパディングされたビットグループの個数(Npad)を決定する過程と、
短縮パターン(shortening pattern)によって指示される0番目乃至Npad−1番目のビットグループ内の全てのビットに対応するLDPC(Low Density Parity Check)ディコーダ(decoder)入力値を短縮されたLDPC情報ビットを示す値として設定する過程と、
パディングされていない情報ビットに対応するLDPCディコーダ入力値を受信された短縮された符号語に応じて設定する過程と、
LDPC情報ビットを生成するために前記LDPCディコーダ入力値をLDPC復号化する過程と、
BCH(Bose Chaudhuri Hocquenghem)情報ビットを生成するために前記LDPC情報ビットをBCH復号化する過程と、を含み、
前記短縮パターンは、6,5,4,9,3,2,1,8,0,7,10,11で定義されるビットグループの順として定義されることを特徴とする方法。 - Npad番目のビットグループの一部のビットに対応するLDPCディコーダ入力値を短縮されたLDPC情報ビットを示す値として設定する過程を更に含むことを特徴とする請求項7に記載の方法。
- 通信・放送システムにおける受信端の動作方法において、
穿孔(puncturing)された符号語(codeword)を受信する過程と、
穿孔された符号語のLDPC(Low Density Parity Check)パリティビットで穿孔されたビットの個数を決定する過程と、
全てのビットが穿孔されたパリティビットグループの個数(Npunc_group)を決定する過程と、
穿孔パターン(puncturing pattern)によって指示されるLDPC符号語の0番目乃至Npunc_group−1番目のパリティビットグループ内の全てのパリティビットに対応するLDPCディコーダ(decoder)入力値を穿孔されたパリティビットを示す値として設定する過程と、
前記LDPC符号語の穿孔されていない残りのパリティビットに対応するLDPCディコーダ入力値を受信された穿孔された符号語の受信値に応じて設定する過程と、を含み、
前記穿孔パターンは、29,45,43,27,32,35,40,38,0,19,8,16,41,4,26,36,30,2,13,42,46,24,37,1,33,11,44,28,20,9,34,3,17,6,21,14,23,7,22,47,5,10,12,15,18,25,31,39で定義されるパリティビットグループの順として定義されることを特徴とする方法。 - 前記LDPC符号語のNpunc_group番目のパリティビットグループ内の一部のビットに対応するLDPCディコーダ入力値を穿孔されたパリティビットを示す値として設定する過程を更に含むことを特徴とする請求項9に記載の方法。
- 前記パリティビットグループそれぞれは、パリティ検査行列のパリティに対応する部分行列において、列のパターンが繰り返される間隔の約数である予め定義された個数のビットを含むことを特徴とする請求項1乃至請求項10のうちいずれか一項に記載の方法。
- 請求項1乃至請求項6及び請求項11のうちいずれか一つの方法を実施するように構成される送信機装置。
- 請求項7乃至請求項11のうちいずれか一つの方法を実施するように構成される受信機装置。
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KR1020120005257A KR101611169B1 (ko) | 2011-01-18 | 2012-01-17 | 통신/방송 시스템에서 데이터 송수신 장치 및 방법 |
KR10-2012-0005257 | 2012-01-17 | ||
PCT/KR2012/000446 WO2012099398A2 (en) | 2011-01-18 | 2012-01-18 | Apparatus and method for transmittng and receiving data in communication/broadcasting system |
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CN105811997B (zh) | 2019-11-15 |
AU2012207771B2 (en) | 2015-07-23 |
CN105811997A (zh) | 2016-07-27 |
KR20120083858A (ko) | 2012-07-26 |
AU2015202964A1 (en) | 2015-06-18 |
RU2013133357A (ru) | 2015-01-27 |
EP2477335A3 (en) | 2013-05-15 |
AU2012207771A1 (en) | 2013-05-02 |
US20150012803A1 (en) | 2015-01-08 |
CN103329445B (zh) | 2017-02-15 |
JP5875602B2 (ja) | 2016-03-02 |
EP2477335B1 (en) | 2019-05-29 |
US20120185757A1 (en) | 2012-07-19 |
CN103329445A (zh) | 2013-09-25 |
EP2477335A2 (en) | 2012-07-18 |
US8782499B2 (en) | 2014-07-15 |
RU2595542C2 (ru) | 2016-08-27 |
KR101611169B1 (ko) | 2016-04-11 |
US9214960B2 (en) | 2015-12-15 |
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