JP6550366B2 - 無線通信システムにおけるデータブロック送信方法及び送信機 - Google Patents
無線通信システムにおけるデータブロック送信方法及び送信機 Download PDFInfo
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Description
前記方法は、信号コンステレーションの一軸に割り当てられるビット数s及びエンコーダの個数NESを決定するステップ;コーディングされたブロックを生成するステップ;sNESビット単位に前記コーディングされたブロックをパーシングして複数の周波数サブブロックを生成するステップ;及び、前記複数の周波数サブブロックを受信機に送信するステップ;を含む。
VHT−SIG Bフィールド670は、MCS(Modualtion and Coding Scheme)情報を含む。VHT−SIG Bフィールド640の大きさは、MIMO送信の類型(MU−MIMO又はSU−MIMO)及びPPDU送信のために使用するチャネル帯域幅によって異なる。
26個の列にインターリーバ入力ビットが順次割り当てられ、3i番目の列の3j、3j+1、3j+2列は、そのまま信号コンステレーションにマッピングされ、3i+1番目の列の3j、3j+1、3j+2列は、1段下に循環シフトを適用して信号コンステレーションにマッピングされる。3i+2番目の列の3j、3j+1、3j+2列は、2段下に循環シフトを適用して信号コンステレーションにマッピングされる。
(1)64−QAM、R=2/3、NSS=5、NES=5
(2)64−QAM、R=2/3、NSS=7、NES=7
(3)64−QAM、R=3/4、NSS=5、NES=5
(4)64−QAM、R=3/4、NSS=7、NES=7
実施例がソフトウェアで具現される時、前述した技法は前述した機能を遂行するモジュール(過程、機能など)で具現されることができる。モジュールは、メモリに格納され、プロセッサにより実行されることができる。メモリは、プロセッサの内部又は外部にあり、よく知られた多様な手段によりプロセッサと連結されることができる。
Claims (10)
- 無線通信方法において、
1つ又は複数のエンコーダを用いて、情報ビットを符号化するステップと、
複数の第1のブロックを発生するため、前記符号化された情報ビットに第1のパーシングを行うステップと、
複数の第2のブロックを発生するため、前記複数の第1のブロックに第2のパーシングを行うステップであって、前記符号化された情報ビットの間の少なくとも二つの連続するビットは、前記複数の第2のブロックの一つにおいて連続し、
インターリービングされたデータブロックを発生するため、前記複数の第2のブロックにインターリービングするステップと、
前記インターリービングされたデータブロックを、送信帯域幅にわたって受信器に送信するステップと、
を備え、
前記第2のパーシングは、前記1つ又は複数のエンコーダの数に基づいて実行されることを特徴とする方法。 - 前記インデックスsは、16-QAM(Quadrature amplitude modulation)に対して2、64-QAMに対して3、256-QAMに対して4であることを特徴とする請求項2に記載の方法。
- 前記インデックスsは、前記符号化された情報ビットの間で連続し、また前記複数の第2のブロックの一つにおいて連続するビットの最大長さに等しいことを特徴とする請求項2に記載の方法。
- 前記送信帯域幅は、80MHzよりも大きいことを特徴とする請求項1に記載の方法。
- 一つ又は二つ以上のアンテナと、無線送信を実行するための送信回路と、メモリと、前記一つ又は二つ以上のアンテナ、前記送信回路及び前記メモリと結合されて動作し得るプロセッサとを備え、前記メモリ内に格納されたプログラム命令を実行する通信装置であって、
前記プロセッサは、前記プログラム命令を実行するとき、
1つ又は複数のエンコーダを用いて、情報ビットを符号化し、
複数の第1のブロックを発生するため、前記符号化された情報ビットに第1のパーシングを行い、
複数の第2のブロックを発生するため、前記複数の第1のブロックに第2のパーシングを行い、前記符号化された情報ビットの間の少なくとも二つの連続するビットは、前記複数の第2のブロックの一つにおいて連続し、
インターリービングされたデータブロックを発生するため、前記複数の第2のブロックにインターリービングし、
前記送信回路に、前記インターリービングされたデータブロックを、送信帯域幅にわたって受信器に送信させ、
前記第2のパーシングは、前記1つ又は複数のエンコーダの数に基づいて実行されることを特徴とする装置。 - 前記インデックスsは、16-QAM(Quadrature amplitude modulation)に対して2、64-QAMに対して3、256-QAMに対して4であることを特徴とする請求項7に記載の装置。
- 前記インデックスsは、前記符号化された情報ビットの間で連続し、また前記複数の第2のブロックの一つにおいて連続するビットの最大長さに等しいことを特徴とする請求項7に記載の装置。
- 前記送信帯域幅は、80MHzよりも大きいことを特徴とする請求項6に記載の装置。
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KR102066646B1 (ko) | 2011-10-27 | 2020-01-16 | 마벨 월드 트레이드 리미티드 | 무선 근거리 통신망들(wlans)을 위한 데이터 유닛 포맷 시그널링 |
CN104521207B (zh) | 2012-01-13 | 2017-12-29 | 马维尔国际贸易有限公司 | 一种用于生成用于经由1GHz以下的通信信道传输的数据单元的方法和装置 |
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RU2708349C1 (ru) * | 2019-06-03 | 2019-12-05 | Акционерное общество "Концерн "Созвездие" | Способ передачи данных на основе кодов с низкой плотностью проверок на четность |
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