JP6046775B2 - 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
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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 (14)
- 無線通信システムにおけるデータブロックを送信する方法において、
NCBPSSビットのコーディングされたブロックを発生するステップと、
インデックスl=0,1の二つのサブブロックを発生するため、前記コーディングされたブロックをパーシングするステップと、
前記二つのサブブロックを受信機に送信するステップと、
前記コーディングされたブロックが以下のようにパーシングされ、
NBPSCSは、空間ストリーム当たり副搬送波当たりコーディングされたビット個数であり、
NESは、エンコーダの数であり、
z mod tは、整数zを整数tで割った時の残りであり、
xmは、NCBPSSビットのブロックのm番目のビットであり、m=0,...,NCBPSS−1であり、
yk,lは、サブブロックlのk番目のビットであるデータブロックを送信する方法。 - NCBPSSは、2sNESで割られないことを特徴とする請求項1記載の方法。
- 前記二つのサブブロックの各々は、インターリーバによってインターリービングされることを特徴とする請求項2記載の方法。
- 前記二つのサブブロックは、二つの周波数バンドにそれぞれ対応することを特徴とする請求項3記載の方法。
- 前記二つの周波数バンドの各々は、80MHzの帯域幅を有することを特徴とする請求項4記載の方法。
- 前記二つの周波数バンドは隣接することを特徴とする請求項5記載の方法。
- 前記二つの周波数バンドは非隣接することを特徴とする請求項5記載の方法。
- 無線通信システムにおけるデータブロックを送信する送信機において、
NCBPSSビットのコーディングされたブロックを発生するように構成されたコーディング部と、
インデックスl=0,1の二つのサブブロックを発生するため、前記コーディングされたブロックをパーシングするように構成されたパーシング部と、
前記二つのサブブロックを受信機に送信するように構成された送信部と、
前記パーシング部は、前記コーディングされたブロックを以下のようにパーシングするように構成され、
NBPSCSは、空間ストリーム当たり副搬送波当たりコーディングされたビット個数であり、
NESは、エンコーダの数であり、
z mod tは、整数zを整数tで割った時の残りであり、
xmは、NCBPSSビットのブロックのm番目のビットであり、m=0,...,NCBPSS−1であり、
yk,lは、サブブロックlのk番目のビットであるデータブロックを送信する送信機。 - NCBPSSは、2sNESで割られないことを特徴とする請求項8記載の送信機。
- 前記二つのサブブロックの各々は、インターリーバによってインターリービングされることを特徴とする請求項9記載の送信機。
- 前記二つのサブブロックは、二つの周波数バンドにそれぞれ対応することを特徴とする請求項10記載の送信機。
- 前記二つの周波数バンドの各々は、80MHzの帯域幅を有することを特徴とする請求項11記載の送信機。
- 前記二つの周波数バンドは隣接することを特徴とする請求項12記載の送信機。
- 前記二つの周波数バンドは非隣接することを特徴とする請求項12記載の送信機。
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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 |
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