JP2010530651A - 移動通信システムにおける受信確認信号の受信方法 - Google Patents
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Abstract
Description
上述した仮想単位資源の一つとして仮想資源ブロック(VRB:Virtual Resource Block)を挙げることができる。VRBは、データ送信のための仮想的な単位資源である。VRBは、複数の資源要素(RE:Resource Element)を含むように構成される。実際の物理的な単位資源を物理資源ブロック(PRB:Physical Resource Block)というとすると、一般的に一つのVRBが含むREの個数は一つのPRBが含むREの個数と同じであり、実際のデータ送信で、一つのVRBは、一つのPRBにマッピングされたり、複数のPRBの一部領域にマッピングされたりする。一つのVRBを一つのPRBにマッピングする場合、以下でVRBがPRBに取り替えられて説明されてもよいことは当然である。
上述した仮想単位資源の一つとして制御チャネル要素(CCE:Control Channel Element)を挙げることができる。
以下、本発明の更に他の実施例として、ACK/NACK資源情報として一つのサブフレーム内における送信データまたは送信データに対する制御情報の仮想単位資源の順序情報を用いる方法を説明する。
以下、本発明の更に他の実施例として、ACK/NACK資源情報が送信データまたは送信データに対する制御情報に含まれて送信される方法を説明する。
本実施例によれば、送信データに割り当てられる仮想単位資源または前記送信データに対する制御情報に割り当てられる仮想単位資源に対する情報と追加情報との組み合わせに、送信データのACK/NACKインデックスをマッピングすることができる。例えば、多重搬送波通信システムでMIMO技法を適用する場合、可能なACK/NACKインデックスの数は送信可能なデータの数より小さいが、追加情報を組み合わせることによってVRBまたはCCEを通してマッピング可能な制限されたACK/NACKインデックスの数を拡張することができる。
IACK/NACK = Ioffset + IVRB、 IVRB=0,1,2,…,NVRB−1
IACK/NACK = Ioffset + ICCE、 ICCE=0,1,2,…,NCCE−1
Ioffset = IRS mod NARB
Ioffset = IRS mod NARB + IRSG
Ioffset = IRS mod NARB + G(IRS)
IACK/NACK = α・ICodeword + β・IVRB
IACK/NACK = NVRB・ICodeword + IVRB、
ICodeword=0,1,2,…,NCodeword−1、 IVRB=0,1,2,…,NVRB−1
IACK/NACK = ICodeword + NCodeword・IVRB、
ICodeword=0,1,2,…,NCodeword−1、 IVRB=0,1,2,…,NVRB−1
IACK/NACK = α・ICodeword + β・ICCE
IACK/NACK = NCCE・ICodeword + ICCE、
ICodeword=0,1,2,…,NCodeword−1、 ICCE=0,1,2,…,NCCE−1
IACK/NACK = ICodeword + NCodeword・ICCE、
ICodeword=0,1,2,…,NCodeword−1、 ICCE=0,1,2,…,NCCE−1
IACK/NACK = O(Ioffset) + IVRB、 IVRB=0,1,2,…,NVRB−1
Claims (11)
- 移動通信システムで、受信確認信号を受信する方法であって、
参照信号情報とデータの送信に割り当てられた資源ブロックに対応する資源ブロックインデックスとを受信し、
前記参照信号情報及び前記資源ブロックインデックスを用いて前記データに関する受信確認信号資源情報を確認し、
前記受信確認信号資源情報を用いて前記データの受信確認信号を受信することを含む、受信確認信号の受信方法。 - 前記資源ブロックインデックスは、前記データの送信に割り当てられた資源ブロックに対する資源ブロックインデックスのうち最も小さい資源ブロックインデックスであることを特徴とする、請求項1に記載の受信確認信号の受信方法。
- 前記参照信号情報は、特定のシークエンスに対する循環シフト値であることを特徴とする、請求項1に記載の受信確認信号の受信方法。
- 前記特定のシークエンスと前記循環シフト値によって循環シフトしたシークエンスは、互いに直交するか、もしくは互いに良好な相互相関特性を有することを特徴とする、請求項3に記載の受信確認信号の受信方法。
- 前記参照信号は、複数の参照信号を含む参照信号セットから割り当てられることを特徴とする、請求項1に記載の受信確認信号の受信方法。
- 前記データの送信に割り当てられた資源ブロックの数は、前記移動通信システムに適用されるランク値以上であることを特徴とする、請求項1に記載の受信確認信号の受信方法。
- 移動通信システムで、受信確認信号を受信する方法であって、
制御チャネルの送信に割り当てられた資源ブロックに対応する資源ブロックインデックスにマッピングされた受信確認信号資源インデックスを確認し、
前記受信確認信号資源インデックスに対応する受信確認信号資源ブロックを通して前記制御チャネルと関連したデータに対する受信確認信号を受信することを含み、
前記受信確認信号資源インデックスの少なくとも一つは、複数の資源ブロックインデックスに重複マッピングされることを特徴とする、受信確認信号の受信方法。 - 前記受信確認信号資源インデックスは、所定の受信確認信号資源インデックスグループ単位で前記複数の資源ブロックインデックスに重複マッピングされることを特徴とする、請求項7に記載の受信確認信号の受信方法。
- 前記所定の受信確認信号資源インデックスグループ内の受信確認信号資源インデックスは、互いに異なるマッピング規則で重複マッピングされることを特徴とする、請求項8に記載の受信確認信号の受信方法。
- 前記受信確認信号資源ブロックの衝突を避けられるように、前記受信確認信号資源インデックスが前記複数の資源ブロックに重複マッピングされることを特徴とする、請求項7に記載の受信確認信号の受信方法。
- 前記資源ブロックインデックスは、前記制御チャネルの送信に割り当てられた資源ブロックに対する資源ブロックインデックスのうち最も小さい資源ブロックインデックスであることを特徴とする、請求項7に記載の受信確認信号の受信方法。
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US89571007P | 2007-03-19 | 2007-03-19 | |
US60/895,710 | 2007-03-19 | ||
US91509807P | 2007-04-30 | 2007-04-30 | |
US60/915,098 | 2007-04-30 | ||
US94558507P | 2007-06-21 | 2007-06-21 | |
US60/945,585 | 2007-06-21 | ||
US95501907P | 2007-08-09 | 2007-08-09 | |
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KR10-2007-0093565 | 2007-09-14 | ||
KR1020070093565A KR101049138B1 (ko) | 2007-03-19 | 2007-09-14 | 이동 통신 시스템에서, 수신확인신호 수신 방법 |
PCT/KR2008/001547 WO2008115004A2 (en) | 2007-03-19 | 2008-03-19 | A method for receiving ack/nack signal in mobile communication system |
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JP5313930B2 JP5313930B2 (ja) | 2013-10-09 |
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EP (4) | EP2472764B1 (ja) |
JP (1) | JP5313930B2 (ja) |
KR (1) | KR101049138B1 (ja) |
CN (4) | CN105681004B (ja) |
ES (1) | ES2550998T3 (ja) |
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