JP2016129385A - Ofdm/ofdmaシステム用の拡張型物理ダウンリンク制御チャネルの物理構造および基準信号の利用 - Google Patents
Ofdm/ofdmaシステム用の拡張型物理ダウンリンク制御チャネルの物理構造および基準信号の利用 Download PDFInfo
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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Abstract
【解決手段】
OFDM/OFDMAシステムのユーザー端末(UE)で拡張型物理ダウンリンク制御チャネル(ePDCCH)を介してダウンリンク制御情報を受信するステップであって、方法は、ePDCCHは拡張制御チャネル要素(eCCE)セットと関連付けられるステップ、UEがePDCCH送信用に単一のeCCEを利用してダウンリンク制御情報をデコーティングした場合、単一のeCCEの論理アドレスに基づき、第1の特定のアンテナポートの基準信号に対してダウンリンク制御情報をデコーディングするステップ、および、UEがePDCCH送信用に単一のeCCEを利用してダウンリンク制御情報をデコーティングした場合、複数のeCCE間の特定のeCCEの論理アドレスに基づき、第2の特定のアンテナポートの基準信号に対してダウンリンク制御情報をデコーディングするステップを含む。
【選択図】図11
Description
101 基地局eNodeB
UE102、UE103、およびUE104 ユーザー端末
201 基地局
202 メモリ
203 プロセッサ
204 エンコーダ
205 マッピング
206 RFトランシーバモジュール
207 アンテナ
208 制御モジュール
209 プログラム命令およびデータ
211 ユーザ端末
212 メモリ
213 プロセッサ
214 デコーダ
215 コレクタ
216 RFトランシーバモジュール
217 アンテナ
218 制御モジュール
219 プログラムコード
600 サブフレーム
605 PRBペア
610 eCCE
700 サブフレーム
705 PRBペア
710 eCCE
800 サブフレーム
805 PRBペア
810 eCCE
900 サブフレーム
905 PRBペア
910 eCCE
1010 eCCE。
Claims (6)
- OFDM/OFDMAシステムのユーザー端末(UE)で拡張型物理ダウンリンク制御チャネル(ePDCCH)を介してダウンリンク制御情報を受信するステップであって、前記ePDCCHは拡張制御チャネル要素(eCCE)セットと関連付けられるステップ、
前記UEがePDCCH送信用に前記単一のeCCEを利用して前記ダウンリンク制御情報をデコーティングした場合、単一のeCCEの論理アドレスに基づき、第1の特定のアンテナポートの基準信号に対してダウンリンク制御情報をデコーディングするステップ、および
前記UEがePDCCH送信用に前記単一のeCCEを利用して前記ダウンリンク制御情報をデコーティングした場合、複数のeCCE間の特定のeCCEの論理アドレスに基づき、第2の特定のアンテナポートの基準信号に対してダウンリンク制御情報をデコーディングするステップを含む方法。 - 各eCCEは、第1のデマッピングルールに基づく複数の拡張リソース要素グループ(eREG)からなる請求項1に記載の方法。
- 1つのeCCE用の前記複数のeREGは、複数の不連続のPRBに分散される請求項2に記載の方法。
- 各eREGは、第2のデマッピングルールに基づく複数のリソース要素(RE)からなる請求項2に記載の方法。
- OFDM/OFDMAシステムのユーザー端末(UE)であって、前記UEは、
基地局から制御信号を受信し、前記ダウンリンク制御情報を搬送する受信された物理リソースブロック(PRB)を決定する受信機、
PRB内の候補の物理ダウンリンク制御チャネル(ePDCCH)セットを決定し、各ePDCCHは、ePDCCH送信用に、拡張制御チャネル要素(eCCE)セットと関連付けられる制御モジュール、
第1のデマッピングルールに基づく複数のeREGからなる各eCCE用に複数の拡張リソース要素グループ(eREG)を収集し、且つ第2のデマッピングルールに基づく複数のREからなる各eREG用に複数のリソース要素(RE)を収集するコレクタモジュール、および
前記収集されたREにマップされた前記ダウンリンク制御情報をデコードするデコーダを含むユーザー端末において、
前記UEは、前記UEがePDCCH送信用に前記単一のeCCEを利用して前記ダウンリンク制御情報をデコーティングした場合、単一のeCCEの論理アドレスに基づく特定のアンテナポートの基準信号に対するダウンリンク制御情報をデコーディングするユーザー端末。 - OFDM/OFDMAシステムのユーザー端末(UE)であって、前記UEは、
基地局から制御信号を受信し、前記ダウンリンク制御情報を搬送する受信された物理リソースブロック(PRB)を決定する受信機、
PRB内の候補の物理ダウンリンク制御チャネル(ePDCCH)セットを決定し、各ePDCCHは、ePDCCH送信用に、拡張制御チャネル要素(eCCE)セットと関連付けられる制御モジュール、
第1のデマッピングルールに基づく複数のeREGからなる各eCCE用に複数の拡張リソース要素グループ(eREG)を収集し、且つ第2のデマッピングルールに基づく複数のREからなる各eREG用に複数のリソース要素(RE)を収集するコレクタモジュール、および
前記収集されたREにマップされた前記ダウンリンク制御情報をデコードするデコーダを含むユーザー端末において、
前記UEは、前記UEがePDCCH送信用に前記複数のeCCEを利用して前記ダウンリンク制御情報をデコーティングした場合、複数のeCCE間の特定のeCCEの論理アドレスに基づく特定のアンテナポートの基準信号に対するダウンリンク制御情報をデコーディングするユーザー端末。
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104221437A (zh) | 2014-12-17 |
| EP2687048A1 (en) | 2014-01-22 |
| CN108183773A (zh) | 2018-06-19 |
| US9883526B2 (en) | 2018-01-30 |
| JP6362635B2 (ja) | 2018-07-25 |
| US20160143053A1 (en) | 2016-05-19 |
| JP2015515189A (ja) | 2015-05-21 |
| US20130286980A1 (en) | 2013-10-31 |
| JP5889446B2 (ja) | 2016-03-22 |
| WO2013135199A1 (en) | 2013-09-19 |
| EP2687048A4 (en) | 2015-11-11 |
| CN104221437B (zh) | 2018-04-13 |
| US9277548B2 (en) | 2016-03-01 |
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