JP2016201825A - 無線通信ネットワークにおける複数の拡張物理下りリンク制御チャネル候補の決定関連出願の相互参照 - Google Patents
無線通信ネットワークにおける複数の拡張物理下りリンク制御チャネル候補の決定関連出願の相互参照 Download PDFInfo
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Abstract
Description
[分野]
複数の実施形態は、添付の複数の図面に限定のためでなく、例として示されるものである。
[例示]
Claims (14)
- 制御情報の送信を促進する進化型ノードB(eNB)によって用いられる装置であって、
前記装置は、
無線通信ネットワークを介してユーザ機器(UE)と通信する通信モジュールと、
前記通信モジュールに連結される制御モジュールと
を備え、
前記制御モジュールは、
複数のPRBのペアを含む拡張物理下りリンク制御チャネル(EPDCCH)−物理リソースブロック(PRB)セットを前記UEに対して設定し、
前記EPDCCH−PRBセットの前記複数のPRBのペアから前記UEに対する複数の分散型のEPDCCH候補のセットを決定し、
前記EPDCCH−PRBセットは、前記複数のPRBのペアの間で分散された複数の拡張リソースエレメントグループ(EREG)を含む複数の分散型の拡張制御チャネルエレメント(ECCE)を有する分散型のEPDCCH−PRBセットとして設定され、
前記複数の分散型のEPDCCH候補のそれぞれは、前記複数の分散型のECCEのうちの1または複数を含み、
前記複数の分散型のEPDCCH候補のセットのうちの異なる前記複数の分散型のEPDCCH候補は、前記複数のPRBのペアの異なる局在のECCEの複数のEREGを含む複数の分散型のECCEに、まずマッピングされ、次に他の分散型のEPDCCH候補と同じ局在のECCEの複数のEREGを含む複数の分散型のECCEにマッピングされる、装置。 - 前記EPDCCH−PRBセットは、第1のEPDCCH−PRBセットであり、前記制御モジュールは、探索空間方程式に基づいて前記複数の分散型のEPDCCH候補のセットを決定し、
前記制御モジュールは、さらに、前記第1のEPDCCH−PRBセットの前記複数のPRBのペアに完全に重複、部分的に重複、または全く重複しない複数のPRBのペアを含む第2のEPDCCH−PRBセットを、前記UEまたは他のUEに対して設定し、
前記探索空間方程式に基づいて、前記第2のEPDCCH−PRBセットから前記UEまたは前記他のUEに対する複数の局在のEPDCCH候補のセットを決定し、
前記第2のEPDCCH−PRBセットは、同じPRBのペアの複数のEREGを有する複数の局在のECCEを含む局在のEPDCCH−PRBセットとして設定される、請求項1に記載の装置。 - 複数の局在のEPDCCH候補の前記セットは、前記第2のEPDCCH−PRBセットの前記複数のPRBのペアのそれぞれの複数の局在のECCEを含む、請求項2に記載の装置。
- 前記EPDCCH−PRBセットは、4個のPRBのペアおよび16個の分散型のECCEを含み、前記複数のPRBのペアのそれぞれは、4つの局在のECCEを含む、請求項1に記載の装置。
- 前記制御モジュールは、さらに、前記複数の分散型のEPDCCH候補の一つについての前記UEに対する下りリンク制御情報(DCI)を含むEPDCCHを送信する、請求項1に記載の装置。
- 複数の分散型のEPDCCH候補の前記セットのうちEPDCCH候補mに対応する複数のECCEのセットは、
により与えられ、
ここで、pは、複数の分散型のEPDCCH候補の前記セットの識別子であり、Yp,kは、複数の分散型のEPDCCH候補の前記セットに対する開始候補インデックスであり、Lは、前記複数の分散型のEPDCCH候補の1つで送信されるEPDCCHのアグリゲーションレベルであり、Mp (L)は、複数の分散型のEPDCCH候補の前記セットのEPDCCH候補の数であり、kは、前記UEに関連するサブフレームであり、NECCE,p,kは、前記無線通信ネットワークでのサブフレームkの制御領域内のECCEの総数であり、i=0,...,L−1、m=0,1,...,Mp (L)−1、bは、複数の分散型のEPDCCH候補の前記セットに関連するサービングセルに対するキャリアインジケータフィールド値または0に等しい、請求項1から請求項5のいずれか1つに記載の装置。 - 前記EPDCCH−PRBセットは、第1の数のPRBのペアを有する第1のEPDCCH−PRBセットであり、
前記制御モジュールは、さらに、第2の数のPRBのペアを有する第2のEPDCCH−PRBセットで前記UEを設定し、
前記第2のEPDCCH−PRBセットは、分散型のEPDCCH−PRBセットまたは局在のEPDCCH−PRBセットであり、
前記第1のEPDCCH−PRBセットの複数の分散型のEPDCCH候補の前記セット内のEPDCCH候補の数は、前記第2の数のPRBのペアに対する前記第1の数のPRBのペアの割合に基づく、請求項1から請求項5のいずれか1つに記載の装置。 - ユーザ機器(UE)への制御チャネルの送信を促進する進化型ノードBにより用いられる装置であって、
複数のPRBのペアを含む拡張物理下りリンク制御チャネル(EPDCCH)−PRBセットを前記UEに対して設定する手段と、
前記EPDCCH−PRBセットの前記複数のPRBのペアから前記UEに対する複数の分散型のEPDCCH候補のセットを決定する手段と
を備え、
前記EPDCCH−PRBセットは、前記複数のPRBのペアの間に分散された複数のEREGを含む複数の分散型の拡張制御チャネルエレメント(ECCE)を有する分散型のEPDCCH−PRBセットとして設定され、
前記複数の分散型のEPDCCH候補のそれぞれは、前記複数の分散型のECCEのうちの1または複数を含み、
複数の分散型のEPDCCH候補の前記セットの異なる前記複数の分散型のEPDCCH候補は、前記複数のPRBのペアの異なる複数の局在のECCEの複数のEREGを含む複数の分散型のECCEに、まずマッピングされ、次に、他の分散型のEPDCCH候補と同じ複数の局在のECCEの複数のEREGを含む複数の分散型のECCEにマッピングされる、装置。 - 前記EPDCCH−PRBセットは、第1のEPDCCH−PRBセットであり、複数の分散型のEPDCCH候補の前記セットは、探索空間方程式に基づいて決定され、
前記装置は、さらに、
前記第1のEPDCCH−PRBセットの前記複数のPRBのペアに完全に重複、部分的に重複、または全く重複しない複数のPRBのペアを含む第2のEPDCCH−PRBセットを、前記UEまたは他のUEに対して、設定する手段と、
前記探索空間方程式に基づいて、前記第2のEPDCCH−PRBセットから、前記UEまたは前記他のUEに対する複数の局在のEPDCCH候補のセットを決定する手段と
を備え、
前第2のEPDCCH−PRBセットは、同じPRBのペアの複数のEREGを有する複数の局在のECCEを含む局在のEPDCCH−PRBセットとして設定される、請求項8に記載の装置。 - ユーザ機器(UE)に用いられる装置であって、
無線通信ネットワークを介してユーザ機器(UE)と通信する通信回路と、
前記通信回路に連結される復号回路と
を備え、
前記復号回路は、
進化型ノードB(eNB)から、複数の物理リソースブロック(PRB)のペアを含む拡張物理下りリンク制御チャネル(EPDCCH)−PRBセットに対する複数の設定パラメータを受信し、
前記EPDCCH−PRBセットの前記複数のPRBのペアから複数の分散型のEPDCCH候補のセットを決定し、
前記EPDCCH−PRBセットは、前記複数のPRBのペアの間で分散された複数の拡張リソースエレメントグループ(EREG)を含む複数の分散型の拡張制御チャネルエレメント(ECCE)を有する分散型のEPDCCH−PRBセットとして設定され、
前記複数の分散型のEPDCCH候補のそれぞれは、前記複数の分散型のECCEのうちの1または複数を含み、
前記複数の分散型のEPDCCH候補のセットのうちの異なる前記複数の分散型のEPDCCH候補は、前記複数のPRBのペアの異なる局在のECCEの複数のEREGを含む複数の分散型のECCEに、まずマッピングされ、次に他の分散型のEPDCCH候補 と同じ局在のECCEの複数のEREGを含む複数の分散型のECCEにマッピングされる、装置。 - 前記EPDCCH−PRBセットは、第1のEPDCCH−PRBセットであり、前記復号回路は、探索空間方程式に基づいて前記複数の分散型のEPDCCH候補のセットを決定し、
前記復号回路は、さらに、前記第1のEPDCCH−PRBセットの前記複数のPRBのペアに完全に重複、部分的に重複、または全く重複しない複数のPRBのペアを含む第2のEPDCCH−PRBセットに対する複数の設定パラメータを受信し、
前記探索空間方程式に基づいて、前記第2のEPDCCH−PRBセットから前記UEまたは他のUEに対する複数の局在のEPDCCH候補のセットを決定し、
前記第2のEPDCCH−PRBセットは、同じPRBのペアの複数のEREGを有する複数の局在のECCEを含む局在のEPDCCH−PRBセットとして設定される、請求項10に記載の装置。 - 複数の局在のEPDCCH候補の前記セットは、前記第2のEPDCCH−PRBセットの前記複数のPRBのペアのそれぞれの複数の局在のECCEを含む、請求項11に記載の装置。
- 前記復号回路は、前記UEに対する下りリンク制御情報(DCI)を含むEPDCCHに対する前記複数の分散型のEPDCCH候補を監視する、請求項10から12のいずれか1つに記載の装置。
- 複数の分散型のEPDCCH候補の前記セットのうちEPDCCH候補mに対応する複数のECCEのセットは、
により与えられ、
ここで、pは、複数の分散型のEPDCCH候補の前記セットの識別子であり、Yp,kは、複数の分散型のEPDCCH候補の前記セットに対する開始候補インデックスであり、Lは、前記複数の分散型のEPDCCH候補の1つで送信されるEPDCCHのアグリゲーションレベルであり、Mp (L)は、複数の分散型のEPDCCH候補の前記セットのEPDCCH候補の数であり、kは、前記UEに関連するサブフレームであり、NECCE,p,kは、前記無線通信ネットワークでのサブフレームkの制御領域内のECCEの総数であり、i=0,...,L−1、m=0,1,...,Mp (L)−1、およびbは、複数の分散型のEPDCCH候補の前記セットに関連するサービングセルに対するキャリアインジケータフィールド値または0に等しい、請求項10から請求項13のいずれか1つに記載の装置。
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| JP3517151B2 (ja) | 1999-04-06 | 2004-04-05 | 株式会社タンケンシールセーコウ | セグメントリング |
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