JP6912589B2 - 無線通信システムにおいて参照信号を送受信する方法及びそのための装置 - Google Patents
無線通信システムにおいて参照信号を送受信する方法及びそのための装置 Download PDFInfo
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Description
は行列
の各列のノルム(norm)が1と正規化(normalization)された行列を意味する。
のベクトルで示され、上位ベクトル
と下位ベクトル
で構造化されており、各々は水平アンテナグループと垂直アンテナグループの相関関係特性を示す。
は各アンテナグループのアンテナ間の相関関係特性を反映して線形位相増加の特性を有するベクトルで示すことが有利であり、代表例としてDFT行列を用いることができる。
Claims (12)
- 無線通信システムにおいて、端末がチャネル状態情報参照信号(CSI−RS)を受信する方法であって、
複数のセルのCSI−RSのマッピングにおいて共通に使用される参照位置に関連する情報を受信するステップと、
前記複数のセルのうちの少なくとも1つのセルに対する測定帯域幅に関連する情報を受信するステップと、
少なくとも1つのセルから、前記測定帯域幅内でCSI−RSを受信するステップと、
前記CSI−RSの受信電力を測定するステップと、を含み、
前記CSI−RSのシーケンス要素は、前記参照位置に基づいて物理リソースにマッピングされ、
前記シーケンス要素の中から、前記測定帯域幅内でマッピングされる前記CSI−RSの1つ以上のシーケンス要素が受信される、CSI−RS受信方法。 - 前記測定帯域幅と前記参照位置との間のシーケンスオフセットに関連する情報を受信するステップを更に含み、
前記CSI−RSのシーケンスの各々は、前記シーケンスオフセットに基づいて生成される、請求項1に記載のCSI−RS受信方法。 - 前記複数のセルの前記CSI−RSの各々の1番目のシーケンス要素の各々は、前記参照位置に対する副搬送波にマッピングされる、請求項1に記載のCSI−RS受信方法。
- 前記受信電力に関連する情報を報告するステップを更に含む、請求項1に記載のCSI−RS受信方法。
- 前記CSI−RSのシーケンス要素は、上位階層により設定される該当セルのスクランブルIDに基づいて生成される、請求項1に記載のCSI−RS受信方法。
- 前記測定帯域幅に関連する情報は、前記測定帯域幅の開始リソースブロック(RB)に関連する情報を含む、請求項1に記載のCSI−RS受信方法。
- 無線通信システムにおいてチャネル状態情報参照信号(CSI−RS)を受信する端末であって、
基地局と信号を送受信するトランシーバと、
前記トランシーバを制御するプロセッサと、を含み、
前記プロセッサは、
複数のセルのCSI−RSのマッピングにおいて共通に使用される参照位置に関連する情報を受信するように前記トランシーバを制御し、
前記複数のセルのうちの少なくとも1つのセルに対する測定帯域幅に関連する情報を受信するように前記トランシーバを制御し、
少なくとも1つのセルから、前記測定帯域幅内でCSI-RSを受信するように前記トランシーバを制御し、
前記CSI−RSの受信電力を測定するよう構成され、
前記CSI−RSのシーケンス要素は、前記参照位置に基づいて物理リソースにマッピングされ、
前記シーケンス要素の中から、前記測定帯域幅内でマッピングされる前記CSI−RSの1つ以上のシーケンス要素が受信される、端末。 - 前記プロセッサは、前記測定帯域幅と前記参照位置との間のシーケンスオフセットに関連する情報を受信するように前記トランシーバを制御するよう更に構成され、
前記CSI−RSのシーケンスの各々は、前記シーケンスオフセットに基づいて生成される、請求項7に記載の端末。 - 前記複数のセルの前記CSI−RSの各々の1番目のシーケンス要素の各々は、前記参照位置に対する副搬送波にマッピングされる、請求項7に記載の端末。
- 前記プロセッサは、前記受信電力に関連する情報を報告するように前記トランシーバを制御するよう更に構成される、請求項7に記載の端末。
- 前記CSI−RSのシーケンス要素は、上位階層により設定される該当セルのスクランブルIDに基づいて生成される、請求項7に記載の端末。
- 前記測定帯域幅に関連する情報は、前記測定帯域幅の開始リソースブロック(RB)に関連する情報を含む、請求項7に記載の端末。
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PCT/KR2018/009180 WO2019031917A1 (ko) | 2017-08-11 | 2018-08-10 | 무선 통신 시스템에서, 참조 신호를 송수신하는 방법 및 이를 위한 장치 |
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