JP2020523823A - Csi報告提供の可否を決定するための装置および方法 - Google Patents
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Abstract
Description
Claims (20)
- チャネル状態情報(Channel State Information:CSI)報告を伝送するように構成されている無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)であって、
物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上の非周期的CSI報告リクエストを受信するように構成された受信部と、
前記非周期的CSI報告リクエストが受信される前記PDCCHの最後のシンボルと、対応するCSI報告の伝送のための所定の上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップを決定するように構成されている回路であって、前記タイムギャップの前記決定はタイミングアドバンス値の考慮を含み、時間閾値を決定し、決定された時間閾値が決定されたタイムギャップよりも短いかどうかをさらに決定するように構成されている回路と、
前記決定されたタイムギャップが前記閾値よりも長い状態では、前記CSI報告を伝送し、前記決定されたタイムギャップが前記閾値よりも短い状態では、前記CSI報告を伝送しないように構成されている送信部と、
を含むWTRU。 - 前記時間閾値は、CSI報告帯域幅に基づいて決定される、請求項1に記載のWTRU。
- 前記時間閾値は、前記WTRUによって使用されるいくつかのアンテナポートに基づいて決定される、請求項1に記載のWTRU。
- 前記時間閾値は、広帯域周波数帯域幅によって使用されるいくつかのアンテナポートに基づいて決定される、請求項1に記載のWTRU。
- 前記時間閾値は、コードブックタイプに基づいて決定される、請求項1に記載のWTRU。
- 前記所定の上りリンクチャネルは、物理上りリンク共有チャネル(Physical Uplink Shared Channel:PUSCH)および物理上りリンク制御チャネル(PUCCH)を含む、請求項1に記載のWTRU。
- 無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)によって実施される方法であって、
非周期的なチャネル状態情報(Channel State Information:CSI)報告リクエストを物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上で受信することと、
前記非周期的CSI報告リクエストが受信される前記PDCCHの最後のシンボルと、対応するCSI報告の伝送のための所定の上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップを決定することであって、ここで、前記タイムギャップはタイミングアドバンス値に基づいて決定される、決定することと、
閾値を決定することと、
決定されたタイムギャップが決定された閾値よりも短いかどうかを決定することと、
前記CSI報告を前記CSI報告リクエストに応じて伝送することであって、ここで、前記決定されたタイムギャップが前記閾値よりも長い、伝送することと、
を含む方法。 - 前記時間閾値は、報告されることになるフィードバックの粒度に基づいて決定される、請求項7に記載の方法。
- 前記WTRUは、タイプ1の単一パネルコードブックを採用し、伝送されるCSI報告は、前記タイプ1の単一パネルコードブックに従うフィードバックを含む、請求項7に記載の方法。
- 伝送されることになる前記CSIは、広帯域周波数粒度に対応する、請求項7に記載の方法。
- 伝送されることになる前記CSIは、最大4つのCSI−RSポートに対応する、請求項7に記載の方法。
- 前記時間閾値は、ニューメロロジーに従って決定される、請求項7に記載の方法。
- 前記時間閾値の前記決定に関連した1つまたは複数のパラメータを、無線リソース制御(Radio Resource Control:RRC)シグナリングを介して受信することをさらに含む、請求項7に記載の方法。
- 無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)によって実施される方法であって、
非周期的チャネル状態情報(Channel State Information:CSI)報告リクエストを物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上で受信することと、
前記非周期的CSI報告リクエストが受信される前記PDCCHの最後のシンボルと、対応する非周期的CSI報告の伝送のための所定の上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップを決定することと、
時間閾値を決定することと、
前記時間閾値が前記タイムギャップよりも短いかどうかを決定することと、
前記CSI報告リクエストに応答して、CSI報告を伝送しないことを決定することであって、ここで、前記時間閾値は、前記決定されたタイムギャップよりも長いと決定される、決定することと、
を含む方法。 - 前記時間閾値は、CSI報告帯域幅に基づいて決定される請求項14に記載の方法。
- 前記時間閾値は、前記WTRUによって使用されるいくつかのアンテナポートに基づいて決定される、請求項14に記載の方法。
- 前記時間閾値は、広帯域周波数帯域幅によって使用されるいくつかのアンテナポートに基づいて決定される、請求項14に記載の方法。
- 前記時間閾値は、コードブックタイプに基づいて決定される、請求項14に記載の方法。
- 前記決定されたタイムギャップは、タイミングアドバンスを含む、請求項14に記載の方法。
- 1つまたは複数の時間閾値パラメータを無線リソース制御(Radio Resource Control:RRC)シグナリングを介して受信することをさらに含む、請求項14に記載の方法。
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JP2022528402A (ja) * | 2019-03-30 | 2022-06-10 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 端末デバイスの能力を報告する方法および通信装置 |
WO2022130643A1 (ja) * | 2020-12-18 | 2022-06-23 | 株式会社Nttドコモ | 端末、無線通信方法及び基地局 |
WO2024075273A1 (ja) * | 2022-10-07 | 2024-04-11 | 株式会社Nttドコモ | 端末、無線通信方法及び基地局 |
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WO2018227538A1 (en) * | 2017-06-16 | 2018-12-20 | Qualcomm Incorporated | Reporting aperiodic csi via pucch |
CN109150256B (zh) * | 2017-06-16 | 2022-01-14 | 华为技术有限公司 | 通信方法、通信装置和系统 |
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