JP6968914B2 - 無線通信システムにおける端末のサウンディング方法及びこのための装置 - Google Patents
無線通信システムにおける端末のサウンディング方法及びこのための装置 Download PDFInfo
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Description
Claims (12)
- 無線通信システムにおけるユーザ装置(UE)が上向きリンク送信を実行する方法であって、
基地局から、前記ユーザ装置に対するSRS資源に関連するサウンディング参照信号(SRS)設定情報を受信するステップと、
前記SRS資源の中から、それぞれが複数のSRS資源を含む複数のSRS資源セットを決定するステップと、
前記複数のSRS資源セットの中の各SRS資源セットに対し、前記SRS資源セット内の前記複数のSRS資源の全てに対し適用されるSRSの電力制御についての情報を決定するステップと、
前記基地局に送信するSRSを決定するステップであって、前記SRSは前記複数のSRS資源セットの中の第1のSRS資源セット内に含まれる、ステップと、
前記SRSを含む前記第1のSRS資源セットに関連する前記SRSの電力制御についての前記情報に基づいて、前記SRSに対する第1の送信電力を決定するステップと、
前記第1の送信電力を用いて、前記SRSを前記基地局に送信するステップと、を含み、
前記第1の送信電力は、経路−損失推定に関連する少なくとも1つのインデックスに基づいて決定され、
前記少なくとも1つのインデックスは、前記第1のSRS資源セット及び同期信号ブロック(SSB)に関連する、上向きリンク送信実行方法。 - 前記SRS資源セット内の前記複数のSRS資源の全てに対し適用される前記SRSの電力制御についての前記情報は、各SRS資源セットのSRSの電力制御に対するパラメータセットを含む、請求項1に記載の上向きリンク送信実行方法。
- 前記SRS資源セット内の前記複数のSRS資源の全てに対し適用される前記SRSの電力制御についての前記情報は、下向きリンクチャネルに対する下向きリンク経路−損失推定に関連する、請求項1に記載の上向きリンク送信実行方法。
- 前記下向きリンクチャネルに対する前記下向きリンク経路−損失推定は、前記少なくとも1つのインデックスに基づいて、前記ユーザ装置により決定される、請求項3に記載の上向きリンク送信実行方法。
- 下向きリンク参照信号は、前記基地局により送信される媒体接続制御制御要素(MAC−CE)により決定される、請求項4に記載の上向きリンク送信実行方法。
- 前記SRS資源セット内の前記複数のSRS資源の全てに対し適用される前記SRSの電力制御についての前記情報は、SRSの電力制御プロセスについての情報を含み、前記SRSの電力制御がそれに従い実行される、請求項1に記載の上向きリンク送信実行方法。
- 無線通信システムにおける上向きリンク送信を実行するよう構成されたユーザ装置(UE)において、
送受信機と、
少なくとも1つのプロセッサと、
前記少なくとも1つのプロセッサと動作可能に接続可能な少なくとも1つのコンピュータメモリと、を備え、
前記少なくとも1つのコンピュータメモリは、実行されるとき、前記少なくとも1つのプロセッサに、
基地局から、前記ユーザ装置に対するSRS資源に関連するサウンディング参照信号(SRS)設定情報を受信し、
前記SRS資源の中から、それぞれが複数のSRS資源を含む複数のSRS資源セットを決定し、
前記複数のSRS資源セットの中の各SRS資源セットに対し、前記SRS資源セット内の前記複数のSRS資源の全てに対し適用されるSRSの電力制御についての情報を決定し、
前記基地局に送信するSRSを決定し、前記SRSは前記複数のSRS資源セットの中の第1のSRS資源セット内に含まれ、
前記SRSを含む前記第1のSRS資源セットに関連する前記SRSの電力制御についての前記情報に基づいて、前記SRSに対する第1の送信電力を決定し、
前記第1の送信電力を用いて、前記SRSを前記送受信機を通じて前記基地局に送信することを含む動作を実行させる命令を格納し、
前記第1の送信電力は、経路−損失推定に関連する少なくとも1つのインデックスに基づいて決定され、
前記少なくとも1つのインデックスは、前記第1のSRS資源セット及び同期信号ブロック(SSB)に関連する、ユーザ装置。 - 前記SRS資源セット内の前記複数のSRS資源の全てに対し適用される前記SRSの電力制御についての前記情報は、各SRS資源セットのSRSの電力制御に対するパラメータセットを含む、請求項7に記載のユーザ装置。
- 前記SRS資源セット内の前記複数のSRS資源の全てに対し適用される前記SRSの電力制御についての前記情報は、下向きリンクチャネルに対する下向きリンク経路−損失推定に関連する、請求項7に記載のユーザ装置。
- 前記下向きリンクチャネルに対する前記下向きリンク経路−損失推定は、前記少なくとも1つのインデックスに基づいて、前記ユーザ装置により決定される、請求項9に記載のユーザ装置。
- 下向きリンク参照信号は、前記基地局により送信される媒体接続制御制御要素(MAC−CE)により決定される、請求項10に記載のユーザ装置。
- 前記SRS資源セット内の前記複数のSRS資源の全てに対し適用される前記SRSの電力制御についての前記情報は、SRSの電力制御プロセスについての情報を含み、前記SRSの電力制御がそれに従い実行される、請求項7に記載のユーザ装置。
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US20230023580A1 (en) * | 2019-09-24 | 2023-01-26 | Shanghai Langbo Communication Technology Company Limited | Method and device in node used for wireless communication |
US11791954B2 (en) * | 2019-09-24 | 2023-10-17 | Shanghai Langbo Communication Technology Company Limited | Method and device in node used for wireless communication |
US20230412327A1 (en) * | 2019-09-24 | 2023-12-21 | Shanghai Langbo Communication Technology Company Limited | Method and device in node used for wireless communication |
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KR102453541B1 (ko) | 2022-10-11 |
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EP3930389B1 (en) | 2023-12-27 |
KR20190039398A (ko) | 2019-04-11 |
EP3481113A4 (en) | 2020-03-04 |
US20190190747A1 (en) | 2019-06-20 |
EP3930389A1 (en) | 2021-12-29 |
RU2762242C2 (ru) | 2021-12-16 |
CN110710281A (zh) | 2020-01-17 |
AU2018263238B2 (en) | 2021-01-28 |
RU2019139249A3 (ja) | 2021-08-02 |
KR102247028B1 (ko) | 2021-04-29 |
EP3481113A1 (en) | 2019-05-08 |
EP3481113B1 (en) | 2021-10-13 |
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US10439847B2 (en) | 2019-10-08 |
US20190199554A1 (en) | 2019-06-27 |
BR112019015603A2 (pt) | 2020-03-17 |
JP2020510383A (ja) | 2020-04-02 |
WO2018203728A1 (ko) | 2018-11-08 |
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