JP7018137B2 - 無線通信システムにおけるサイドリンクharqフィードバックと関連した情報に基づいてリソース選択ウィンドウを決定する方法及び装置 - Google Patents
無線通信システムにおけるサイドリンクharqフィードバックと関連した情報に基づいてリソース選択ウィンドウを決定する方法及び装置 Download PDFInfo
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Description
Claims (14)
- 無線通信システムにおいて第1の装置がサイドリンク(SL)HARQフィードバックを実行するための方法において、
RRCシグナリングを介して、前記SL HARQフィードバックに関連する情報を受信するステップと、
SL送信に関連するリソースを選択するための選択ウィンドウを決定するステップと、
前記選択ウィンドウ内の最小時間区間を保証する第1のSLリソースと第2のSLリソースを選択するステップと、
前記第1のSLリソースに基づいて、第2の装置に、前記SL HARQフィードバックが有効であるSLデータを送信するステップと、
前記第2の装置から、前記SLデータと関連する前記SL HARQフィードバックを受信するステップと、
を含み、
前記最小時間区間は、(i)前記第1の装置が前記SLデータを前記第2の装置に送信する第1の時間から、(ii)前記SL HARQフィードバックの受信に基づいて、前記第1の装置が前記SLデータを前記第2の装置に再送信する第2の時間までに必要な時間区間であり、
再送信の最大回数が設定され、
前記SLデータは、前記再送信の最大回数以下で送信される、方法。 - 前記選択ウィンドウは、第1の選択ウィンドウと第2の選択ウィンドウを含み、
前記第1のSLリソースは、前記第1の選択ウィンドウ内の前記最小時間区間に基づいて選択され、
前記第2のSLリソースは、前記第2の選択ウィンドウ内の前記最小時間区間に基づいて選択される、請求項1に記載の方法。 - 前記第2のSLリソースに基づいて、前記SLデータを前記第2の装置に再送信するステップを更に含み、
前記SL HARQフィードバックは、SL HARQ NACKである、請求項1に記載の方法。 - 前記SL送信に関連する前記リソースをセンシングするステップを更に含む、請求項1に記載の方法。
- 前記SL HARQフィードバックに関連する前記情報は、前記再送信の最大回数、再送信のデフォルト回数、又はHARQ RTTの少なくとも1つを含む、請求項1に記載の方法。
- 前記再送信の最大回数は、前記第1の装置に許可された前記SLデータの再送信の回数であり、
前記再送信のデフォルト回数は、前記第1の装置に要求される前記SLデータの再送信の回数である、請求項5に記載の方法。 - 前記選択ウィンドウは、前記選択ウィンドウの時間区間、前記再送信の最大回数、及び前記HARQ RTTに基づいて調節される、請求項6に記載の方法。
- 前記選択ウィンドウは、前記選択ウィンドウの時間区間、前記再送信の最大回数、及び遅延可能な最大時間値を適用するHARQ RTTに基づいて調節される、請求項6に記載の方法。
- 前記選択ウィンドウは、前記SL HARQフィードバックに関連する前記情報及び前記第1の装置の能力に関連する情報に基づいて調節される、請求項6に記載の方法。
- 前記選択ウィンドウは、前記SL HARQフィードバックに関連する前記情報及び前記SLデータに関連する信頼度情報に基づいて調節される、請求項6に記載の方法。
- 前記選択ウィンドウは、前記SL HARQフィードバックに関連する前記情報及び前記SLデータに関連する優先順位情報に基づいて調節される、請求項6に記載の方法。
- 前記選択ウィンドウは、前記SL HARQフィードバックに関連する前記情報及び前記SLデータに関連するチャネル情報に基づいて調節される、請求項6に記載の方法。
- 無線通信におけるサイドリンク(SL)HARQフィードバックを実行する第1の装置において、
命令を格納する1つ以上のメモリと、
1つ以上の送受信機と、
前記1つ以上のメモリと前記1つ以上の送受信機を連結する1つ以上のプロセッサと、を含み、
前記1つ以上のプロセッサは、
RRCシグナリングを介して、前記SL HARQフィードバックに関連する情報を受信し、
SL送信に関連するリソースを選択するための選択ウィンドウを決定し、
前記選択ウィンドウ内の最小時間区間を保証する第1のSLリソースと第2のSLリソースを選択し、
前記第1のSLリソースに基づいて、第2の装置に、前記SL HARQフィードバックが有効であるSLデータを送信し、
前記第2の装置から、前記SLデータと関連する前記SL HARQフィードバックを受信するための命令を実行し、
前記最小時間区間は、(i)前記第1の装置が前記SLデータを前記第2の装置に送信する第1の時間から、(ii)前記SL HARQフィードバックの受信に基づいて、前記第1の装置が前記SLデータを前記第2の装置に再送信する第2の時間までに必要な時間区間であり、
再送信の最大回数が設定され、
前記SLデータは、前記再送信の最大回数以下で送信される、装置。 - 第1の端末を制御するよう構成された装置において、
1つ以上のプロセッサと、
前記1つ以上のプロセッサと動作可能に連結可能であり、命令を格納する1つ以上のメモリと、を含み、
前記1つ以上のプロセッサは、
RRCシグナリングを介して、サイドリンク(SL)HARQフィードバックに関連する情報を受信し、
SL送信に関連するリソースを選択するための選択ウィンドウを決定し、
前記選択ウィンドウ内の最小時間区間を保証する第1のSLリソースと第2のSLリソースを選択し、
前記第1のSLリソースに基づいて、第2の端末に、前記SL HARQフィードバックが有効であるSLデータを送信し、
前記第2の端末から、前記SLデータと関連する前記SL HARQフィードバックを受信するための前記命令を実行し、
前記最小時間区間は、(i)前記第1の端末が前記SLデータを前記第2の端末に送信する第1の時間から、(ii)前記SL HARQフィードバックの受信に基づいて、前記第1の端末が前記SLデータを前記第2の端末に再送信する第2の時間までに必要な時間区間であり、
再送信の最大回数が設定され、
前記SLデータは、前記再送信の最大回数以下で送信される、装置。
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US10992424B2 (en) | 2021-04-27 |
CN111527784B (zh) | 2024-10-18 |
KR102224410B1 (ko) | 2021-03-08 |
CN111527784A (zh) | 2020-08-11 |
EP3706493A1 (en) | 2020-09-09 |
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US20210226735A1 (en) | 2021-07-22 |
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