JP2023512896A - 無線通信システムにおいてビーム失敗復旧方法及び装置 - Google Patents
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Abstract
Description
Claims (18)
- 無線通信システムにおいて端末がビーム失敗復旧(beam failure recovery,BFR)を行う方法であって、前記方法は、
前記端末が支援するビーム失敗検出参照信号(beam failure detection-reference signal,BFD-RS)セット当たりにBFD-RSの最大個数を含む能力(capability)情報を基地局に送信する段階と、
少なくとも1つのBFD-RSセットに関連した情報が含まれた設定情報を前記基地局から受信する段階を含み、
前記少なくとも1つのBFD-RSセットのそれぞれは、前記最大個数以下のBFD-RSを含む、方法。 - 前記少なくとも1つのBFD-RSセットは、第1BFD-RSセット及び第2BFD-RSセットを含み、
前記第1BFD-RSセットは、第1制御リソースセット(control resource set,CORESET)グループに対応し、
前記第2BFD-RSセットは、第2CORESETグループに対応する、請求項1に記載の方法。 - 前記第1CORESETグループ又は前記第2CORESETグループに含まれた少なくとも1つのCORESETに対して設定された送信設定指示子(transmission configuration indicator,TCI)状態の個数が前記BFD-RSの最大個数を超えることに基づいて、前記第1BFD-RSセット又は前記第2BFD-RSセットに含まれるTCI状態に対応するBFD-RSは、前記少なくとも1つのCORESETのそれぞれに対応する検索空間(search space)のモニタリング周期(monitoring periodicity)に基づいて決定される、請求項2に記載の方法。
- 前記少なくとも1つのCORESETのうち、前記検索空間のモニタリング周期が最も短いCORESETに設定されたTCI状態に対応するBFD-RSが優先して前記第1BFD-RSセット又は前記第2BFD-RSセットに含まれる、請求項3に記載の方法。
- 前記少なくとも1つのCORESETのそれぞれに対応する検索空間のモニタリング周期が互いに同一であることに基づいて、前記第1BFD-RSセット又は前記第2BFD-RSセットに含まれるBFD-RSに対応するTCI状態が設定されたCORESETは、前記少なくとも1つのCORESETのインデックス値に基づいて決定される、請求項3に記載の方法。
- 前記少なくとも1つのCORESETのうちインデックス値の最も大きいCORESETに設定されたTCI状態に対応するBFD-RSが優先して前記第1BFD-RSセット又は前記第2BFD-RSセットに含まれる、請求項5に記載の方法。
- 前記能力情報は、
前記端末の支援する前記第1BFD-RSセット及び前記第2BFD-RSセットに含まれ得る総BFD-RSの個数を含む、請求項2に記載の方法。 - 前記能力情報は、
前記端末の支援する前記第1CORESETグループ又は前記第2CORESETグループに含まれた少なくとも1つのCORESETに対して設定されたTCI状態の個数を含む、請求項2に記載の方法。 - 前記最大個数以下のBFD-RSが含まれた前記少なくとも1つのBFD-RSセットからビーム失敗インスタンス(beam failure instance,BFI)を検出する、請求項1に記載の方法。
- 前記BFD-RSは、CSI-RS(channel state information-reference signal)又はSSB(synchronization signal block)のうち少なくとも1つである、請求項1に記載の方法。
- 前記TCI状態は、QCL(quasi co-location)関係を有するRSを指示する情報を含む、請求項3に記載の方法。
- 前記少なくとも1つのBFD-RSセットに関連した情報は、
特定制御リソースセット(control resource set,CORESET)に対して設定される1つ以上の送信設定指示子(transmission configuration indicator,TCI)状態に関する設定情報を含む、請求項1に記載の方法。 - 前記少なくとも1つのBFD-RSセットに関連した情報は、
それぞれのBFD-RSセットに含まれるRSを指示する情報を含む、請求項1に記載の方法。 - 無線通信システムにおいてビーム失敗復旧(beam failure recovery,BFR)を行う端末であって、前記端末は、
1つ以上の送受信機(transceiver)と、
前記1つ以上の送受信機と連結された1つ以上のプロセッサを含み、
前記1つ以上のプロセッサは、
前記端末の支援するビーム失敗検出参照信号(beam failure detection-reference signal,BFD-RS)セット別に含まれ得るBFD-RSの最大個数を含む能力(capability)情報を基地局に前記1つ以上の送受信機を介して送信し、
少なくとも1つのBFD-RSセットに関連した情報が含まれた設定情報を、前記基地局から前記1つ以上の送受信機を介して受信するように設定され、
前記少なくとも1つのBFD-RSセットのそれぞれは、前記最大個数以下のBFD-RSリソースを含む、方法。 - 無線通信システムにおいて基地局がビーム失敗復旧(beam failure recovery,BFR)を行う方法であって、前記方法は、
端末の支援するビーム失敗検出参照信号(beam failure detection-reference signal,BFD-RS)セット別に含まれ得るBFD-RSの最大個数を含む能力(capability)情報を、端末から受信する段階と、
少なくとも1つのBFD-RSセットに関連した情報が含まれた設定情報を、前記端末に送信する段階を含み、
前記少なくとも1つのBFD-RSセットのそれぞれは、前記最大個数以下のBFD-RSリソースを含む、方法。 - 無線通信システムにおいてビーム失敗復旧(beam failure recovery,BFR)を行う基地局であって、前記基地局は、
1つ以上の送受信機(transceiver)と、
前記1つ以上の送受信機と連結された1つ以上のプロセッサを含み、
前記1つ以上のプロセッサは、
端末の支援するビーム失敗検出参照信号(beam failure detection-reference signal,BFD-RS)セット別に含まれ得るBFD-RSの最大個数を含む能力(capability)情報を前記端末から前記1つ以上の送受信機を介して受信し、
少なくとも1つのBFD-RSセットに関連した情報が含まれた設定情報を前記端末に前記1つ以上の送受信機を介して送信するように設定され、
前記少なくとも1つのBFD-RSセットのそれぞれは、前記最大個数以下のBFD-RSリソースを含む、基地局。 - 無線通信システムにおいてビーム失敗復旧(beam failure recovery,BFR)を行うために端末を制御するように設定されるプロセシング装置であって、前記プロセシング装置は、
1つ以上のプロセッサと、
前記1つ以上のプロセッサに動作可能に連結され、前記1つ以上のプロセッサによって実行されることに基づいて、動作を行う命令(instruction)を記憶する1つ以上のコンピュータメモリを含み、
前記動作は、
前記端末の支援するビーム失敗検出参照信号(beam failure detection-reference signal,BFD-RS)セット別に含まれ得るBFD-RSの最大個数を含む能力(capability)情報を基地局に送信する動作と、
少なくとも1つのBFD-RSセットに関連した情報が含まれた設定情報を前記基地局から受信する動作を含み、
前記少なくとも1つのBFD-RSセットのそれぞれは、前記最大個数以下のBFD-RSリソースを含む、プロセシング装置。 - 1つ以上の命令を記憶する1つ以上の非一時的(non-transitory)コンピュータ可読媒体であって、
前記1つ以上の命令は1つ以上のプロセッサによって実行され、無線通信システムにおいてビーム失敗復旧(beam failure recovery,BFR)を行う装置が、
端末の支援するビーム失敗検出参照信号(beam failure detection-reference signal,BFD-RS)セット別に含まれ得るBFD-RSの最大個数を含む能力(capability)情報を基地局に送信し、
少なくとも1つのBFD-RSセットに関連した情報が含まれた設定情報を前記基地局から受信するように制御し、
前記少なくとも1つのBFD-RSセットのそれぞれは、前記最大個数以下のBFD-RSリソースを含む、コンピュータ可読媒体。
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US20220240293A1 (en) * | 2021-01-25 | 2022-07-28 | Qualcomm Incorporated | Ue capability of bfd rs per beam group |
US20230032365A1 (en) * | 2021-08-02 | 2023-02-02 | Qualcomm Incorporated | Identification of a beam failure detection reference signal and a new beam identification reference signal |
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CN110999471B (zh) * | 2017-06-16 | 2023-10-24 | Lg电子株式会社 | 在无线通信系统中执行波束故障恢复的方法及其设备 |
US10880761B2 (en) * | 2017-09-11 | 2020-12-29 | Qualcomm Incorporated | System and method for selecting resources to transmit a beam failure recovery request |
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JP7059373B2 (ja) * | 2017-11-17 | 2022-04-25 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおいてビーム失敗復旧を行う方法及びそのための装置 |
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2023
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US20230164865A1 (en) | 2023-05-25 |
EP4054107A1 (en) | 2022-09-07 |
CN115039363B (zh) | 2023-12-12 |
KR20220101116A (ko) | 2022-07-19 |
EP4054107A4 (en) | 2023-01-04 |
WO2022149774A1 (ko) | 2022-07-14 |
KR102562608B1 (ko) | 2023-08-02 |
US11963249B2 (en) | 2024-04-16 |
US20230327741A1 (en) | 2023-10-12 |
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