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Detecting a control channel in a search space

專利號
US11997033B2
公開日期
2024-05-28
申請人
HUAWEI TECHNOLOGIES CO., LTD.（CN Shenzhen）
發(fā)明人
Xu Zhang; Fei Gao; Shujing Yu; Lixia Xue
IPC分類
H04L5/00; H04W72/0453; H04W72/23
技術領域
candidate,channel,control,search,cce,space,channels,resource,in,rnti
地域： Guangdong

摘要

This application provides a control channel detection method, apparatus, and device. The method includes: A terminal device determines that resources of at least two candidate control channels overlap, where any two of the at least two candidate control channels are located in different search spaces; and the terminal device detects only at least one first candidate control channel in the at least two candidate control channels. This improves control channel detection reliability.

說明書

For example, in the candidate control channels including the overlapping resources in the search space 1, candidate control channels having even-numbered candidate control channel indexes are the first part of candidate control channels, and the candidate control channels having even-numbered indexes in the search space 1 are the candidate control channel 1 and the candidate control channel 3. In this case, the first part of candidate control channels include the candidate control channel 1 and the candidate control channel 3. Correspondingly, the second part of candidate control channels include the candidate control channel 5.

In this case, the terminal device detects the candidate control channel 1 and the candidate control channel 3 in the search space 1, and the terminal device detects the candidate control channel 5 in the search space 2.

For another example, in the candidate control channels including the overlapping resources in the search space 1, a candidate control channel having an odd-numbered candidate control channel index is the first part of candidate control channels, and the candidate control channel having an odd-numbered index in the search space 1 is the candidate control channel 2. In this case, the first part of candidate control channels include the candidate control channel 2. Correspondingly, the second part of candidate control channels include the candidate control channel 4 and the candidate control channel 6.

In this case, the terminal device detects the candidate control channel 2 in the search space 1, and the terminal device detects the candidate control channel 4 and the candidate control channel 6 in the search space 2.

In another possible manner, the second part of candidate control channels are determined based on candidate control channel indexes.

權利要求

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