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Detecting a control channel in a search space

專利號(hào)
US11997033B2
公開日期
2024-05-28
申請(qǐng)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(shù)領(lǐng)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

In another possible implementation, if a CRC of the control channel detected by the terminal device is scrambled by using a C-RNTI and/or a CS-RNTI, a start resource block of the data channel scheduled through the control channel is a start resource block in a bandwidth part (BWP), and the bandwidth part is a bandwidth part indicated by a first candidate control channel.

In another possible implementation, if a CRC of the control channel detected by the terminal device is scrambled by using a first RNTI, a start resource block of the data channel scheduled through the control channel is a start resource block in a control-resource set, or a start resource block of the data channel scheduled through the control channel is a width of a start resource in an initial bandwidth part.

Optionally, the first RNTI is an RNTI that does not include at least a C-RNTI and/or a CS-RNTI.

In another possible implementation, if a CRC of the control channel detected by the terminal device is scrambled by using an SI-RNTI or a P-RNTI, a start resource block of the data channel scheduled through the control channel is a start resource block in a control-resource set, and the control-resource set is a control-resource set associated with a search space set in which the control channel is located; or a start resource block of the data channel scheduled through the control channel is a width of a start resource in an initial bandwidth part.

In another possible implementation, if a CRC of the control channel detected by the terminal device is scrambled by using a second RNTI, a start resource block of the data channel scheduled through the control channel is a start resource block in a bandwidth part (BWP), and the bandwidth part is a bandwidth part indicated by a first candidate control channel.

權(quán)利要求

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