Detecting a control channel in a search space
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
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A search space in which the second control channel is located is the first-type search space, a start resource block of a data channel scheduled through the second 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 second control channel is located; or
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- a search space in which the second control channel is located is the second-type search space, a start resource block of a data channel scheduled through the second control channel is a start resource block in a bandwidth part, and the bandwidth part is a bandwidth part indicated by the second control channel.
In another possible implementation, the at least two candidate control channels meet at least one of the following conditions:
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- the search spaces in which the at least two candidate control channels are located are located on a same component carrier or different component carriers;
- the at least two candidate control channels include a same start control channel element index;
- the at least two candidate control channels have a same payload size: and
- cyclic redundancy codes CRC of the at least two control channels are scrambled by using a cell radio network temporary identifier C-RNTI or a configured scheduling radio network temporary identifier CS-RNTI.
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