Terminal, radio communication method, and base station
A terminal according to an aspect of the present disclosure includes a receiving section that receives information associating a plurality of physical downlink control channel (PDCCH) candidates with respectively a plurality of different transmission configuration indication (TCI) states, and a control section that monitors at least one of the plurality of PDCCH candidates by use of a corresponding TCI state, based on the information. According to an aspect of the present disclosure, a PDCCH can be appropriately received.
1 . A terminal comprising:
a receiver that receives information associating first and second search spaces with first and second different transmission configuration indication (TCI) states which are different from each other, respectively; and
a processor that respectively applies, based on the information, the first and second TCI states to the first and second search spaces, and respectively monitors first and second physical downlink control channel (PDCCH) candidates in the first and second search spaces,
wherein the first and second PDCCH candidates correspond to PDCCH repetitions,
the first and second search spaces correspond to first and second resources, respectively,
the first and second resources overlap each other, and
the first search space has a lowest search space ID among search space IDs corresponding to the first and second resources.
2 . The terminal according to claim 1 , wherein:
the first and second TCI states have first and second spatial reception parameters, respectively; and
the processor monitors the first and second PDCCH candidates simultaneously.
3 . The terminal according to claim 2 , wherein the processor controls reporting of a capability indicating support of simultaneously monitoring the first and second PDCCH candidates corresponding to the first and second spatial reception parameters.
4 . A radio communication method for a terminal, comprising:
receiving information associating first and second search spaces with first and second transmission configuration indication (TCI) states which are different from each other, respectively; and
respectively applying, based on the information, the first and second TCI states to the first and second search spaces, and respectively monitoring first and second physical downlink control channel (PDCCH) candidates in the first and second search spaces,
wherein the first and second PDCCH candidates correspond to PDCCH repetitions,
the first and second search spaces correspond to first and second resources, respectively,
the first and second resources overlap each other, and
the first search space has a lowest search space ID among search space IDs corresponding to the first and second resources.
5 . A base station comprising:
a transmitter that transmits information associating first and second search spaces with first and second transmission configuration indication (TCI) states which are different from each other, respectively; and
a processor that controls at least one transmission of first and second physical downlink control channels (PDCCHs) in the first and second search spaces,
wherein the first and second TCI states are applied to the first and second search spaces, respectively, and
wherein the first and second PDCCHs correspond to PDCCH repetitions,
the first and second search spaces correspond to first and second resources, respectively,
the first and second resources overlap each other, and
the first search space has a lowest search space ID among search space IDs corresponding to the first and second resources.
6 . A system comprising a terminal and a base station, wherein
the terminal comprises:
a receiver that receives information associating first and second search spaces with first and second transmission configuration indication (TCI) states which are different from each other, respectively; and
a processor that respectively applies, based on the information, the first and second different TCI states to the first and second search spaces, and respectively monitors first and second physical downlink control channel (PDCCH) candidates in the first and second search spaces,
wherein the first and second PDCCH candidates correspond to PDCCH repetitions, and
the base station transmits the information,
the first and second search spaces correspond to first and second resources, respectively,
the first and second resources overlap each other, and
the first search space has a lowest search space ID among search space IDs corresponding to the first and second resources.