Terminal, radio communication method, base station, and system for controlling uplink control channel transmission
A terminal according to one aspect of the present disclosure includes: a receiving section that receives information relating to at least one of the number and indices of uplink control channel resource groups; and a control section that determines a corresponding relation between indices of the uplink control channel resource groups and a plurality of uplink control channel resources included in an uplink control channel resource set, based on the information.
1 . A terminal comprising:
a receiver that receives, per bandwidth part, higher layer signaling regarding three or more uplink control channel resource groups, spatial relation information corresponding to each of the three or more uplink control channel resource groups, and downlink control information including an uplink control channel (PUCCH) resource indicator (PRI) field with one of eight consecutive code points including 000,001,010,011,100,101,110,111; and
a processor, coupled to a memory, that controls, based on the higher layer signaling, the spatial relation information and the downlink control information, uplink control channel transmission using an uplink control channel resource indicated by one of the eight consecutive code points of the PRI field among eight uplink control channel resources having consecutive indices,
wherein each of the eight uplink control channel resources indicated by each of the eight consecutive code points is associated with one of the three or more uplink control channel resource group,
wherein, for each of the eight uplink control channel resources indicated by each of the eight consecutive code points, an uplink control channel resource group among the three or more uplink control channel resource groups is configured by the higher layer signaling, respectively, and,
wherein the uplink control channel resource group associated with four code points in the eight consecutive code points includes two units, each of which includes two consecutive code points and the two consecutive code points included in one unit and the two consecutive code points included in the other unit are nonconsecutive.
2 . A radio communication method for a terminal, comprising:
receiving, per bandwidth part, higher layer signaling regarding three or more uplink control channel resource groups spatial relation information corresponding to each of the three or more uplink control channel resource groups, and downlink control information including an uplink control channel (PUCCH) resource indicator (PRI) field with one of eight consecutive code points including 000,001,010,011,100,101,110,111; and
controlling, based on the higher layer signaling, the spatial relation information and the downlink control information, uplink control channel transmission using an uplink control channel resource indicated by one of the eight consecutive code points of the PRI field among eight uplink control channel resources having consecutive indices,
wherein each of the eight uplink control channel resources indicated by each of the eight consecutive code points is associated with one of the three or more uplink control channel resource group,
wherein, for each of the eight uplink control channel resources indicated by each of the eight consecutive code points, an uplink control channel resource group among the three or more uplink control channel resource groups is configured by the higher layer signaling, respectively, and,
wherein the uplink control channel resource group associated with four code points in the eight consecutive code points includes two units, each of which includes two consecutive code points and the two consecutive code points included in one unit and the two consecutive code points included in the other unit are nonconsecutive.
3 . A base station comprising:
a transmitter that transmits, to a terminal and per bandwidth part, higher layer signaling regarding three or more uplink control channel resource groups, spatial relation information corresponding to each of the three or more uplink control channel resource groups, and downlink control information including an uplink control channel (PUCCH) resource indicator (PRI) field with one of eight consecutive code points including 000,001,010,011,100,101, 110,111; and
a processor, coupled to a memory, that controls, based on the higher layer signaling, the spatial relation information and the downlink control information, reception of an uplink control channel transmitted using an uplink control channel resource indicated by one of the eight consecutive code points of the PRI field among eight uplink control channel resources having consecutive indices,
wherein each of the eight uplink control channel resources indicated by each of the eight consecutive code points is associated with one of the three or more uplink control channel resource group,
wherein, for each of the eight uplink control channel resources indicated by each of the eight consecutive code points, an uplink control channel resource group among the three or more uplink control channel resource groups is configured by the higher layer signaling, respectively, and,
wherein the uplink control channel resource group associated with four code points in the eight consecutive code points includes two units, each of which includes two consecutive code points and the two consecutive code points included in one unit and the two consecutive code points included in the other unit are nonconsecutive.
4 . A system comprising a terminal and a base station, wherein
the terminal comprises:
a receiver that receives, per bandwidth part, higher layer signaling regarding three or more uplink control channel resource groups, spatial relation information corresponding to each of the three or more uplink control channel resource groups, and downlink control information including an uplink control channel (PUCCH) resource indicator (PRI) field with one of eight consecutive code points including 000,001,010,011,100,101,110,111; and
a processor, coupled to a memory, that controls, based on the higher layer signaling, the spatial relation information and the downlink control information, uplink control channel transmission using an uplink control channel resource indicated by one of the eight consecutive code points of the PRI field among eight uplink control channel resources having consecutive indices,
wherein each of the eight uplink control channel resources indicated by each of the eight consecutive code points is associated with one of the three or more uplink control channel resource group,
wherein, for each of the eight uplink control channel resources indicated by each of the eight consecutive code points, an uplink control channel resource group among the three or more uplink control channel resource groups is configured by the higher layer signaling, respectively, and,
wherein the uplink control channel resource group associated with four code points in the eight consecutive code points includes two units, each of which includes two consecutive code points and the two consecutive code points included in one unit and the two consecutive code points included in the other unit are nonconsecutive, and
the base station comprises:
a transmitter that transmits the higher layer signaling, the spatial relation information and the downlink control information; and
a processor, coupled to a memory, that controls reception of the uplink control channel transmitted, using the uplink control channel resource, from the terminal.