Method, user equipment, and base station used for wireless communication utilizing combination lists for DCI associated with multiple cells
A first node receives a first signaling and a first DCI; where the first signaling indicates a type of each combination in a first combination list, and candidates of the type of each combination in the first combination list include at least a first type and a second type; each combination in the first combination list comprises a first name, the first name being a name of a DCI field; the first DCI comprises a first field, and the first field of the first DCI indicates multiple cells; the first DCI comprises and only comprises M field(s), and a name of each of the M field(s) is the first name. Application is applicable to different kinds of scenarios by configuring types of multiple DCI fields via RRC signaling, which reduces the DCI overhead.
1 . A user equipment (UE) configured for wireless communications, the UE comprising:
a transceiver configured to receive a first signaling and a first downlink control information (DCI), wherein the first signaling indicates a type of each combination in a first combination list, and candidates of the type of each combination in the first combination list include at least a first type and a second type, wherein each combination in the first combination list only comprises a first name, the first name being a name of a DCI field, wherein the first DCI comprises a first field, and the first field of the first DCI indicates multiple cells, wherein the first DCI comprises and only comprises a number of fields (M) of which a name of each field is the first name, and
the transceiver is configured to, in response to receiving the first DCI, operate a first-type channel on each cell among the multiple cells,
wherein the transceiver is configured to receive and the first-type channel is a physical downlink shared channel (PDSCH), or the transceiver is configured to transmit and the first-type channel is a physical uplink shared channel (PUSCH), wherein M is configurable, and M is dependent on the type of a first combination, wherein when the type of the first combination is the first type, M is 1, wherein when the type of the first combination is the second type, M is greater than 1, wherein the first combination is one that belongs to the first combination list, and the first combination is related to the multiple cells, and wherein the first name is different from a name of the first field.
2 . The UE of claim 1 , wherein the first combination is a combination of which a position in the first combination list corresponds to a value of the first field of the first DCI.
3 . The UE of claim 1 , wherein the first signaling comprises a number (Q) of sub-parameters, where Q is equal to a number of combinations comprised in the first combination list; the first combination list comprises Q combinations, and the Q sub-parameters comprised by the first signaling are respectively used for indicating types of the Q combinations in the first combination list; the Q sub-parameters respectively comprise Q indexes; the Q indexes comprised by the Q sub-parameters are respectively related to Q cell sets, or, the Q indexes include an index equal to a value of the first field of the first DCI.
4 . The UE of claim 3 , wherein the multiple cells make up a cell set, and candidates of the multiple cells include the Q cell sets, wherein the Q indexes are respectively associated to the Q cell sets.
5 . The UE of claim 1 , wherein when the type of the first combination is the second type, the multiple cells comprise M cells, wherein the M fields are respectively used for scheduling of the M cells.
6 . The UE of claim 1 , wherein the type of each combination in the first combination list is the first type, wherein field(s) in the first DCI of which the name is the first name only include one field, and the only one field of which the name is the first name in the first DCI indicates same information for all cells among the multiple cells.
7 . The UE of claim 1 , wherein the first name includes SRS resource indicator, or includes antenna port.
8 . A base station configured for wireless communications, the base station comprising:
a transceiver configured to transmit a first signaling and a first downlink control information (DCI), wherein the first signaling indicates a type of each combination in a first combination list, and candidates of the type of each combination in the first combination list include at least a first type and a second type, wherein each combination in the first combination list only comprises a first name, the first name being a name of a DCI field, wherein the first DCI comprises a first field, and the first field of the first DCI indicates multiple cells, wherein the first DCI comprises and only comprises a number of fields (M) of which a name of each field is the first name; and
the transceiver is configured to, in response to transmitting the first DCI, execute a first-type channel on each cell among the multiple cells,
wherein the transceiver is configured to transmit and the first-type channel is a physical downlink shared channel (PDSCH), or the transceiver is configured to receive and the first-type channel is a a physical uplink shared channel (PUSCH), wherein M is configurable, and M is dependent on the type of a first combination, wherein when the type of the first combination is the first type, M is 1, wherein when the type of the first combination is the second type, M is greater than 1, wherein the first combination is one that belongs to the first combination list, and the first combination is related to the multiple cells, and wherein the first name is different from a name of the first field.
9 . The base station of claim 8 , wherein the first combination is a combination of which a position in the first combination list corresponds to a value of the first field of the first DCI.
10 . The base station of claim 8 , wherein the first signaling comprises a number (Q) of sub-parameters, where Q is equal to a number of combinations comprised in the first combination list; the first combination list comprises Q combinations, and the Q sub-parameters comprised by the first signaling are respectively used for indicating types of the Q combinations in the first combination list; the Q sub-parameters respectively comprise Q indexes; the Q indexes comprised by the Q sub-parameters are respectively related to Q cell sets, or, the Q indexes include an index equal to a value of the first field of the first DCI.
11 . The base station of claim 10 , wherein the multiple cells make up a cell set, and candidates of the multiple cells include the Q cell sets, wherein the Q indexes are respectively associated to the Q cell sets.
12 . The base station of claim 8 , wherein the type of each combination in the first combination list is the first type, wherein field(s) in the first DCI of which the name is the first name only includes one field, and the only one field of which the name is the first name in the first DCI indicates same information for all cells among the multiple cells.
13 . The base station according to claim 8 , wherein the first name includes SRS resource indicator, or includes antenna port.
14 . A method for use in a user equipment (UE) configured for wireless communications, the method comprising:
receiving a first signaling and a first downlink control information (DCI), wherein the first signaling indicates a type of each combination in a first combination list, and candidates of the type of each combination in the first combination list include at least a first type and a second type, wherein each combination in the first combination list only comprises a first name, the first name being a name of a DCI field, wherein the first DCI comprises a first field, and the first field of the first DCI indicates multiple cells, wherein the first DCI comprises and only comprises a number of fields (M) of which a name of each field is the first name; and
operating, in response to receiving the first DCI, a first-type channel on each cell among the multiple cells,
wherein the operating is receiving and the first-type channel is a physical downlink shared channel (PDSCH), or the operating is transmitting and the first-type channel is a physical uplink shared channel (PUSCH), wherein M is configurable, and M is dependent on the type of a first combination, wherein when the type of the first combination is the first type, M is 1, wherein when the type of the first combination is the second type, M is greater than 1, wherein the first combination is one that belongs to the first combination list, and the first combination is related to the multiple cells, and wherein the first name is different from a name of the first field.
15 . The method of claim 14 , wherein the first combination is a combination of which a position in the first combination list corresponds to a value of the first field of the first DCI.
16 . The method of claim 14 , wherein the first signaling comprises a number (Q) of sub-parameters, where Q is equal to a number of combinations comprised in the first combination list; the first combination list comprises Q combinations, and the Q sub-parameters comprised by the first signaling are respectively used for indicating types of the Q combinations in the first combination list; the Q sub-parameters respectively comprise Q indexes; the Q indexes comprised by the Q sub-parameters are respectively related to Q cell sets, or, the Q indexes include an index equal to a value of the first field of the first DCI.
17 . The method of claim 16 , wherein the multiple cells make up a cell set, and candidates of the multiple cells include the Q cell sets, wherein Q indexes are respectively associated to the Q cell.
18 . The method of claim 14 , wherein when the type of the first combination is the second type, the multiple cells comprise M cells, and the M fields are respectively used for scheduling of the M cells.
19 . The method of claim 14 , wherein the type of each combination in the first combination list is the first type, wherein field(s) in the first DCI of which the name is the first name only include one field, and the only one field of which the name is the first name in the first DCI indicates same information for all cells among the multiple cells.
20 . The method of claim 14 , wherein the first name includes SRS resource indicator, or includes antenna port.