Method and device in UE and base station for wireless communication

1. A method in a User Equipment (UE) for wireless communication, comprising:

transmitting K pieces of first-type information through an air interface, the K being a positive integer greater than 1;

wherein the K pieces of first-type information indicate multi-antenna related capabilities of the UE under K transmission configurations respectively; the K transmission configurations all correspond to a first frequency band combination, and the first frequency band combination comprises one or more frequency bands; numbers of parallel carriers corresponding to the K transmission configurations belong to K first-type integer sets respectively, any one of the K first-type integer sets is composed of one or more positive integers, and any two of the K first-type integer sets are different, the K pieces of first-type information belong to a UE-NR-Capability IE, the multi-antenna related capability comprises a number of layers; the K pieces of first-type information are included in a first radio signal; the transmitting of the first radio signal is a response from the UE to a UECapabilityEnquiry Information Element, the K pieces of first-type information belong to a UECapabilityInformation IE.

2. The method according to claim 1 , a number of frequency bands included in the first frequency band combination is indicated by a maxSimultaneousBands field, or, each frequency band in the first frequency band combination is indicated by a bandEUTRA field carried in the first radio signal.

3. The method according to claim 1 , comprising:

receiving a second signaling; and

receiving L1 radio signal(s) in L1 carrier(s) respectively, or transmitting L1 radio signal(s) in L1 carrier(s) respectively;

wherein the second signaling indicates L2 carrier(s), the L1 carrier(s) is(are) a subset of the L2 carrier(s), the L2 is a positive integer not less than the L 1 , the L2 belongs and only belongs to a target first-type integer set among the K first-type integer sets, the target first-type integer set corresponds to a target transmission configuration among the K transmission configurations, and the multi-antenna related capability under the target transmission configuration is used for determining a number of antenna ports transmitting each of the L1 radio signal(s).

4. The method according to claim 3 , comprising:

receiving L1 scheduling signaling(s) through the air interface;

wherein the L1 scheduling signaling(s) is(are) one-to-one corresponding to the L1 radio signal(s), and each of the L1 scheduling signaling(s) comprises configuration information of a corresponding radio signal; and the multi-antenna related capability under the target transmission configuration is used for determining at least one of a payload size of each of the L1 scheduling signaling(s) or a format of each of the L1 scheduling signaling(s).

5. The method according to claim 1 , wherein the multi-antenna related capability includes a number of layers for downlink reception, one layer is mapped to one antenna port.

6. The method according to claim 1 , wherein the multi-antenna related capability includes a number of layers for downlink reception and a number of layers for uplink transmission; a number of layers supported by the multi-antenna related capability corresponding to one of the K transmission configurations is 1, 2, 4 or 8; one layer is mapped to one or more antenna ports.

7. A method in a base station for wireless communication, comprising:

receiving K pieces of first-type information through an air interface, the K being a positive integer greater than 1;

wherein the K pieces of first-type information indicate multi-antenna related capabilities of a transmitter of the K pieces of first-type information under K transmission configurations; the K transmission configurations all correspond to a first frequency band combination, and the first frequency band combination comprises one or more frequency bands; numbers of parallel carriers corresponding to the K transmission configurations belong to K first-type integer sets respectively, any one of the K first-type integer sets is composed of one or more positive integers, and any two of the K first-type integer sets are different, the K pieces of first-type information belong to a UE-NR-Capability IE, the multi-antenna related capability comprises a number of layers; the K pieces of first-type information are included in a first radio signal; the transmitting of the first radio signal is a response from the UE to a UECapabilityEnquiry Information Element, the K pieces of first-type information belong to a UECapabilityInformation IE.

8. The method according to claim 7 , a number of frequency bands included in the first frequency band combination is indicated by a maxSimultaneousBands field, or, each frequency band in the first frequency band combination is indicated by a bandEUTRA field carried in the first radio signal.

9. The method according to claim 6 , wherein the multi-antenna related capability includes a number of layers for downlink reception, one layer is mapped to one antenna port.

10. The method according to claim 6 , wherein the multi-antenna related capability includes a number of layers for downlink reception and a number of layers for uplink transmission; a number of layers supported by the multi-antenna related capability corresponding to one of the K transmission configurations is 1, 2, 4 or 8; one layer is mapped to one or more antenna ports.

11. A User Equipment (UE) for wireless communication, comprising:

a first transmitter, to transmit K pieces of first-type information through an air interface, the K being a positive integer greater than 1;

wherein the K pieces of first-type information indicate multi-antenna related capabilities of the UE under K transmission configurations respectively; the K transmission configurations all correspond to a first frequency band combination, and the first frequency band combination comprises one or more frequency bands; numbers of parallel carriers corresponding to the K transmission configurations belong to K first-type integer sets respectively, any one of the K first-type integer sets is composed of one or more positive integers, and any two of the K first-type integer sets are different, the K pieces of first-type information belong to a UE-NR-Capability IE, the multi-antenna related capability comprises a number of layers; the K pieces of first-type information are included in a first radio signal; the transmitting of the first radio signal is a response from the UE to a UECapabilityEnquiry Information Element, the K pieces of first-type information belong to a UECapabilityInformation IE.

12. The UE according to claim 11 , a number of frequency bands included in the first frequency band combination is indicated by a maxSimultaneousBands field, or, each frequency band in the first frequency band combination is indicated by a bandEUTRA field carried in the first radio signal.

13. The UE according to claim 11 , wherein

the first receiver further receives a second signaling;

and the UE comprises:

a first processor, to receive L1 radio signal(s) in L1 carrier(s) respectively, or to transmit L1 radio signal(s) in L1 carrier(s) respectively;

wherein the second signaling indicates L2 carrier(s), the L1 carrier(s) is(are) a subset of the L2 carrier(s), the L2 is a positive integer not less than the L1, the L2 belongs and only belongs to a target first-type integer set among the K first-type integer sets, the target first-type integer set corresponds to a target transmission configuration among the K transmission configurations, and the multi-antenna related capability under the target transmission configuration is used for determining a number of antenna ports transmitting each of the L1 radio signal(s).

14. The UE according to claim 11 , wherein

the first receiver receives L1 scheduling signaling(s) through the air interface;

wherein the L1 scheduling signaling(s) is(are) one-to-one corresponding to the L1 radio signal(s), and each of the L1 scheduling signaling(s) comprises configuration information of a corresponding radio signal; and the multi-antenna related capability under the target transmission configuration is used for determining at least one of a payload size of each of the L1 scheduling signaling(s) or a format of each of the L1 scheduling signaling(s).

15. The UE according to claim 11 , wherein the multi-antenna related capability includes a number of layers for downlink reception, one layer is mapped to one antenna port.

16. The method according to claim 11 , wherein the multi-antenna related capability includes a number of layers for downlink reception and a number of layers for uplink transmission; a number of layers supported by the multi-antenna related capability corresponding to one of the K transmission configurations is 1, 2, 4 or 8; one layer is mapped to one or more antenna ports.

17. A base station for wireless communication, comprising:

a second receiver, to receive K pieces of first-type information through an air interface, the K being a positive integer greater than 1;

wherein the K pieces of first-type information indicate multi-antenna related capabilities of a transmitter of the K pieces of first-type information under K transmission configurations; the K transmission configurations all correspond to a first frequency band combination, and the first frequency band combination comprises one or more frequency bands; numbers of parallel carriers corresponding to the K transmission configurations belong to K first-type integer sets respectively, any one of the K first-type integer sets is composed of one or more positive integers, and any two of the K first-type integer sets are different, the K pieces of first-type information belong to a UE-NR-Capability IE, the multi-antenna related capability comprises a number of layers; the K pieces of first-type information are included in a first radio signal; the transmitting of the first radio signal is a response from the UE to a UECapabilityEnquiry Information Element, the K pieces of first-type information belong to a UECapabilityInformation IE.

18. The base station according to claim 17 , a number of frequency bands included in the first frequency band combination is indicated by a maxSimultaneousBands field, or, each frequency band in the first frequency band combination is indicated by a bandEUTRA field carried in the first radio signal.

19. The base station according to claim 17 , wherein the multi-antenna related capability includes a number of layers for downlink reception, one layer is mapped to one antenna port.

20. The method according to claim 17 , wherein the multi-antenna related capability includes a number of layers for downlink reception and a number of layers for uplink transmission; a number of layers supported by the multi-antenna related capability corresponding to one of the K transmission configurations is 1, 2, 4 or 8; one layer is mapped to one or more antenna ports.