Method and device in UE and base station used for wireless communication

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

transmitting first information;

wherein the first information comprises at least the former two of {K first-type indexes, K1 first-type indexes, K first-type numerical values}, and the K1 first-type indexes are a subset of the K first-type indexes; the K first-type indexes are used for determining K antenna port groups respectively, and one antenna port group comprises a positive integer number of antenna ports; the UE can receive simultaneously radio signals coming from K1 antenna port groups, the K1 antenna port groups are a subset of the K antenna port groups, and the K1 first-type indexes are used for determining the K1 antenna port groups respectively; the K first-type numerical values are used for determining K channel qualities respectively, and the K channel qualities are one-to-one corresponding to the K antenna port groups; the K1 first-type indexes comprise at least one given first-type index, and a position of the given first-type index in the K first-type indexes is used for determining whether an antenna port group corresponding to the given first-type index belongs to the K1 antenna port groups; and the K is a positive integer greater than 1, and the K1 is a positive integer greater than 1 but not greater than the K.

2. The method according to claim 1 , comprising:

receiving M reference signals;

wherein the M reference signals are transmitted by M antenna port groups respectively, the K antenna port groups are a subset of the M antenna port groups, and the M is a positive integer not less than the K.

3. The method according to claim 1 , wherein the K channel qualities comprise at least one first given channel quality, a difference between the first given channel quality and a first channel quality is related to a first-type numerical value corresponding to the first given channel quality, and the first channel quality is a channel quality in the K channel qualities that is not equal to the first given channel quality; or, the K first-type numerical values are arranged in order.

4. The method according to claim 3 , wherein the first channel quality is one channel quality of K1 channel qualities, the K1 channel qualities are channel qualities in the K channel qualities that are corresponding to the K1 antenna port groups respectively, K2 channel qualities consist of channel qualities in the K channel qualities that do not belong to the K1 channel qualities, and the K2 is equal to the K minus the K1; the K2 channel qualities comprise at least one second given channel quality, a difference between the second given channel quality and a second channel quality is related to a first-type numerical value corresponding to the second given channel quality, and the second channel quality is a channel quality in the K2 channel qualities that is not equal to the second given channel quality; or, K1 first-type numerical values and K2 first-type numerical values are arranged in order respectively, the K1 first-type numerical values and the K2 first-type numerical values are subsets of the K first-type numerical values respectively, the K1 first-type numerical values are one-to-one corresponding to the K1 channel qualities, and the K2 first-type numerical values are one-to-one corresponding to the K2 channel qualities.

5. The method according to claim 1 , comprising:

receiving downlink information;

wherein the downlink information is used for determining at least one of {the K, the K1}.

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

receiving first information;

wherein the first information comprises at least the former two of {K first-type indexes, K1 first-type indexes, K first-type numerical values}, and the K1 first-type indexes are a subset of the K first-type indexes; the K first-type indexes are used for determining K antenna port groups respectively, and one antenna port group comprises a positive integer number of antenna ports; the transmitter of the first information can receive simultaneously radio signals coming from K1 antenna port groups, the K1 antenna port groups are a subset of the K antenna port groups, and the K1 first-type indexes are used for determining the K1 antenna port groups respectively; the K first-type numerical values are used for determining K channel qualities respectively, and the K channel qualities are one-to-one corresponding to the K antenna port groups; the K1 first-type indexes comprise at least one given first-type index, and a position of the given first-type index in the K first-type indexes is used for determining whether an antenna port group corresponding to the given first-type index belongs to the K1 antenna port groups; and the K is a positive integer greater than 1, and the K1 is a positive integer greater than 1 but not greater than the K.

7. The method according to claim 6 , comprising:

transmitting M reference signals;

wherein the M reference signals are transmitted by M antenna port groups respectively, the K antenna port groups are a subset of the M antenna port groups, and the M is a positive integer not less than the K.

8. The method according to claim 6 , wherein the K channel qualities comprise at least one first given channel quality, a difference between the first given channel quality and a first channel quality is related to a first-type numerical value corresponding to the first given channel quality, and the first channel quality is a channel quality in the K channel qualities that is not equal to the first given channel quality; or, the K first-type numerical values are arranged in order.

9. The method according to claim 8 , wherein the first channel quality is one channel quality of K1 channel qualities, the K1 channel qualities are channel qualities in the K channel qualities that are corresponding to the K1 antenna port groups respectively, K2 channel qualities consist of channel qualities in the K channel qualities that do not belong to the K1 channel qualities, and the K2 is equal to the K minus the K1; the K2 channel qualities comprise at least one second given channel quality, a difference between the second given channel quality and a second channel quality is related to a first-type numerical value corresponding to the second given channel quality, and the second channel quality is a channel quality in the K2 channel qualities that is not equal to the second given channel quality; or, K1 first-type numerical values and K2 first-type numerical values are arranged in order respectively, the K1 first-type numerical values and the K2 first-type numerical values are subsets of the K first-type numerical values respectively, the K1 first-type numerical values are one-to-one corresponding to the K1 channel qualities, and the K2 first-type numerical values are one-to-one corresponding to the K2 channel qualities.

10. The method according to claim 6 , comprising:

transmitting downlink information;

wherein the downlink information is used for determining at least one of {the K, the K1}.

11. A UE device for wireless communication, comprising:

a first transmitter module, to transmit first information;

wherein the first information comprises at least the former two of {K first-type indexes, K1 first-type indexes, K first-type numerical values}, and the K1 first-type indexes are a subset of the K first-type indexes; the K first-type indexes are used for determining K antenna port groups respectively, and one antenna port group comprises a positive integer number of antenna ports; the UE can receive simultaneously radio signals coming from K1 antenna port groups, the K1 antenna port groups are a subset of the K antenna port groups, and the K1 first-type indexes are used for determining the K1 antenna port groups respectively; the K first-type numerical values are used for determining K channel qualities respectively, and the K channel qualities are one-to-one corresponding to the K antenna port groups; the K1 first-type indexes comprise at least one given first-type index, and a position of the given first-type index in the K first-type indexes is used for determining whether an antenna port group corresponding to the given first-type index belongs to the K1 antenna port groups; and the K is a positive integer greater than 1, and the K1 is a positive integer greater than 1 but not greater than the K.

12. The UE device according to claim 11 , comprising:

a first receiver module, to receive M reference signals;

wherein the M reference signals are transmitted by M antenna port groups respectively, the K antenna port groups are a subset of the M antenna port groups, and the M is a positive integer not less than K.

13. The UE device according to claim 11 , wherein the K channel qualities comprise at least one first given channel quality, a difference between the first given channel quality and a first channel quality is related to a first-type numerical value corresponding to the first given channel quality, and the first channel quality is a channel quality in the K channel qualities that is not equal to the first given channel quality; or, the K first-type numerical values are arranged in order.

14. The UE device according to claim 13 , wherein the first channel quality is one channel quality of K1 channel qualities, the K1 channel qualities are channel qualities in the K channel qualities that are corresponding to the K1 antenna port groups respectively, K2 channel qualities consist of channel qualities in the K channel qualities that do not belong to the K1 channel qualities, and the K2 is equal to the K minus the K1; the K2 channel qualities comprise at least one second given channel quality, a difference between the second given channel quality and a second channel quality is related to a first-type numerical value corresponding to the second given channel quality, and the second channel quality is a channel quality in the K2 channel qualities that is not equal to the second given channel quality; or, K1 first-type numerical values and K2 first-type numerical values are arranged in order respectively, the K1 first-type numerical values and the K2 first-type numerical values are subsets of the K first-type numerical values respectively, the K1 first-type numerical values are one-to-one corresponding to the K1 channel qualities, and the K2 first-type numerical values are one-to-one corresponding to the K2 channel qualities.

15. The UE device according to claim 11 , comprising:

a first receiver module, to receive downlink information;

wherein the downlink information is used for determining at least one of {the K, the K1}.

16. A base station device for wireless communication, comprising:

a second receiver module, to receive first information;

wherein the first information comprises at least the former two of {K first-type indexes, K1 first-type indexes, K first-type numerical values}, and the K1 first-type indexes are a subset of the K first-type indexes; the K first-type indexes are used for determining K antenna port groups respectively, and one antenna port group comprises a positive integer number of antenna ports; the transmitter of the first information can receive simultaneously radio signals coming from K1 antenna port groups, the K1 antenna port groups are a subset of the K antenna port groups, and the K1 first-type indexes are used for determining the K1 antenna port groups respectively; the K first-type numerical values are used for determining K channel qualities respectively, and the K channel qualities are one-to-one corresponding to the K antenna port groups; the K1 first-type indexes comprise at least one given first-type index, and a position of the given first-type index in the K first-type indexes is used for determining whether an antenna port group corresponding to the given first-type index belongs to the K1 antenna port groups; and the K is a positive integer greater than 1, and the K1 is a positive integer greater than 1 but not greater than the K.

17. The base station device according to claim 16 , comprising:

a second transmitter module, to transmit M reference signals;

wherein the M reference signals are transmitted by M antenna port groups respectively, the K antenna port groups are a subset of the M antenna port groups, and the M is a positive integer not less than the K.

18. The base station device according to claim 16 , wherein the K channel qualities comprise at least one first given channel quality, a difference between the first given channel quality and a first channel quality is related to a first-type numerical value corresponding to the first given channel quality, and the first channel quality is a channel quality in the K channel qualities that is not equal to the first given channel quality; or, the K first-type numerical values are arranged in order.

19. The base station device according to claim 18 , wherein the first channel quality is one channel quality of K1 channel qualities, the K1 channel qualities are channel qualities in the K channel qualities that are corresponding to the K1 antenna port groups respectively, K2 channel qualities consist of channel qualities in the K channel qualities that do not belong to the K1 channel qualities, and the K2 is equal to the K minus the K1; the K2 channel qualities comprise at least one second given channel quality, a difference between the second given channel quality and a second channel quality is related to a first-type numerical value corresponding to the second given channel quality, and the second channel quality is a channel quality in the K2 channel qualities that is not equal to the second given channel quality; or, K1 first-type numerical values and K2 first-type numerical values are arranged in order respectively, the K1 first-type numerical values and the K2 first-type numerical values are subsets of the K first-type numerical values respectively, the K1 first-type numerical values are one-to-one corresponding to the K1 channel qualities, and the K2 first-type numerical values are one-to-one corresponding to the K2 channel qualities.

20. The base station device according to claim 16 , comprising:

a second transmitter module, to transmit downlink information;

wherein the downlink information is used for determining at least one of {the K, the K1}.