Method and device in UE and base station for multi-antenna communication

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

monitoring a first signaling set in a first time-frequency resource set;

transmitting a first radio signal; and

monitoring a second signaling set and a third signaling set in a second time-frequency resource set and a third time-frequency resource set respectively;

wherein the first signaling set, the second signaling set and third signaling set comprise M1 format(s) of physical layer signaling(s), M2 format(s) of physical layer signaling(s) and M3 format(s) of physical layer signaling(s) respectively, the M1, the M2 and the M3 being positive integers respectively; the first radio signal is used for triggering a monitoring of the second signaling set; and the first radio signal is used for determining that a number of maximum blind decoding times for the third signaling set in the third time-frequency resource set changes from X1 to X3, the X1 and the X3 being positive integers respectively, and the X1 being greater than the X3; the first radio signal is transmitted in a Random Access Channel (RACH), or the first radio signal is transmitted in an UL-SCH (Uplink Shared Channel), or the first radio signal is transmitted in Uplink Control Information (UCI).

2. The method according to claim 1 , wherein a maximum of X1 times of blind decoding are performed for the first signaling set in the first time-frequency resource set, a maximum of X2 time(s) of blind decoding is(are) performed for the second signaling set in the second time-frequency resource set, and a maximum of X3 time(s) of blind decoding is(are) performed for the third signaling set in the third time-frequency resource set; a number of REs comprised in the first signaling set is the same as a number of REs comprised in the third signaling set; and the X2 is a positive integer less than the X1;

or, wherein a pattern of REs comprised in the first time-frequency resource set in a first time-frequency resource block is the same as a pattern of REs comprised in the third time-frequency resource set in a second time-frequency resource block, the first time-frequency resource set and the third time-frequency resource set belong to the first time-frequency resource block and the second time-frequency resource block respectively, the first time-frequency resource block and the second time-frequency resource block occupy same frequency-domain resources, the first time-frequency resource block and the second time-frequency resource block occupy a same length of time in time domain.

3. The method according to claim 1 , wherein the X1 times of blind decoding correspond to X1 first-type RE sets respectively, the X3 time(s) of blind decoding corresponds (correspond) to X3 second-type RE set(s) respectively, a pattern of the X3 second-type RE set(s) in the second time-frequency resource block is the same as a pattern of X3 first-type RE set(s) among the X1 first-type RE sets in the first time-frequency resource block, each of the X1 first-type RE sets is composed of a positive integer number of REs, and each of the X3 second-type RE set(s) is composed of a positive integer number of REs;

or, wherein a number of REs comprised in any one of the X1 first-type RE sets other than the X3 first-type RE set(s) is less than or equal to a number of REs comprised in any one of the X3 second-type RE set(s).

4. The method according to claim 1 , comprising:

monitoring K target radio signal(s) in K target antenna port group(s) respectively;

wherein the first radio signal is used for determining a first antenna port group, the first antenna port group comprises a positive integer number of antenna ports, the UE assumes that the second signaling set is transmitted by the first antenna port group; the K target radio signal(s) is(are) used for determining K channel quality (qualities), at least one of the K target antenna port group(s) is used for transmitting the first signaling set, the first antenna port group is one antenna port group other than the K target antenna port group(s), and the K is a positive integer.

5. The method according to claim 1 , comprising:

receiving a second radio signal;

wherein the second radio signal is used for determining a fourth time-frequency resource set and a fifth time-frequency resource set, the second time-frequency resource set belongs to the fourth time-frequency resource set, the first time-frequency resource set and the third time-frequency resource set both belong to the fifth time-frequency resource set.

6. A method in a base station for multi-antenna communication, comprising:

transmitting a first signaling set in a first time-frequency resource set;

receiving a first radio signal; and

transmitting a second signaling set and a third signaling set in a second time-frequency resource set and a third time-frequency resource set respectively;

wherein the first signaling set, the second signaling set and third signaling set comprise M1 format(s) of physical layer signaling(s), M2 format(s) of physical layer signaling(s) and M3 format(s) of physical layer signaling(s) respectively, the M1, the M2 and the M3 being positive integers respectively; the first radio signal is used for triggering a transmission of the second signaling set; and the first radio signal is used for determining that a number of maximum blind decoding times for the third signaling set in the third time-frequency resource set changes from X1 to X3, the X1 and the X3 being positive integers respectively, and the X1 being greater than the X3; the first radio signal is transmitted in a Random Access Channel (RACH), or the first radio signal is transmitted in an UL-SCH (Uplink Shared Channel), or the first radio signal is transmitted in Uplink Control Information (UCI).

7. The method according to claim 6 , wherein a maximum of X1 times of blind decoding are performed for the first signaling set in the first time-frequency resource set, a maximum of X2 time(s) of blind decoding is(are) performed for the second signaling set in the second time-frequency resource set, and a maximum of X3 time(s) of blind decoding is(are) performed for the third signaling set in the third time-frequency resource set; a number of REs comprised in the first signaling set is the same as a number of REs comprised in the third signaling set; and the X2 is a positive integer less than the X1;

or, wherein a pattern of REs comprised in the first time-frequency resource set in a first time-frequency resource block is the same as a pattern of REs comprised in the third time-frequency resource set in a second time-frequency resource block, the first time-frequency resource set and the third time-frequency resource set belong to the first time-frequency resource block and the second time-frequency resource block respectively, the first time-frequency resource block and the second time-frequency resource block occupy same frequency-domain resources, the first time-frequency resource block and the second time-frequency resource block occupy a same length of time in time domain.

8. The method according to claim 6 , wherein the X1 times of blind decoding correspond to X1 first-type RE sets respectively, the X3 time(s) of blind decoding corresponds (correspond) to X3 second-type RE set(s) respectively, a pattern of the X3 second-type RE set(s) in the second time-frequency resource block is the same as a pattern of X3 first-type RE set(s) among the X1 first-type RE sets in the first time-frequency resource block, each of the X1 first-type RE sets is composed of a positive integer number of REs, and each of the X3 second-type RE set(s) is composed of a positive integer number of REs;

or, wherein a number of REs comprised in any one of the X1 first-type RE sets other than the X3 first-type RE set(s) is less than or equal to a number of REs comprised in any one of the X3 second-type RE set(s).

9. The method according to claim 6 , comprising:

transmitting K target radio signal(s) in K target antenna port group(s) respectively;

wherein the first radio signal is used for determining a first antenna port group, the first antenna port group comprises a positive integer number of antenna ports, and the second signaling set is transmitted by the first antenna port group; the K target radio signal(s) is(are) used by a transmitter of the first radio signal to determine K channel quality (qualities) respectively, at least one of the K target antenna port group(s) is used for transmitting the first signaling set, the first antenna port group is one antenna port group other than the K target antenna port group(s), and the K is a positive integer.

10. The method according to claim 6 , comprising:

transmitting a second radio signal;

wherein the second radio signal is used for determining a fourth time-frequency resource set and a fifth time-frequency resource set, the second time-frequency resource set belongs to the fourth time-frequency resource set, the first time-frequency resource set and the third time-frequency resource set both belong to the fifth time-frequency resource set.

11. A UE for multi-antenna communication, comprising:

a first receiver, to monitor a first signaling set in a first time-frequency resource set;

a first transmitter, to transmit a first radio signal; and

a second receiver, to monitor a second signaling set and a third signaling set in a second time-frequency resource set and a third time-frequency resource set respectively;

wherein the first signaling set, the second signaling set and third signaling set comprise M1 format(s) of physical layer signaling(s), M2 format(s) of physical layer signaling(s) and M3 format(s) of physical layer signaling(s) respectively, the M1, the M2 and the M3 being positive integers respectively; the first radio signal is used for triggering a monitoring of the second signaling set; and the first radio signal is used for determining that a number of maximum blind decoding times for the third signaling set in the third time-frequency resource set changes from X1 to X3, the X1 and the X3 being positive integers respectively, and the X1 being greater than the X3, the first radio signal is transmitted in a Random Access Channel (RACH), or the first radio signal is transmitted in an UL-SCH (Uplink Shared Channel), or the first radio signal is transmitted in Uplink Control Information (UCI).

12. The UE according to claim 11 , wherein a maximum of X1 times of blind decoding are performed for the first signaling set in the first time-frequency resource set, a maximum of X2 time(s) of blind decoding is(are) performed for the second signaling set in the second time-frequency resource set, and a maximum of X3 time(s) of blind decoding is(are) performed for the third signaling set in the third time-frequency resource set; a number of REs comprised in the first signaling set is the same as a number of REs comprised in the third signaling set; and the X2 is a positive integer less than the X1;

or, wherein a pattern of REs comprised in the first time-frequency resource set in a first time-frequency resource block is the same as a pattern of REs comprised in the third time-frequency resource set in a second time-frequency resource block, the first time-frequency resource set and the third time-frequency resource set belong to the first time-frequency resource block and the second time-frequency resource block respectively, the first time-frequency resource block and the second time-frequency resource block occupy same frequency-domain resources, the first time-frequency resource block and the second time-frequency resource block occupy a same length of time in time domain.

13. The UE according to claim 11 , wherein the X1 times of blind decoding correspond to X1 first-type RE sets respectively, the X3 time(s) of blind decoding corresponds (correspond) to X3 second-type RE set(s) respectively, a pattern of the X3 second-type RE set(s) in the second time-frequency resource block is the same as a pattern of X3 first-type RE set(s) among the X1 first-type RE sets in the first time-frequency resource block, each of the X1 first-type RE sets is composed of a positive integer number of REs, and each of the X3 second-type RE set(s) is composed of a positive integer number of REs;

or, wherein a number of REs comprised in any one of the X1 first-type RE sets other than the X3 first-type RE set(s) is less than or equal to a number of REs comprised in any one of the X3 second-type RE set(s).

14. The UE according to claim 11 , wherein the first receiver monitors K target radio signal(s) in K target antenna port group(s) respectively; wherein the first radio signal is used for determining a first antenna port group, the first antenna port group comprises a positive integer number of antenna ports, the UE assumes that the second signaling set is transmitted by the first antenna port group; the K target radio signal(s) is(are) used for determining K channel quality (qualities), at least one of the K target antenna port group(s) is used for transmitting the first signaling set, the first antenna port group is one antenna port group other than the K target antenna port group(s), and the K is a positive integer.

15. The UE according to claim 11 , wherein the first receiver receives a second radio signal, wherein the second radio signal is used for determining a fourth time-frequency resource set and a fifth time-frequency resource set, the second time-frequency resource set belongs to the fourth time-frequency resource set, the first time-frequency resource set and the third time-frequency resource set both belong to the fifth time-frequency resource set.

16. A base station for multi-antenna communication, comprising:

a second transmitter, to transmit a first signaling set in a first time-frequency resource set;

a third receiver, to receive a first radio signal;

a third transmitter, to transmit a second signaling set and a third signaling set in a second time-frequency resource set and a third time-frequency resource set respectively;

wherein the first signaling set, the second signaling set and third signaling set comprise M1 format(s) of physical layer signaling(s), M2 format(s) of physical layer signaling(s) and M3 format(s) of physical layer signaling(s) respectively, the M1, the M2 and the M3 being positive integers respectively; the first radio signal is used for triggering a transmission of the second signaling set; and the first radio signal is used for determining that a number of maximum blind decoding times for the third signaling set in the third time-frequency resource set changes from X1 to X3, the X1 and the X3 being positive integers respectively, and the X1 being greater than the X3; the first radio signal is transmitted in a Random Access Channel (RACH), or the first radio signal is transmitted in an UL-SCH (Uplink Shared Channel), or the first radio signal is transmitted in Uplink Control Information (UCI).

17. The base station according to claim 16 , wherein a maximum of X1 times of blind decoding are performed for the first signaling set in the first time-frequency resource set, a maximum of X2 time(s) of blind decoding is(are) performed for the second signaling set in the second time-frequency resource set, and a maximum of X3 time(s) of blind decoding is(are) performed for the third signaling set in the third time-frequency resource set; a number of REs comprised in the first signaling set is the same as a number of REs comprised in the third signaling set; and the X2 is a positive integer less than the X1;

or, wherein a pattern of REs comprised in the first time-frequency resource set in a first time-frequency resource block is the same as a pattern of REs comprised in the third time-frequency resource set in a second time-frequency resource block, the first time-frequency resource set and the third time-frequency resource set belong to the first time-frequency resource block and the second time-frequency resource block respectively, the first time-frequency resource block and the second time-frequency resource block occupy same frequency-domain resources, the first time-frequency resource block and the second time-frequency resource block occupy a same length of time in time domain.

18. The base station according to claim 16 , wherein the X1 times of blind decoding correspond to X1 first-type RE sets respectively, the X3 time(s) of blind decoding corresponds (correspond) to X3 second-type RE set(s) respectively, a pattern of the X3 second-type RE set(s) in the second time-frequency resource block is the same as a pattern of X3 first-type RE set(s) among the X1 first-type RE sets in the first time-frequency resource block, each of the X1 first-type RE sets is composed of a positive integer number of REs, and each of the X3 second-type RE set(s) is composed of a positive integer number of REs;

or, wherein a number of REs comprised in any one of the X1 first-type RE sets other than the X3 first-type RE set(s) is less than or equal to a number of REs comprised in any one of the X3 second-type RE set(s).

19. The base station according to claim 16 , wherein the second transmitter transmits K target radio signal(s) in K target antenna port group(s) respectively; wherein the first radio signal is used for determining a first antenna port group, the first antenna port group comprises a positive integer number of antenna ports, and the second signaling set is transmitted by the first antenna port group; the K target radio signal(s) is(are) used by a transmitter of the first radio signal to determine K channel quality (qualities) respectively, at least one of the K target antenna port group(s) is used for transmitting the first signaling set, the first antenna port group is one antenna port group other than the K target antenna port group(s), and the K is a positive integer.

20. The base station according to claim 16 , wherein the second transmitter transmits a second radio signal; wherein the second radio signal is used for determining a fourth time-frequency resource set and a fifth time-frequency resource set, the second time-frequency resource set belongs to the fourth time-frequency resource set, the first time-frequency resource set and the third time-frequency resource set both belong to the fifth time-frequency resource set.