Method and device in UE and base station for wireless communication

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

receiving a target radio signal in a first frequency-domain resource;

transmitting a first radio signal;

monitoring a second radio signal in a first time window; and

monitoring a third radio signal in a first time-domain resource in the first frequency-domain resource;

wherein a channel measurement for the target radio signal is used for triggering a transmission of the first radio signal; the first radio signal is used by a receiver that received the first radio signal for determining a multiantenna related transmission of the third radio signal; the first radio signal is related to a multiantenna related reception of the third radio signal; when the second radio signal is correctly received, the second radio signal is used for determining the first time-domain resource, or, the second radio signal is used for determining that the first radio signal is correctly received.

2. The method according to claim 1 , wherein a time-domain resource occupied by the first radio signal is used for determining at least one of a start of the first time window or an end of the first time window.

3. The method according to claim 1 , wherein when the second radio signal is correctly received, the second radio signal is used for determining the first time-domain resource, and the first time-domain resource is one time window;

or, when the second radio signal is correctly received, the second radio signal is used for determining whether a target time interval belongs to the first time-domain resource;

or, when the second radio signal is correctly received, the second radio signal is used for determining a multiantenna related reception used for monitoring the third radio signal.

4. The method according to claim 1 , comprising:

receiving a first signaling;

wherein the first signaling is used for determining a length of the first time window.

5. The method according to claim 1 , comprising:

transmitting the first radio signal again; and

monitoring the second radio signal in a second time window;

wherein the second radio signal is not correctly received in the first time window.

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

transmitting a target radio signal in a first frequency-domain resource;

receiving a first radio signal;

transmitting a second radio signal in a first time window; and

transmitting a third radio signal in a first time-domain resource in the first frequency-domain resource;

wherein a channel measurement for the target radio signal is used by a receiver that received the target radio signal for triggering a transmission of the first radio signal; the first radio signal is used for determining a multiantenna related transmission of the third radio signal; the first radio signal is related to a multiantenna related reception of the third radio signal; the second radio signal is used for determining the first time-domain resource, or, the second radio signal is used for determining that the first radio signal is correctly received.

7. The method according to claim 6 , wherein a time-domain resource occupied by the first radio signal is used for determining at least one of a start of the first time window or an end of the first time window.

8. The method according to claim 6 , wherein the second radio signal is used for determining the first time-domain resource, and the first time-domain resource is one time window;

or, the second radio signal is used for determining whether a target time interval belongs to the first time-domain resource;

or, the second radio signal is used by the receiver that received the target radio signal for determining a multiantenna related reception used for monitoring the third radio signal.

9. The method according to claim 6 , comprising:

transmitting a first signaling;

wherein the first signaling is used for determining a length of the first time window.

10. The method according to claim 6 , comprising:

receiving the first radio signal again; and

transmitting the second radio signal in a second time window;

wherein the second radio signal is not correctly received in the first time window.

11. A UE for wireless communication, comprising:

a first receiver, to receive a target radio signal in a first frequency-domain resource; to monitor a second radio signal in a first time window; to monitor a third radio signal in a first time-domain resource in the first frequency-domain resource;

a transmitter, to transmit a first radio signal;

wherein a channel measurement for the target radio signal is used for triggering a transmission of the first radio signal; the first radio signal is used for determining a multiantenna related transmission of the third radio signal; the first radio signal is related to a multiantenna related reception of the third radio signal; when the second radio signal is correctly received, the second radio signal is used for determining the first time-domain resource, or, the second radio signal is used for determining that the first radio signal is correctly received.

12. The UE according to claim 11 , wherein a time-domain resource occupied by the first radio signal is used for determining at least one of a start of the first time window or an end of the first time window.

13. The UE according to claim 11 , wherein when the second radio signal is correctly received, the second radio signal is used for determining the first time-domain resource, and the first time-domain resource is one time window;

or, when the second radio signal is correctly received, the second radio signal is used for determining whether a target time interval belongs to the first time-domain resource;

or, when the second radio signal is correctly received, the second radio signal is used for determining a multiantenna related reception used for monitoring the third radio signal.

14. The UE according to claim 11 , wherein the first receiver receives a first signaling;

wherein the first signaling is used for determining a length of the first time window.

15. The UE according to claim 11 , wherein the transmitter transmits the first radio signal again; and the third receiver monitors the second radio signal in a second time window; wherein the second radio signal is not correctly received in the first time window.

16. A base station for wireless communication, comprising:

a first transmitter, to transmit a target radio signal in a first frequency-domain resource; to transmit a second radio signal in a first time window; to transmit a third radio signal in a first time-domain resource in the first frequency-domain resource;

a receiver, to receive a first radio signal;

wherein a channel measurement for the target radio signal is used by a target receiver that received the target radio signal for triggering a transmission of the first radio signal; the first radio signal is used for determining a multiantenna related transmission of the third radio signal; the first radio signal is related to a multiantenna related reception of the third radio signal; the second radio signal is used for determining the first time-domain resource, or, the second radio signal is used for determining that the first radio signal is correctly received.

17. The base station according to claim 16 , wherein a time-domain resource occupied by the first radio signal is used for determining at least one of a start of the first time window or an end of the first time window.

18. The base station according to claim 16 , wherein the second radio signal is used for determining the first time-domain resource, and the first time-domain resource is one time window;

or, the second radio signal is used for determining whether a target time interval belongs to the first time-domain resource;

or, the second radio signal is used by the target receiver that received the target radio signal for determining a multiantenna related reception used for monitoring the third radio signal.

19. The base station according to claim 16 , wherein the first transmitter transmits a first signaling; wherein the first signaling is used for determining a length of the first time window.

20. The base station according to claim 16 , wherein the receiver receives the first radio signal again; and the third transmitter transmits the second radio signal in a second time window; wherein the second radio signal is not correctly received in the first time window.