Method and device for wireless communication in UE and base station

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

receiving a first signaling in a first time window in a first subband; and

monitoring a second signaling in a second time window in a second subband;

if successfully receiving the second signaling in the second time window in the second subband, transmitting a first radio signal in a third time window in a third subband, otherwise, dropping transmission of the first radio signal in the third time window in the third subband;

wherein the first signaling comprises first-type scheduling information of the first radio signal; the first signaling indicates a time interval between the third time window and the second time window; the first signaling is associated with the second signaling; the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set; the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s); the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer; the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).

2. The method according to claim 1 , wherein the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; and the first field in the first signaling indicates that the reference time window is not the first time window;

or, the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; the first field in the first signaling indicates that the reference time window is not the first time window; the second signaling comprises a second field, the second field indicating whether the reference time window is the second time window; and the second field in the second signaling indicates that the reference time window is the second time window;

or, time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to a same time-frequency resource pool, the same time-frequency resource pool comprising a positive integer number of Resource Elements (REs).

3. The method according to claim 1 , comprising:

receiving a second radio signal;

wherein the first signaling comprises second-type scheduling information of the second radio signal; the first radio signal is used for determining whether the second radio signal is correctly received, or a measurement performed on the second radio signal is used for determining the first radio signal.

4. The method according to claim 1 , wherein the second signaling is cell-common; or, the second signaling is terminal-group-specific.

5. The method according to claim 1 , wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s);

or, comprising:

receiving a third signaling;

wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s); the third signaling indicates that a first multicarrier symbol group is occupied, the first multicarrier symbol group comprising a positive integer number of multicarrier symbol(s); and the same time slice belongs to the first multicarrier symbol group.

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

transmitting a first signaling in a first time window in a first subband; and

transmitting a second signaling in a second time window in a second subband, or dropping transmission of the second signaling in the second time window in the second subband;

if transmitting the second signaling in the second time window in the second subband, receiving a first radio signal in a third time window in a third subband, otherwise dropping reception of the first radio signal in the third time window in the third subband;

wherein the first signaling comprises first-type scheduling information of the first radio signal; the first signaling indicates a time interval between the third time window and the second time window; the first signaling is associated with the second signaling; the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set; the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s); the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer; the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).

7. The method according to claim 6 , wherein the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; and the first field in the first signaling indicates that the reference time window is not the first time window;

or, the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; the first field in the first signaling indicates that the reference time window is not the first time window; the second signaling comprises a second field, the second field indicating whether the reference time window is the second time window; and the second field in the second signaling indicates that the reference time window is the second time window;

or, time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to a same time-frequency resource pool, the same time-frequency resource pool comprising a positive integer number of REs.

8. The method according to claim 6 , comprising:

transmitting a second radio signal;

wherein the first signaling comprises second-type scheduling information of the second radio signal; the first radio signal is used for determining whether the second radio signal is correctly received, or a measurement performed on the second radio signal is used for determining the first radio signal.

9. The method according to claim 6 , wherein the second signaling is cell-common; or, the second signaling is terminal-group-specific.

10. The method according to claim 6 , wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s);

or, comprising:

transmitting a third signaling;

wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s); the third signaling indicates that a first multicarrier symbol group is occupied, the first multicarrier symbol group comprising a positive integer number of multicarrier symbol(s); and the same time slice belongs to the first multicarrier symbol group.

11. A UE for wireless communications, comprising:

a first receiver, receiving a first signaling in a first time window in a first subband;

a second receiver, monitoring a second signaling in a second time window in a second subband; and

a first processor, if successfully receiving the second signaling in the second time window in the second subband, transmitting a first radio signal in a third time window in a third subband, otherwise dropping transmission of the first radio signal in the third time window in the third subband;

wherein the first signaling comprises first-type scheduling information of the first radio signal; the first signaling indicates a time interval between the third time window and the second time window; the first signaling is associated with the second signaling; the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set; the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s); the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer; the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).

12. The UE according to claim 11 , wherein the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; and the first field in the first signaling indicates that the reference time window is not the first time window;

or, the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; the first field in the first signaling indicates that the reference time window is not the first time window; the second signaling comprises a second field, the second field indicating whether the reference time window is the second time window; and the second field in the second signaling indicates that the reference time window is the second time window;

or, time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to a same time-frequency resource pool, the same time-frequency resource pool comprising a positive integer number of REs.

13. The UE according to claim 11 , wherein the first processor receives a second radio signal; wherein the first signaling comprises second-type scheduling information of the second radio signal; the first radio signal is used for determining whether the second radio signal is correctly received, or a measurement performed on the second radio signal is used for determining the first radio signal.

14. The UE according to claim 11 , wherein the second signaling is cell-common; or, the second signaling is terminal-group-specific.

15. The UE according to claim 11 , wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s);

or, the second receiver receives a third signaling; wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s); the third signaling indicates that a first multicarrier symbol group is occupied, the first multicarrier symbol group comprising a positive integer number of multicarrier symbol(s); and the same time slice belongs to the first multicarrier symbol group.

16. A base station for wireless communication, comprising:

a first transmitter, transmitting a first signaling in a first time window in a first subband;

a second transmitter, transmitting a second signaling in a second time window in a second subband, or dropping transmission of the second signaling in the second time window in the second subband; and

a second processor, if transmitting the second signaling in the second time window in the second subband, receiving a first radio signal in a third time window in a third subband, otherwise dropping reception of the first radio signal in the third time window in the third subband;

wherein the first signaling comprises first-type scheduling information of the first radio signal; the first signaling indicates a time interval between the third time window and the second time window; the first signaling is associated with the second signaling; the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set; the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s); the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer; the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).

17. The base station according to claim 16 , wherein the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; and the first field in the first signaling indicates that the reference time window is not the first time window;

or, the first signaling indicates a time interval between the third time window and a reference time window; the first signaling comprises a first field, the first field indicating whether the reference time window is the first time window; the first field in the first signaling indicates that the reference time window is not the first time window; the second signaling comprises a second field, the second field indicating whether the reference time window is the second time window; the second field in the second signaling indicates that the reference time window is the second time window;

or, time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to a same time-frequency resource pool, the same time-frequency resource pool comprising a positive integer number of REs.

18. The base station according to claim 16 , wherein the second processor transmits a second radio signal; wherein the first signaling comprises second-type scheduling information of the second radio signal; the first radio signal is used for determining whether the second radio signal is correctly received, or a measurement performed on the second radio signal is used for determining the first radio signal.

19. The base station according to claim 16 , wherein the second signaling is cell-common; or, the second signaling is terminal-group-specific.

20. The base station according to claim 16 , wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s);

or, the second transmitter transmits a third signaling; wherein the first signaling and the second signaling occupy a same time slice in time domain, the same time slice comprising a positive integer number of multicarrier symbol(s); the third signaling indicates that a first multicarrier symbol group is occupied, the first multicarrier symbol group comprising a positive integer number of multicarrier symbol(s); and the same time slice belongs to the first multicarrier symbol group.