Method and device in communication node used for wireless communication

1. A method in a first-type communication node for wireless communications, comprising:

receiving first information;

receiving a first signaling in X time windows; and

transmitting a first radio signal;

wherein the first information is used to determine the X time windows, and time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information, the first signaling, the second information and the first radio signal are all transmitted through an air interface.

2. The method according to claim 1 , comprising:

receiving second information;

wherein the second information is used to determine the first transmission timing adjustment, and the first signaling is used to determine time-frequency resources occupied by a transmission of the second information, the second information being transmitted through the air interface.

3. The method according to claim 1 , comprising:

transmitting a second radio signal;

wherein air-interface resources occupied by the second radio signal are used to determine a first characteristic identity, and the first signaling carries the first characteristic identity; an end time for a transmission of the second radio signal is used to determine start times of the X time windows, and the second radio signal is transmitted through the air interface.

4. The method according to claim 1 , wherein any two of the X time windows are orthogonal in time domain; the first signaling belongs to a first time window, and the first time window is one of the X time windows; the second transmission timing adjustment is one of Q candidate timing adjustments, the Q being a positive integer greater than 1, and a position of the first time window among the X time windows is used to determine the second transmission timing adjustment out of the Q candidate timing adjustments.

5. The method according to claim 1 , comprising:

receiving third information;

wherein the start time for the transmission of the first radio signal is a first time, and an expected start time for a reception of the first radio signal is a second time; a sum of the first transmission timing adjustment and the second transmission timing adjustment is used to determine a time length of a time interval between the first time and the second time; the third information is used to determine the second time, and the third information is transmitted through the air interface;

or, comprising:

receiving fourth information;

wherein the fourth information is used to determine a time length of one of the X time windows.

6. A method in a second-type communication node in wireless communications, comprising:

transmitting first information;

transmitting a first signaling in X time windows; and

receiving a first radio signal;

wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information, the first signaling, the second information and the first radio signal are all transmitted through an air interface.

7. The method according to claim 6 , comprising:

transmitting second information;

wherein the second information is used to determine the first transmission timing adjustment, and the first signaling is used to determine time-frequency resources occupied by a transmission of the second information, the second information being transmitted through the air interface.

8. The method according to claim 6 , comprising:

receiving a second radio signal;

wherein air-interface resources occupied by the second radio signal are used to determine a first characteristic identity, and the first signaling carries the first characteristic identity; an end time for a transmission of the second radio signal is used to determine start times of the X time windows, and the second radio signal is transmitted through the air interface.

9. The method according to claim 6 , wherein any two of the X time windows are orthogonal in time domain; the first signaling belongs to a first time window, and the first time window is one of the X time windows; the second transmission timing adjustment is one of Q candidate timing adjustments, the Q being a positive integer greater than 1, and a position of the first time window among the X time windows is used to determine the second transmission timing adjustment out of the Q candidate timing adjustments.

10. The method according to claim 6 , comprising:

transmitting third information;

wherein the start time for the transmission of the first radio signal is a first time, and an expected start time for a reception of the first radio signal is a second time; a sum of the first transmission timing adjustment and the second transmission timing adjustment is used to determine a time length of a time interval between the first time and the second time; the third information is used to determine the second time, and the third information is transmitted through the air interface;

or, comprising:

transmitting fourth information;

wherein the fourth information is used to determine a time length of one of the X time windows.

11. A first-type communication node for wireless communications, comprising:

a first receiver, receiving first information;

a second receiver, receiving a first signaling in X time windows; and

a first transmitter, transmitting a first radio signal;

wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information, the first signaling, the second information and the first radio signal are all transmitted through an air interface.

12. The first-type communication node according to claim 11 , wherein the second receiver receives second information; wherein the second information is used to determine the first transmission timing adjustment, and the first signaling is used to determine time-frequency resources occupied by a transmission of the second information, the second information being transmitted through the air interface.

13. The first-type communication node according to claim 11 , wherein the first transmitter transmits a second radio signal; wherein air-interface resources occupied by the second radio signal are used to determine a first characteristic identity, and the first signaling carries the first characteristic identity; an end time for a transmission of the second radio signal is used to determine start times of the X time windows, and the second radio signal is transmitted through the air interface.

14. The first-type communication node according to claim 11 , wherein any two of the X time windows are orthogonal in time domain; the first signaling belongs to a first time window, and the first time window is one of the X time windows; the second transmission timing adjustment is one of Q candidate timing adjustments, the Q being a positive integer greater than 1, and a position of the first time window among the X time windows is used to determine the second transmission timing adjustment out of the Q candidate timing adjustments.

15. The first-type communication node according to claim 11 , wherein the second receiver receives third information; wherein the start time for the transmission of the first radio signal is a first time, and an expected start time for a reception of the first radio signal is a second time; a sum of the first transmission timing adjustment and the second transmission timing adjustment is used to determine a time length of a time interval between the first time and the second time; the third information is used to determine the second time, and the third information is transmitted through the air interface;

or the first receiver receives fourth information; wherein the fourth information is used to determine a time length of one of the X time windows.

16. A second-type communication node for wireless communications, comprising:

a second transmitter, transmitting first information;

a third transmitter, transmitting a first signaling in X time windows; and

a third receiver, receiving a first radio signal;

wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information, the first signaling, the second information and the first radio signal are all transmitted through an air interface.

17. The second-type communication node according to claim 16 , wherein the third transmitter transmits second information; wherein the second information is used to determine the first transmission timing adjustment, and the first signaling is used to determine time-frequency resources occupied by a transmission of the second information, the second information being transmitted through the air interface.

18. The second-type communication node according to claim 16 , wherein the third receiver receives a second radio signal; wherein air-interface resources occupied by the second radio signal are used to determine a first characteristic identity, and the first signaling carries the first characteristic identity; an end time for a transmission of the second radio signal is used to determine start times of the X time windows, and the second radio signal is transmitted through the air interface.

19. The second-type communication node according to claim 16 , wherein any two of the X time windows are orthogonal in time domain; the first signaling belongs to a first time window, and the first time window is one of the X time windows; the second transmission timing adjustment is one of Q candidate timing adjustments, the Q being a positive integer greater than 1, and a position of the first time window among the X time windows is used to determine the second transmission timing adjustment out of the Q candidate timing adjustments.

20. The second-type communication node according to claim 16 , wherein the third transmitter transmits third information; wherein the start time for the transmission of the first radio signal is a first time, and an expected start time for a reception of the first radio signal is a second time; a sum of the first transmission timing adjustment and the second transmission timing adjustment is used to determine a time length of a time interval between the first time and the second time; the third information is used to determine the second time, and the third information is transmitted through the air interface;

or the second transmitter transmits fourth information; wherein the fourth information is used to determine a time length of one of the X time windows.