Method and device in node for wireless communication

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

receiving first information and second information; and

transmitting a first radio signal in W1 time sub-window(s), the first radio signal is transmitted through sidelink;

wherein the first information is used for determining X candidate time window(s), any one of the X candidate time window(s) has a time length equal to a first time length, the first time length is fixed, and the X is a positive integer; for a subcarrier spacing of a subcarrier occupied by the first radio signal, one of the X candidate time window(s) comprises Y candidate time sub-window(s), and the Y is related to the subcarrier spacing of the subcarrier occupied by the first radio signal; the second information is used for indicating W candidate time sub-window(s) out of the Y candidate time sub-window(s), the W is a positive integer, and the Y is a positive integer not less than the W; and each of the W1 time sub-window(s) is one of the W candidate time sub-window(s).

2. The method according to claim 1 , wherein any two of the Y candidate time sub-windows are orthogonal, the Y candidate time sub-windows are arranged orderly according to time sequence, and the W candidate time sub-window(s) is(are) W consecutively arranged candidate time sub-window(s) among the Y candidate time sub-windows.

3. The method according to claim 1 , wherein the W candidate time sub-window(s) belong(s) to one of Q candidate time sub-window sets, and any one of the Q candidate time sub-window sets comprises a positive integer number of candidate time sub-window(s) out of the Y candidate time sub-window(s); the second information is used for determining out of the Q candidate time sub-window sets a candidate time sub-window set to which the W candidate time sub-window(s) belong(s); the Q candidate time sub-window sets comprise two candidate time sub-window sets orthogonal to each other, candidate time sub-windows in the two candidate time sub-window sets orthogonal to each other constitute one of the Q candidate time sub-window sets, and the Q is a positive integer greater than 2.

4. The method according to claim 1 , further comprising:

receiving third information; and

transmitting a first signaling;

wherein the third information is used for determining the W1 time sub-window(s) out of the W candidate time sub-window(s) and frequency-domain resources occupied by the first radio signal, the first signaling is used for indicating the W1 time sub-window(s) and the frequency-domain resources occupied by the first radio signal, and the first signaling is transmitted via a first air interface.

5. The method according to claim 1 , further comprising:

monitoring a second radio signal in M time window(s);

wherein a monitor of the second radio signal assumes that there are time-domain resources reserved for a radio signal other than the first radio signal within X1 candidate time window(s) of the X candidate time window(s), and the X1 is a non-negative integer not greater than the X; when the second radio signal is detected in one of the M time window(s), a time-domain position of the second radio signal is used for determining the X1 candidate time window(s) out of the X candidate time window(s); and an end time of any one of the M time window(s) is not later than a start time of any one of the X candidate time window(s), and the M is a positive integer.

6. The method according to claim 5 , wherein a monitor of the second radio signal assumes that there are time-domain resources reserved for a radio signal other than the first radio signal within Y1 candidate time sub-window(s) out of the Y candidate time sub-window(s), and the Y1 is a non-negative integer not greater than the Y; when the second radio signal is detected in a target time window, a time-domain position of time-domain resources occupied by the second radio signal in the target time window is used for determining the Y1 candidate time sub-window(s) out of the Y candidate time sub-window(s), and the target time window is one of the M time window(s).

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

transmitting first information and second information;

wherein the first information is used for determining X candidate time window(s), any one of the X candidate time window(s) has a time length equal to a first time length, the first time length is fixed, and the X is a positive integer; a first radio signal is transmitted by a receiver of the first information in W1 time sub-window(s), the first radio signal is transmitted through sidelink; for a subcarrier spacing of a subcarrier occupied by the first radio signal, one of the X candidate time window(s) comprises Y candidate time sub-window(s), and the Y is related to the subcarrier spacing of the subcarrier occupied by the first radio signal; the second information is used for indicating W candidate time sub-window(s) out of the Y candidate time sub-window(s), the W is a positive integer, and the Y is a positive integer not less than the W;

and each of the W1 time sub-window(s) is one of the W candidate time sub-window(s).

8. The method according to claim 7 , wherein any two of the Y candidate time sub-windows are orthogonal, the Y candidate time sub-windows are arranged orderly according to time sequence, and the W candidate time sub-window(s) is(are) W consecutively arranged candidate time sub-window(s) among the Y candidate time sub-windows.

9. The method according to claim 7 , wherein the W candidate time sub-window(s) belong(s) to one of Q candidate time sub-window sets, and any one of the Q candidate time sub-window sets comprises a positive integer number of candidate time sub-window(s) out of the Y candidate time sub-window(s); the second information is used for determining out of the Q candidate time sub-window sets a candidate time sub-window set to which the W candidate time sub-window(s) belong(s); the Q candidate time sub-window sets comprise two candidate time sub-window sets orthogonal to each other, candidate time sub-windows in the two candidate time sub-window sets orthogonal to each other constitute one of the Q candidate time sub-window sets, and the Q is a positive integer greater than 2.

10. The method according to claim 7 , further comprising:

transmitting third information;

wherein the third information is used for determining the W1 time sub-window(s) out of the W candidate time sub-window(s) and frequency-domain resources occupied by the first radio signal.

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

a first receiver, to receive first information and second information; and

a first transceiver, to transmit a first radio signal in W1 time sub-window(s), the first radio signal is transmitted through sidelink;

wherein the first information is used for determining X candidate time window(s), any one of the X candidate time window(s) has a time length equal to a first time length, the first time length is fixed, and the X is a positive integer; for a subcarrier spacing of a subcarrier occupied by the first radio signal, one of the X candidate time window(s) comprises Y candidate time sub-window(s), and the Y is related to the subcarrier spacing of the subcarrier occupied by the first radio signal; the second information is used for indicating W candidate time sub-window(s) out of the Y candidate time sub-window(s), the W is a positive integer, and the Y is a positive integer not less than the W; and each of the W1 time sub-window(s) is one of the W candidate time sub-window(s).

12. The first-type communication node according to claim 11 , wherein any two of the Y candidate time sub-windows are orthogonal, the Y candidate time sub-windows are arranged orderly according to time sequence, and the W candidate time sub-window(s) is(are) W consecutively arranged candidate time sub-window(s) among the Y candidate time sub-windows.

13. The first-type communication node according to claim 11 , wherein the W candidate time sub-window(s) belong(s) to one of Q candidate time sub-window sets, and any one of the Q candidate time sub-window sets comprises a positive integer number of candidate time sub-window(s) out of the Y candidate time sub-window(s); the second information is used for determining out of the Q candidate time sub-window sets a candidate time sub-window set to which the W candidate time sub-window(s) belong(s); the Q candidate time sub-window sets comprise two candidate time sub-window sets orthogonal to each other, candidate time sub-windows in the two candidate time sub-window sets orthogonal to each other constitute one of the Q candidate time sub-window sets, and the Q is a positive integer greater than 2.

14. The first-type communication node according to claim 11 , wherein the first receiver receives third information, and the first transceiver transmits a first signaling; wherein the third information is used for determining the W1 time sub-window(s) out of the W candidate time sub-window(s) and frequency-domain resources occupied by the first radio signal, the first signaling is used for indicating the W1 time sub-window(s) and the frequency-domain resources occupied by the first radio signal, and the first signaling is transmitted via a first air interface.

15. The first-type communication node according to claim 11 , wherein the first transceiver monitors a second radio signal in M time window(s); wherein a monitor of the second radio signal assumes that there are time-domain resources reserved to a radio signal other than the first radio signal within X1 candidate time window(s) out of the X candidate time window(s), and the X1 is a non-negative integer not greater than the X; when the second radio signal is detected in one of the M time window(s), a time-domain position of the second radio signal is used for determining the X1 candidate time window(s) out of the X candidate time window(s); and an end time of any one of the M time window(s) is not later than a start time of any one of the X candidate time window(s), and the M is a positive integer.

16. The first-type communication node according to claim 15 , wherein a monitor of the second radio signal assumes that there are time-domain resources reserved to a radio signal other than the first radio signal within Y1 candidate time sub-window(s) out of the Y candidate time sub-window(s), and the Y1 is a non-negative integer not greater than the Y; when the second radio signal is detected in a target time window, a time-domain position of time-domain resources occupied by the second radio signal in the target time window is used for determining the Y1 candidate time sub-window(s) out of the Y candidate time sub-window(s), and the target time window is one of the M time window(s).

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

a first transmitter, to transmit first information and second information;

wherein the first information is used for determining X candidate time window(s), any one of the X candidate time window(s) has a time length equal to a first time length, the first time length is fixed, and the X is a positive integer; a first radio signal is transmitted by a receiver of the first information in W1 time sub-window(s), the first radio signal is transmitted through sidelink; for a subcarrier spacing of a subcarrier occupied by the first radio signal, one of the X candidate time window(s) comprises Y candidate time sub-window(s), and the Y is related to the subcarrier spacing of the subcarrier occupied by the first radio signal; the second information is used for indicating W candidate time sub-window(s) out of the Y candidate time sub-window(s), the W is a positive integer, and the Y is a positive integer not less than the W;

and each of the W1 time sub-window(s) is one of the W candidate time sub-window(s).

18. The second-type communication node according to claim 17 , wherein any two of the Y candidate time sub-windows are orthogonal, the Y candidate time sub-windows are arranged orderly according to time sequence, and the W candidate time sub-window(s) is(are) W consecutively arranged candidate time sub-window(s) among the Y candidate time sub-windows.

19. The second-type communication node according to claim 17 , wherein the W candidate time sub-window(s) belong(s) to one of Q candidate time sub-window sets, and any one of the Q candidate time sub-window sets comprises a positive integer number of candidate time sub-window(s) out of the Y candidate time sub-window(s); the second information is used for determining out of the Q candidate time sub-window sets a candidate time sub-window set to which the W candidate time sub-window(s) belong(s); the Q candidate time sub-window sets comprise two candidate time sub-window sets orthogonal to each other, candidate time sub-windows in the two candidate time sub-window sets orthogonal to each other constitute one of the Q candidate time sub-window sets, and the Q is a positive integer greater than 2.

20. The second-type communication node according to claim 17 , wherein the first transmitter transmits third information; wherein the third information is used for determining the W1 time sub-window(s) out of the W candidate time sub-window(s) and frequency-domain resources occupied by the first radio signal.