Method and device in nodes used for wireless communication

1. A first node for wireless communications, comprising:

a first receiver, receiving a first signaling, a second signaling and a third signaling, from a second node,

wherein the first signaling indicates a first duration set, the second signaling indicates a first time window, any duration in the first duration set being a duration in the first time window, and a timing of each duration in the first time window referring to a receiving timing of the first node, and the third signaling indicates a first time length; and

a first transceiver, transmitting a first signal, to a third node, in a first target duration according to a timing of the first target duration,

wherein the first target duration being delayed in time domain by a first time length is a first reference duration, the first reference duration is a duration in a first duration set, and the first target duration and the first reference duration have a same time duration, and

wherein the first signal comprises first information indicating a first index, which is the same as an index of a second reference duration in the first time window, the second reference duration and the first target duration are overlapping in time domain while the first reference duration and the first target duration are non-overlapping in time domain, and the second reference duration is a duration in the first time window.

2. The first node according to claim 1 , wherein the first transceiver transmits a second signal, to the third node, comprising second information which is used to determine a second time length, wherein the second time length is dependent on a time interval between a start of the second reference duration in time domain and a start of the first target duration in time domain.

3. The first node according to claim 2 , wherein the third node determines a receiving timing for a radio signal from the first node to the third node according to the first index, and the third node determines a transmitting timing for a radio signal from the third node to the first node according to the first index.

4. The first node according to claim 1 , wherein the first transceiver transmits a target signal, to the third node, indicating a second duration set out of a second time window, the first target duration is a duration in the second time window, and an index of the first target duration in the second time window is the first index.

5. The first node according to claim 4 , wherein the first transceiver transmits a third signal and a fourth signal, to the third node, and the first transceiver receives a fifth signaling, from the third node, wherein both transmission of the third signal and of the fourth signal is performed according to a timing in the second duration set, and reception of the fifth signaling is performed according to the timing in the second duration set, and wherein the third signal comprises configuration information of the fourth signal, and the fifth signaling is used to determine whether the fourth signal is correctly received.

6. The first node according to claim 5 , wherein the transmission of both the third signal and the fourth signal performed according to a timing in the second duration set means that a boundary of a multicarrier symbol occupied by transmitting the third signal is aligned with a boundary of a multicarrier symbol in the second duration set and that a boundary of a multicarrier symbol occupied by transmitting the fourth signal is aligned with a boundary of a multicarrier symbol in the second duration set.

7. The first node according to claim 4 , wherein durations in the second duration set correspond to durations in the first duration set respectively, and a time interval between any duration in the second duration set and a corresponding duration in the first duration set is the same as a time interval between the first target duration and the second reference duration.

8. The first node according to claim 4 , wherein the first time window is determined according to a timing specific to a transmitter of the first signaling, while the second time window is a timing in sidelink determined according to a transmitting timing for the first node.

9. The first node according to claim 1 , wherein the first receiver receives a synchronization signal, from the second node, wherein a start time of reception of the synchronization signal in the first node is a start time for a multicarrier symbol occupied by the synchronization signal in a duration to which the synchronization signal belongs.

10. The first node according to claim 1 , wherein the first duration set is time-domain resources reserved for non-cellular link transmission according to a timing of the second node, wherein the non-cellular link comprises a sidelink, or a V2X traffic transmission link.

11. The first node according to claim 1 , wherein the second signaling indicates a position of a duration occupied by the second signaling in the first time window, and wherein the duration occupied by the second signaling is a duration in the first time window.

12. The first node according to claim 1 , wherein the first time length is dependent on a quantized value of a transmission delay from the first node to the second node.

13. The first node according to claim 1 , wherein the first time length is dependent on at least one of a height of the second node or an inclination angle of the second node to the first node.

14. The first node according to claim 1 , wherein the first index is a radio frame number and an index of the second reference duration in the first time window is a radio frame number, or the first index is a sub-frame number and an index of the second reference duration in the first time window is a sub-frame number, or the first index is a slot number and an index of the second reference duration in the first time window is a slot number.

15. A second node for wireless communications, comprising:

a first transmitter, transmitting a first signaling, a second signaling and a third signaling, to a first node,

wherein the first signaling indicates a first duration set, the second signaling indicates a first time window, any duration in the first duration set being a duration in the first time window, and a timing of each duration in the first time window refers to a receiving timing of the first node, and the third signaling indicates a first time length,

wherein the first node transmits a first signal in a first target duration, to a third node, according to a timing of the first target duration,

wherein the first target duration being delayed in time domain by a first time length is a first reference duration, the first reference duration is a duration in a first duration set, and the first target duration and the first reference duration have a same time duration, and

wherein the first signal comprises first information indicating a first index which is the same as an index of a second reference duration in the first time window.

16. A method used in a first node for wireless communications, comprising:

receiving a first signaling, a second signaling and a third signaling, from a second node,

wherein the first signaling indicates a first duration set, the second signaling indicates a first time window, any duration in the first duration set being a duration in the first time window, and a timing of each duration in the first time window referring to a receiving timing of the first node, and the third signaling indicates a first time length; and

transmitting a first signal, to a third node, in a first target duration according to a timing of the first target duration,

wherein the first target duration being delayed in time domain by a first time length is a first reference duration, the first reference duration is a duration in a first duration set, and the first target duration and the first reference duration have a same time duration, and

wherein the first signal comprises first information indicating a first index which is the same as an index of a second reference duration in the first time window, the second reference duration and the first target duration are overlapping in time domain while the first reference duration and the first target duration are non-overlapping in time domain, and the second reference duration is a duration in the first time window.

17. The method of the first node according to claim 16 , comprising:

transmitting a second signal, to the third node, comprising second information which is used to determine a second time length,

wherein the second time length is dependent on a time interval between a start of the second reference duration in time domain and a start of the first target duration in time domain.

18. The method of the first node according to claim 16 , comprising:

transmitting a target signal, to the third node,

wherein the target signal indicates a second duration set out of a second time window, the first target duration is a duration in the second time window, and an index of the first target duration in the second time window is the first index.

19. The method of the first node according to claim 18 , comprising:

transmitting a third signal and a fourth signal to the third node; and

receiving a fifth signaling, from the third node,

wherein both transmission of the third signal and of the fourth signal is performed according to a timing in the second duration set, and reception of the fifth signaling is performed according to the timing in the second duration set, and wherein the third signal comprises configuration information of the fourth signal, and the fifth signaling is used to determine whether the fourth signal is correctly received.

20. The method of the first node according to claim 16 , comprising:

receiving a synchronization signal, from the second node,

wherein a start time of reception of the synchronization signal in the first node is a start time for a multicarrier symbol occupied by the synchronization signal in a duration to which the synchronization signal belongs.