Method and device used for wireless communication

A base station for wireless communications, comprising:

• a transmitter configured to transmit a first signaling to a user equipment (UE);
• and
• a receiver configured to receive a first signal from the UE;
• wherein whether the first signaling is used to indicate a first time window associated with a data radio bearer (DRB), and based on a radio resource control state of the UE, and used for determining a second time window in which time-frequency resources are allocated for communications associated with the DRB with a non-terrestrial (NTN) node different than the base station wherein the first signal requests scheduling for the data radio bearer outside the first time window for communications associated with the DRB via the NTN node during the second time window.

A method for a user equipment (UE) for wireless communications, the method comprising:

• receiving a first signaling from a first network node;
• and
• transmitting a first signal to the network node responsive to the first signaling;
• wherein the first signaling is used to indicate a first time window associated with a data radio bearer (DRB), and based on a radio resource control (RRC) state of the UE, for determining a second time window in which time-frequency resources are allocated for communications associated with the DRB with a non-terrestrial network (NTN) node different than the first network node, wherein the first signal requests scheduling for the data radio bearer outside the first time window for communications associated with the DRB via the NTN node during the second time window.