There is provided a method performed by a user equipment configured to operate in a non-terrestrial network, the method comprising: acquiring a scheduling offset value for communication between the apparatus and a first network node; determining a time difference between a reception of a downlink message and transmission of an uplink message, wherein the uplink message is transmitted in response to the downlink message; determining a time domain value based on the determined time difference and the acquired scheduling offset; and reporting the time domain value to a second network entity.