A method at a network node for configuring a terminal node with a measurement configuration of a type of reference signal in a Non-Terrestrial Network, NTN, the measurement configuration comprises at least one of a Synchronization Signal Block, SSB, Measurement Time Configuration, SMTC configuration, and a Measurement Gap, MG, configuration, the method comprising:
- determining (s110) the measurement configuration based on an occupied time length of SMTC or MG in one measurement periodicity being not higher than a threshold;
- and
- informing (s120) the terminal node of the determined measurement configuration to be used for performing a measurement procedure of the type of reference signal.