원래 이름 기록: ST Engineering iDirect (Europe) Cy NV

A method for a logon procedure in a 5GNR non-terrestrial network is provided, which includes at least one user equipment, a satellite and either a gNodeB base station or a gNodeB base station on-board the satellite or a gateway. The method includes transmitting a logon burst signal from a user equipment of the satellite communication system to the gNodeB base station or gNodeB base station on-board the satellite. The logon burst signal includes one or more transmit parameter fields, each transmit parameter field corresponding to a signal transmit time or a signal transmit level, or a signal transmit frequency of the logon burst signal in the user equipment.