Method for controlling radio resources of at least one radio unit of at least one basestation in a mobile communications system , said radio unit being provided with a beamforming and/or a massive MIMO antenna system and being apt to establish a telecommunication link with at least one transceiver station carried by an aircraft , the method being implemented by an apparatus configured to control said antenna system by using control data, the method comprising the steps of: • receiving (S610) flight data related to said aircraft ; • estimating (S620) a timed trajectory of said aircraft , as a function of the flight data; • evaluating (S630) a required data rate for connection of said transceiver station to said basestation , as a function of the flight data; • determining (S640) a sequence of control data for said antenna system ∘ to form and/or select at least a radio beam and/or a connectivity spot directed towards said transceiver station ; and ∘ to allocate a data rate at least equal to the evaluated required data rate; wherein determining (S640) the sequence of control data comprises the steps of: ∘ finding an identifier of said timed trajectory ; ∘ retrieving (S643), if available, a previously stored sequence of control data associated to said identifier of the timed trajectory ; ∘ computing (S647) the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing (S649) the sequence of control data; and • providing (S650) the sequence of control data to said antenna system . • receiving (S610) flight data related to said aircraft ; • estimating (S620) a timed trajectory of said aircraft , as a function of the flight data; • evaluating (S630) a required data rate for connection of said transceiver station to said basestation , as a function of the flight data; • determining (S640) a sequence of control data for said antenna system ∘ to form and/or select at least a radio beam and/or a connectivity spot directed towards said transceiver station ; and ∘ to allocate a data rate at least equal to the evaluated required data rate; wherein determining (S640) the sequence of control data comprises the steps of: ∘ finding an identifier of said timed trajectory ; ∘ retrieving (S643), if available, a previously stored sequence of control data associated to said identifier of the timed trajectory ; ∘ computing (S647) the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing (S649) the sequence of control data; and ∘ to form and/or select at least a radio beam and/or a connectivity spot directed towards said transceiver station ; and ∘ to allocate a data rate at least equal to the evaluated required data rate; wherein determining (S640) the sequence of control data comprises the steps of: ∘ finding an identifier of said timed trajectory ; ∘ retrieving (S643), if available, a previously stored sequence of control data associated to said identifier of the timed trajectory ; ∘ computing (S647) the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing (S649) the sequence of control data; and ∘ finding an identifier of said timed trajectory ; ∘ retrieving (S643), if available, a previously stored sequence of control data associated to said identifier of the timed trajectory ; ∘ computing (S647) the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing (S649) the sequence of control data; and • providing (S650) the sequence of control data to said antenna system . <EOS>