Method for controlling radio resources of at least one radio unit (150,150') of at least one basestation (120,120') in a mobile communications system, said radio unit (150,150') being provided with a beamforming and/or a massive MIMO antenna system (160,160') 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 (10,10') configured to control said antenna system (160,160') by using control data, the method comprising the steps of: • receiving flight data (61, 61') related to said aircraft; • estimating a timed trajectory of said aircraft, as a function of the flight data; • evaluating a required data rate for connection of said transceiver station to said basestation(120, 120'), as a function of the flight data; • determining a sequence of control data for said antenna system(160, 160') ∘ 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 the sequence of control data comprises the steps of: ∘ finding an identifier of said timed trajectory; ∘ retrieving, if available, a previously stored sequence of control data associated to said identifier of the timed trajectory; ∘ computing the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing the sequence of control data; and • providing the sequence of control data to said antenna system (160,160'). • receiving flight data (61, 61') related to said aircraft; • estimating a timed trajectory of said aircraft, as a function of the flight data; • evaluating a required data rate for connection of said transceiver station to said basestation(120, 120'), as a function of the flight data; • determining a sequence of control data for said antenna system(160, 160') ∘ 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 the sequence of control data comprises the steps of: ∘ finding an identifier of said timed trajectory; ∘ retrieving, if available, a previously stored sequence of control data associated to said identifier of the timed trajectory; ∘ computing the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing 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 the sequence of control data comprises the steps of: ∘ finding an identifier of said timed trajectory; ∘ retrieving, if available, a previously stored sequence of control data associated to said identifier of the timed trajectory; ∘ computing the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing the sequence of control data; and ∘ finding an identifier of said timed trajectory; ∘ retrieving, if available, a previously stored sequence of control data associated to said identifier of the timed trajectory; ∘ computing the sequence of control data, as a function of said previously stored sequence of control data; and ∘ storing the sequence of control data; and • providing the sequence of control data to said antenna system (160,160').