A method of adaptively allocating, by a network control function, NWCF, radio resources provided by an advanced antenna system, AAS, of a radio access network, RAN. The AAS has an adaptive radio antenna arrangement configured for serving terrestrial radio user equipments, UEs. The NWCF, upon receiving information of an upcoming demand for radio resources of the RAN for serving aerial vehicle radio user equipments, UEs, maps the demand to radio resources to be allocated by the AAS for serving the aerial vehicle UEs, and instructs the AAS to allocate the radio resources for serving the aerial vehicle UEs by adapting the radio antenna arrangement of the AAS. A network control function, an advanced antenna system, and radio cell site equipment are provided.