An apparatus and a method of a wireless communication system, and a computer-readable storage medium are disclosed. The apparatus comprises a processing circuit. The processing circuit is configured to configure, directly or indirectly on the basis of one or more height thresholds for user equipment and a current height of the user equipment, operation of the user equipment. According to at least one aspect of the embodiments of the disclosure, configuring, on the basis of a height threshold, operation of a user equipment optimizes communication performance in an unmanned aerial vehicle communication scenario.