Disclosed in the present application are an apparatus and method in a wireless communication system, and a computer readable storage medium. The apparatus comprises a processing circuit. The processing circuit is configured to determine one or more height thresholds for a user equipment according to at least one of base station-related information, cell-related information and user equipment-related information. According to at least one aspect of embodiments of the present disclosure, a proper height threshold is set for a communication scenario of an unmanned aerial vehicle, which helps to resolve and alleviate various problems that may exist in the communication scenario of the unmanned aerial vehicle.