Disclosed are an apparatus and a method in a wireless communication system and a computer readable storage medium, the apparatus comprising a processing circuit, and the processing circuit being configured to: configure a measurement cell range of a user device to include adjacent cells of the current serving cell of the user device and cells other than the adjacent cells; and notify the user device of the measurement cell range, such that the user device implements measurement for the measurement cell range. According to at least one aspect of the embodiments of the present disclosure, expanding the measurement cell range for an unmanned aerial vehicle to include cells other than adjacent cells can prevent the occurrence of frequent handover.