Patent ID: 8891503

Claim:
A controlling apparatus for obtaining location information of a wireless terminal device in accordance with a location request from an upper level apparatus in response to an emergency alert transmitted from the wireless terminal device, the controlling apparatus comprising: a memory comprising instructions; and a processor for execution the instructions; the instructions comprising: an indoor base station location determining part configured to identify an indoor base station apparatus covering an area in which the wireless terminal device is located and determine whether location information of the identified indoor base station apparatus can be obtained; a wireless terminal location determining part configured to determine whether location information of the wireless terminal device can be obtained in a case where the indoor base station location determining part determines that the location information of the identified indoor base station apparatus cannot be obtained; a location information obtaining part configured to obtain location information of at least one of the indoor base station or the wireless terminal device based on determination results of the indoor base station location determining part or the wireless terminal location determining part; and a location response generating part configured to generate a location response including the location information obtained by the location information obtaining part; wherein the wireless terminal location determining part is configured to determine that the location information of the wireless terminal device can be obtained in a case where peripheral cell information and time information are included in a location registration request transmitted from the wireless terminal device and a movable distance of the wireless terminal device within a predetermined period is no greater than a radius of a cell in which the indoor base station apparatus is located.