RADIO FIELD INTENSITY THRESHOLD SETTING DEVICE, RADIO FIELD INTENSITY THRESHOLD SETTING METHOD, AND RADIO FILED INTENSITY THRESHOLD SETTING PROGRAM

PROBLEM TO BE SOLVED: To set optimal values in RSRP (Reference Signal Received Power) thresholds for determining use propriety of respective pieces of cell information of base stations neighboring a serving base station that are to be used for measuring a plurality of cells in base station measurement, in units of areas in which the base stations are installed.SOLUTION: For performing GNSS (Global Navigation Satellite System) measurement processing, base station measurement is performed for generating assist data (approximate position information). A measurement result difference comparison unit 89 compares a difference between a measurement result by multiple cell measurement and a measurement result by the GNSS measurement. Then, while the difference exceeds a predetermined RSRP definite threshold, a threshold modification unit 90 modifies RSRP thresholds in units of base stations and the RSRP thresholds in units of cells for determining use propriety of respective pieces of cell information of base stations neighboring a serving base station. By repeating the modification processing, it is possible to set (tune) the RSRP thresholds to optimal values in units of areas in which the base stations are installed.