CHANNEL SEARCH CONTROL METHOD FOR EVALUATING SERVICE AREA, SERVICE AREA EVALUATION DEVICE AND SERVICE AREA EVALUATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To quickly and efficiently search for a channel to be measured from channels for measurement transmitted from peripheral base stations. SOLUTION: Transmission-reception distances between a mobile measuring vehicle 5 and peripheral base stations 1 to 4 are calculated on the basis of the contents of a base station data base and position measuring information. Consequently, it is grasped in which power range of a base station the vehicle 5 executing mobile measurements is located and in which power range of a base station the vehicle enters after movement a place for switching a measuring channel can be narrowed down and a channel can be efficiently obtained without searching for a channel at a fixed interval differently from a conventional method. Since peripheral base stations 1 to 4 can be also grasped in addition to the base station in the power range, channels can be narrowed down and quick channel search can be realized.