Patent ID: 6058310
Filing Date: 2000-05-02
Classification: H04W

Abstract:
A mobile communication system comprising a plurality of base stations, each of said base stations forming a radio zone, and a mobile terminal that moves in said radio zones, wherein said mobile terminal comprises location registration means for registering a location of said mobile terminal to one of said base stations, said location registration means comprising:means for receiving a plurality of signals from said base stations;means for detecting reception levels of said signals, selecting a largest reception level and a second largest reception level from among said reception levels and generating identification information indicating a base station having transmitted a signal of said largest reception level based on said signal of selected largest reception level;means for calculating a difference between said largest reception level and said second largest reception level;means for comparing said difference and a present threshold value; andlocation registration establishment means for registering the location of said mobile terminal to a base station indicated by said identification information when said difference is larger than said threshold value, where said location registration establishment means does not register location of said mobile terminal to said base station indicated by said identification information when said difference is smaller than said threshold value.