Patent ID: 7142858
Filing Date: 2006-11-28
Classification: H04W

Abstract:
1. A method of registering position in a mobile radio communication system in which a position registration area number is reported from a base station to a mobile station within a radio zone, position information indicating a position registration area in which a mobile station resides is registered in storage means based upon position registration information that has been transmitted from the mobile station, and when there is an incoming call to a mobile station, a paging call is placed from a plurality of base stations within the position registration area, in which said base station resides, based upon position information that has been read out of said memory means, comprising steps of: registering a rule for predicting the timing when a mobile station changes a position registration area by moving; checking, on a per-mobile-station basis, whether a state in which said rule is applicable has been attained; and updating the position registration area of said mobile station based upon said rule if the state in which the rule is applicable has been attained.