Patent ID: 6947745
Filing Date: 2005-09-20
Classification: H04W

Abstract:
1. A mobile radio communication system in which location-limited mobile stations can be used, comprising: a registered area storage means in which information concerning registered areas, which have been registered as areas where a location-limited mobile station is allowed to originate a call, is stored with regard to each location-limited mobile station, where the registered areas of each location-limited mobile station are altered to alternative registered areas during a preset time period that is defined prior to entry into the time period; a registered area search means for referring to the registered area storage means and thereby searching for the registered areas of a location-limited mobile station when the location-limited mobile station originated a call; an area comparison means for comparing the registered areas of the location-limited mobile station searched by the registered area search means with present location areas of the location-limited mobile station and thereby judging whether or not a match occurred between the registered areas and the present location areas; and a connection establishment means for executing a connection establishment process for the location-limited mobile station if a match occurred in the judgment by the area comparison means.