Patent ID: 6198935
Filing Date: 2001-03-06
Classification: H04W

Abstract:
A method for determining a position of a mobile station within a mobile telecommunications network, comprising the steps of:maintaining a database having stored therein geographical information pertaining to service areas within the mobile telecommunications network, the geographical information including an ability to perform radio communication within the service areas;calculating a required number of access burst signals for transmission by the mobile station to be used to determine the position of the mobile station, the calculation occurring prior to transmission of the access burst signals by the mobile station and being based upon the geographical information pertaining to the service areas;receiving the required number of access burst signals transmitted by the mobile station;measuring the time of arrival of the required number of access burst signals transmitted by the mobile station during the receiving step; andcalculating a position of the mobile station within the telecommunications network based upon the time of arrival measurements of the required burst signal transmission.