Patent ID: 6191737
Filing Date: 2001-02-20
Classification: G01S,H04W

Abstract:
A method of determining a position of a mobile station within a telecommunication system, comprising the steps of:receiving a request to perform a position determination of said mobile station;identifying location measuring units (LMUS) within said telecommunications system for measuring a time of arrival of signals generated by said mobile station, and mobile switching centers (MSCs) associated with said identified measuring units;sending said request and data concerning said identified LMUs and said identified MSCs to an MSC serving said mobile station;verifying a second MSC associated with at least one of said identified LMUS is capable of participating in a mobile station position determination;forwarding said request from said serving MSC to said second MSC based upon an affirmative determination that said second MSC is capable of participating in said mobile station position determination;forwarding said request received by said second MSC to said identified LMU associated with said second MSC;measuring time of arrival signals generated by said mobile station by said LMU associated with said second MSC;sending said measurements from said measuring unit associated with said second MSC to said second MSC; andsending said measurements from said second MSC to said MSC serving said mobile station.