A METHOD AND APPARATUS FOR INCREASING ACCURACY FOR LOCATING CELLULAR MOBILE STATION IN URBAN AREA

摘要

For increasing a kind of method and apparatus for the accuracy in urban district positioning honeycomb mobile station. Method is performed as following: initially, if there is the requirement to position, a main positions of a mobile station are by department's information, time of arrival, and the time difference reached determines; Then, a transmission for seeking a pilot tone of the locating apparatus of the auxiliary neighbouring for one is activated, and in the case where assistant seeks the transmission of a pilot tone, measures the time difference of arrival again; In the measurement end of mobile station, if the position transmission of seeking of the locating apparatus of auxiliary is closed; The locating apparatus of auxiliary is required to report the NLOS results of identification; As the assistant of the mobile station and result that are identified by NLOS seeks the measurement of a pilot tone, the location estimation of mobile station obtains a more accurate positions of mobile station.