PRE-SCALING OF A-GPS POSITIONING ACCURACY DATA

摘要

A method in conjunction with positioning of a mobile terminal in a cellular telecommunication system is disclosed. According to the method, an end user's requested positioning accuracy for the positioning of the mobile terminal is determined (510). Also, an estimated confidence value for the positioning of the mobile terminal is determined (520), and so is a required confidence value for the end user (530). Then, a pre-scale value is produced (540) based on at least the estimated confidence value and the required confidence value. The pre-scale value is applied (550) to the requested positioning accuracy to obtain a pre-scaled requested positioning accuracy. Then, the pre-scaled requested positioning accuracy is sent (560) in the cellular telecommunication system towards the mobile terminal.