Patent ID: 8423051
Filing Date: 2013-04-16
Classification: G01S,H04L,H04W

Abstract:
1. A method for improving performance of a positioning system during a continuous positioning process, which is applied in a mobile communication positioning system comprising a mobile positioning center, a home location register, and a mobile station, comprising: during the continuous positioning process, the mobile positioning center sending a mobile station state inquiring request to the home location register; the home location register receiving the inquiring request and returning a mobile station current state response message; and the mobile positioning center performing positioning process or terminating positioning process to the mobile station based on the current state of the mobile station; wherein the current state comprises a normal state and an abnormal state, the abnormal state at least comprises one of the following states: power off of the mobile station, current inaccessibility of the mobile station, and inability to obtain a current state of the mobile station; wherein when the current state is normal, the continuous positioning is continued; when the current state is at least one of the following states; power off of the mobile station, current inaccessibility of the mobile station, and inability to obtain a current state of the mobile station, the mobile positioning center resends a notification of inducing a positioning request to the mobile station so as to continue a new continuous positioning after the state of the mobile station resumes normal.