Patent ID: 7373155
Filing Date: 2008-05-13
Classification: H04B,H04W

Abstract:
1. A method for positioning a mobile station, comprising: a. instructing a serving base station to measure Round Trip Time (RTT) between the serving base station and the mobile station, when a positioning request from the mobile station is received in a mobile communication network, receiving a measurement result reported from the serving base station, and at the same time sending a measurement control message to the mobile station; b. determining all repeaters that take the serving base station as a donating base station, configuring auxiliary positioning parameters for the repeaters, and controlling transmission of auxiliary positioning signals from the repeaters to the mobile station; c. measuring, in the mobile station, Time Differences of Arrival (TDOAs) between the base stations and the repeaters according to the measurement control message sent from the mobile communication network and the auxiliary positioning signals sent from the repeaters, and reporting TODA measurement results to the mobile communication network; and d. determining a position of the mobile station by estimating, in the mobile communication network, the position of the mobile station according to received RTT between the serving base station and the mobile station as well as TODAs between the base stations and the repeaters.