APPARATUS AND METHOD FOR ULTRA-FAST GNSS INITIAL POSITIONING SCHEME WITH PEER ASSISTANCE, AND RECORDING MEDIUM THEREOF

摘要

A method and an apparatus for acquiring an ultra-fast global navigation satellite systems (GNSS) initial position with peer assistance are disclosed. The apparatus includes a communication unit configured to receive assistance generated using a distance from a master terminal to a slave terminal and frequency error of a counterpart's terminal, a communication signal system configured to immediately receive immediately necessary information of the assistance, a Global Positioning System (GPS) receiver configured to rapidly search for a GPS satellite signal using the assistance and continuously track the GPS satellite signal so as to extract a pseudorange, and a computation processor configured to compute the position of the slave terminal using the assistance and the pseudorange. By this configuration, it is possible to perform fast initial position measurement as compared to the existing A-GPS technique, achieve direct communication between two GPS receivers regardless of presence/absence of a mobile communication network, and solve various limitations of the A-GPS technique.