Patent ID: 8032154
Filing Date: 2011-10-04
Classification: G01C,G01S,H04W

Abstract:
1. A wireless device capable of communicating via a wireless network, comprising: a location information acquiring unit configured to acquire location information of the wireless device; an estimated error value acquiring unit configured to acquire an estimated error value of the acquired location information; a moving status determining unit configured to determine a moving status of the wireless device; and a location determining unit configured to determine a location where the wireless device exists, based on the acquired estimated error value and the determined moving status when the moving status determining unit determines that the moving status of the wireless device is a middle-speed moving state and when a minimum value of estimated error values acquired within a predetermined period is smaller than a middle speed error threshold, the location determining unit determines the location where the wireless device exists, based on location information from which the minimum value of the estimated error values was acquired.