A study on reliable position estimation in kinematic positioning for single frequency GNSS receiver

Abstract

For realization of ITS (Intelligent Transport Systems) world, location information is one of important information because the accuracy of the position decides the quality of ITS services. Kinematic positioning has been attracting attention as a high-precision position estimation method of moving objects. However, the acquisition rate of FIX solutions fluctuates according to positioning parameters in the kinematic positioning. Especially, the FIX solutions include false FIX solutions. In this paper, we focus on the characteristics of the false FIX solutions and will propose the elimination method of the false FIX solutions by speed and altitude information. Further, we will present the improvement of true FIX solutions and reduction of the false FIX solutions by integrating the elimination of the false FIX solutions with parallelized processing which has different positioning parameters. Hereby, we can acquire extensively only the reliable positioning information and can be useful when integrate with other sensors. Also, by using the actual vehicle traveling data, the ability and the applicable range of the proposed method will be shown.