Design and Implementation of Pedestrian Position Information System in GPS-disabled Area

GPS 수신불가 지역에서의 보행자 위치정보시스템의 설계 및 구현

  • Received : 2012.06.28
  • Accepted : 2012.09.06
  • Published : 2012.09.30


In this paper, we propose a Pedestrian Position Information System(PPIS) using low-cost inertial sensors in GPS-disabled area. The proposed scheme estimates the attitude/heading angle and step detection of pedestrian. Additionally, the estimation error due to the inertial sensors is mitigated by using additional sensors. We implement a portable hardware module to evaluate performance of the proposed system. Through the experiments in indoor building, the estimation error of position information was measured as 2.4% approximately.


IMU;GPS;Position information;sensor fusion;Kalman filter


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