2A2-M08 Study on Signal Interference caused by Flying Robot in Indoor Positioning System using Spread Spectrum Ultrasonic Waves

Abstract

Recently, the development of the flying robot for navigation and security system in doors is taken notice. The goal of study is to realize a navigation system of the flying robot using the indoor positioning system with spread spectrum (SS) ultrasonic waves. It is difficult to detect SS signal when the flying robot is flying because of the signal interference caused by the propeller. Therefore, we discuss some solutions of this problem in this paper. As a result, SS signal can be detected by the way of surrounding with the sound-absorbing material around the receiver. Thus, we can expect to realize a measuring and a positioning.