High Accurate Two-Dimensional Geo-Location System for Social Safety Robot

Sujin Kim, Gon-Woo Kim, Kyung-Tae Nam, Sang-Moo Lee, Joonhyuk Kang, Woong-Hee Shon, Jeahwan Kim
2008 IFAC Proceedings Volumes  
In this paper, we propose an efficient two-dimensional geo-location system for social safety robot, where its location is obtained by direction of arrival (DOA) and time of arrival (TOA) of the radio signal. The proposed system requires two reference signals while the conventional systems generally deploy more than three reference signals. For estimating TOA and DOA information together, we employ a multiple signal classification (MUSIC) algorithm. The simulation results show that the proposed
more » ... eo-location system achieves accuracy within 3 meters error in 2 kilo-meters coverage which is constraint for mobile social safety robot.
doi:10.3182/20080706-5-kr-1001.00287 fatcat:ghlvnyudpfednfdrqafxwgwrqe