Most of current indoor positioning techniques adjusting distance and orientation of a fixed point by the way of power measurements that are subject to interference and accuracy is affected as a result?This research focus on RFID-based indoor positioning system for blind people?The system consists of wireless LAN?PDA?voice prompt system?RFID reader and floor-embedded RFID tags?With the floor-embedded RFID tags?blind people is able to know his(or her) precise position and effectively go somewhere he(or she) would like to with the help of voice prompt system?
