Design, deployment and performance of a complete real-time ZigBee localization system

Abstract

This paper proposes a complete system for nodes localization in a Wireless Sensor Network (WSN) based on the ZigBee standard. The system includes a real-time location engine, which adopts a Received Signal Strength Indicator (RSSI)-based localization algorithm, and three tools, namely an Environment Description Tool (EDT), a Channel Modeling Tool (CMT) and a Network Planning Tool (NPT), which enable efficient deployment and accurate operation. Experimental evaluations show how the system performs in a real environment and how the proposed approach improves localization accuracy.