Design and Implementation of an Indoor Positioning System Based on Wireless Sensor Networks

• Main Author: Jingxia WANG
• Format: Article
• Language: English
• Published: IFSA Publishing, S.L. 2013-07-01
• Series: Sensors & Transducers
• Subjects: Wireless sensor networks; Indoor positioning system; ZigBee 2007 / PRO protocol stack; Trilateration; Positioning algorithm.
• Online Access: http://www.sensorsportal.com/HTML/DIGEST/july_2013/Special%20Issue/P_SI_404.pdf

The positioning technologies play a crucial role in the application of wireless sensor networks. In this paper, based on research TI CC2530 chip and ZigBee protocol stack, using Received Signal Strength Indication and the trilateration positioning technology, the wireless sensor network indoor positioning system was achieved. Take CC2530 chip as the control core, the system hardware was realized and ZigBee 2007 / PRO protocol stack was amended. RSSI technology was used for distance measurement, and finally the blind node positioning was implemented by trilateration method. Has been tested, the system is able to achieve indoor node localization features, and has a certain practical significance.