ISSN: 0973-7510

E-ISSN: 2581-690X

Gangzhu Qiao and JianChao Zeng
1Complex System and Computational Intelligence Laboratory, Taiyuan University of Science and Technology, Taiyuan, 030024, China.
J Pure Appl Microbiol. 2013;7(Spl. Edn.: April):297-301
© The Author(s). 2013
Received: 03/03/2013 | Accepted: 14/04/2013 | Published: 30/04/2013
Abstract

Due to complex environment and multi influencing factor of coalface, Wireless Sensor Networks (WSN) based safety monitor system is an effective solution for coalface environmental monitoring and underground miner positioning. Based on analysis of environmental features of coalface, a WSN node deployment method is proposed in this paper, and DV-HOP localization algorithm is determined to be coal miner location solution. Due to low accuracy of DV-HOP algorithm on condition of uneven structure of coalface WSN and big distance gap between adjacent nodes, a RSSI-based weight DV-HOP algorithm is proposed in this paper. In the algorithm hops of adjacent node is weighted by RSS value of flooding packets transmitted between adjacent nodes, which can associate hops with distance of adjacent nodes. Simulation results show that under the same experimental accuracy of our algorithm is better than DV-HOP algorithm, and can meet localization requirement of coalface environment much better.

Keywords

Wireless Sensor Network, Localization, DV-HOP, RSSI, Coalface

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