Multi-hop communication is order-optimal for homogeneous sensor networks
Proceedings of the 3rd international symposium on Information processing in sensor networks
Analysis of hop-distance relationship in spatially random sensor networks
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
Siphon: overload traffic management using multi-radio virtual sinks in sensor networks
Proceedings of the 3rd international conference on Embedded networked sensor systems
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Fire is a major concern for those who work in underground coal mines. Coal mine fire can occur at any time and often results in partial or total evacuation of mine personnel and could result in the loss of lives. Therefore, having a warning system that is capable of detecting fire and generating an alarm is important. In this paper, we present the response time of a proposed system for detecting fire hazard in a Bord-and-Pillar coal mine panel (Hustrulid and Bullock, 2001). It uses wireless sensor networks (WSNs), and can be used to detect the exact fire location and spreading direction, and also provide the fire prevention system to stop the spread of fire to save the natural resources and the mining personnel from fire. The proposed system is capable of early detection of fire and generating alarm in case of emergencies. The performance of the proposed system has been evaluated through rigorous simulations. Simulation results show that the average network delay varies almost linearly with the increasing the number of hops.