Abstract
Wireless Sensor networks (WSNs) are created by small hardware devices that possess the necessary functionalities to measure and exchange a variety of environmental data in their deployment setting. In this paper, we discuss the experiments in deploying a testbed as a first step towards creating a fully functional heterogeneous wireless network-based underground monitoring system. The system is mainly composed of mobile and static ZigBee nodes, which are deployed on the underground mine galleries for measuring ambient temperature. In addition, we describe the measured results of link characteristics such as received signal strength, latency and throughput for different scenarios.
Highlights
In recent years, wireless sensor networks have attracted significant attention due to their integration of wireless, computing, and sensor technology
Wireless sensor networks consist of a number of nodes that are equipped with processing, communicating and sensing capabilities
The Wireless Sensor networks (WSNs) has to be able to interact with other information devices, for example, a moving miner equipped with a PDA will be able to read the temperature sensors even if this node is located in different mine gallery
Summary
Wireless sensor networks have attracted significant attention due to their integration of wireless, computing, and sensor technology. Wireless sensor networks consist of a number of nodes that are equipped with processing, communicating and sensing capabilities. They use ad hoc radio protocols to forward data in a multi-hop mode of operation [1]. Sensors 2013, 13 into hazardous areas to provide warning indication signals, identification of vehicles entering or leaving production areas or passing specific locations in the mine, tracking of supplies and materials, reducing the fatal accidents due to collision, monitoring of underground gases, and maintenance scheduling. The priority is to ensure a robust global network with battery-operated nodes These types of networks are usually developed with the following goals in mind. High level measurements such as throughput and delay statistics could be better indicators of the link quality
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