Introduction: The very complex and hazardous environment of underground mines may
significantly contribute to occupational fatalities and injuries. Deploying wireless sensor …

The production, productivity and safety of underground coal mines are greatly affected by
the environmental conditions of the mines. Hence, continuous monitoring of the complex …

Mining and mineral exploration play important roles in the global economy. In mining
operations, communication systems play vital roles in ensuring personnel safety, enhancing …

Underground mining is expected to lead the mining industry in the near future. Due to the
advance of electronic devices and communications technologies, new safety regulations …

After a recent series of unfortunate underground mining disasters, the vital importance of
communications for underground mining is underlined one more time. Establishing reliable …

Results are presented on wideband radio propagation measurements and statistical
modeling at 2.4 GHz and 5.8 GHz in real underground mine tunnels. This peculiar type of …

One of the crucial problems being faced by wireless system designers is experimental
understandings of the electromagnetic (EM) wave propagation in high stress environments …

Radio wave propagation scene partitioning is necessary for wireless channel modeling. As
far as we know, there are no standards of scene partitioning for high‐speed rail (HSR) …

利用无线信号强度实现了煤矿安全监测无线传感器网络节点间的自定位, 提出了提高定位精度的
改进方案, 并分析了不同因素对定位精度的影响. 仿真结果表明, 所提出的算法可以有效地提高 …

This article reports measurement results on radiofrequency (RF) propagation in tunnels and
mines for vertically, horizontally, and cross-polarized signals. Extensive measurements have …