5G in Open-Pit Mines: Considerations on Large-Scale Propagation in Sub-6 GHz Bands

E. Almeida, G. Caldwell, Ignacio Rodriguez, R. Vieira, T. B. Sørensen, P. Mogensen, L. U. Garcia
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引用次数: 5

Abstract

5G will play a pivotal role in the digitization of the industrial sector and is expected to make the best use of every bit of spectrum available. In this light, this paper presents the results of an extensive measurement campaign in two iron-ore open-pit mining complexes, at the 700 MHz and 2.6 GHz bands, considering macro and small cell deployments. The study is further motivated by the rise of unmanned machinery in the mining industry. We present values of path loss exponents, shadow fading standard deviations, autocorrelation distances and inter-frequency cross-correlation, which are all useful for the future wireless network design, simulation and performance evaluation. The results show that, in order to comply with ultra-reliable communications (URC) availability requirements, larger shadowing margins will have to be considered in the network planning in open-pit mines, when compared to traditional industrial environments. Furthermore, large cross-correlation between the shadowing in both frequency bands limits the gains when using multi-connectivity in order to enhance overall network availability.
露天矿5G:对Sub-6 GHz频段大规模传播的思考
5G将在工业部门的数字化中发挥关键作用,并有望充分利用可用的每一比特频谱。鉴于此,本文介绍了在700 MHz和2.6 GHz频段对两个铁矿石露天采矿综合体进行的广泛测量活动的结果,考虑了宏观和小型基站的部署。这项研究的进一步动机是无人驾驶机械在采矿业的兴起。我们给出了路径损耗指数、阴影衰落标准差、自相关距离和频间互相关的值,这些值对未来无线网络的设计、仿真和性能评估都是有用的。结果表明,为了满足超可靠通信(URC)的可用性要求,与传统工业环境相比,露天矿的网络规划必须考虑更大的阴影余量。此外,在使用多连接以提高整体网络可用性时,两个频带中阴影之间的大互相关限制了增益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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