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3D Multiple-Antenna Channel Modeling and Propagation Characteristics Analysis for Mobile Internet of Things

机译：移动互联网的多天线信道建模与传播特性分析

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摘要

The demand for optimization design and performance evaluation of wireless communication links in a mobile Internet of Things (IoT) motivates the exploitation of realistic and tractable channel models. In this paper, we develop a novel three-dimensional (3D) multiple-antenna channel model to adequately characterize the scattering environment for mobile IoT scenarios. Specifically, taking into consideration both accuracy and mathematical tractability, a 3D double-spheres model and ellipsoid model are introduced to describe the distribution region of the local scatterers and remote scatterers, respectively. Based on the explicit geometry relationships between transmitter, receiver, and scatterers, we derive the complex channel gains by adopting the radio-wave propagation model. Subsequently, the correlation-based approach for theoretical analysis is performed, and the detailed impacts with respect to the antenna deployment, scatterer distribution, and scatterer density on the vital statistical properties are investigated. Numerical simulation results have shown that the statistical channel characteristics in the developed simulation model nicely match those of the corresponding theoretical results, which demonstrates the utility of our model.
机译：对移动互联网（物联网）的无线通信链路的优化设计和性能评估的需求激励了现实和贸易渠道模型的开发。在本文中，我们开发了一种新颖的三维（3D）多天线信道模型，以充分表征移动物联网场景的散射环境。具体地，考虑到精度和数学途径，引入了3D双球模型和椭球模型以分别描述局部散射仪和远程散射体的分布区域。基于发射器，接收器和散射器之间的显式几何关系，我们通过采用无线电波传播模型来得出复杂的频道增益。随后，研究了基于相关的理论分析方法，研究了对生命统计特性的天线展开，散射分布和散射密度的详细影响。数值模拟结果表明，发达的仿真模型中的统计信道特性很好地匹配了相应的理论结果的思路，这表明了我们模型的效用。

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