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首页> 外文期刊>Physical Communication >Reconfigurable intelligent surface assisted mobile network with randomly moving user over Fisher-Snedecor fading channel
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Reconfigurable intelligent surface assisted mobile network with randomly moving user over Fisher-Snedecor fading channel

机译：可重新配置的智能表面辅助移动网络，随机移动用户通过Fisher-Snedecor衰落频道

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摘要

This paper evaluates the performance of a reconfigurable intelligent surface (RIS)-assisted mobile system with random user mobility. The RIS is assumed to act as an intelligent access point and the system channel follows Fisher-Snedecor (F) distribution with the user mobility subjected to random way point (RWP) model. Based on this, the novel probability distribution function (PDF) are derived for the received power at the mobile unit. Through this, the analytical closed-form expression for the outage probability, average bit error rate (ABER) and the average capacity under different transmission policies are then obtained. To gain future physical insight to the derived expressions, the asymptotic expressions for the system performance are obtained through which the system diversity gain is determined. The accuracy of these derived expressions is validated through the Monte Carlo simulations. Thus, the findings show that different system and channel parameters affect the performance of the concerned system and the system diversity is the function of number of RIS elements and channel severity parameter m. With the increase in the number of reflecting elements of RIS, there is significant improvement in the system performance. (c) 2020 Elsevier B.V. All rights reserved.
机译：本文评估了具有随机用户移动性的可重新配置智能表面（RIS） - 分类移动系统的性能。假设RIS充当智能接入点，系统频道遵循Fisher-SNEDECOR（F）分布，其中用户移动性受到随机方式（RWP）模型。基于此，可以为移动单元的接收功率导出新颖的概率分布函数（PDF）。通过这一点，然后获得用于中断概率，平均误码率（aber）和不同传输策略下的平均容量的分析闭合表达式。为了增强未来对衍生表达的物理见解，获得系统性能的渐近表达，通过该渐近表达通过该系统进行系统分集增益。通过蒙特卡罗模拟验证了这些衍生的表达式的准确性。因此，调查结果表明，不同的系统和信道参数影响有关系统的性能，系统分集是RIS元素数量和信道严重性参数M的函数。随着RIS的反射元素的数量的增加，系统性能显着提高。 （c）2020 Elsevier B.v.保留所有权利。

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