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首页> 外文期刊>Vehicular Communications >Performance analysis of vehicle-to-vehicle communication with full-duplex amplify-and-forward relay over double-Rayleigh fading channels
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Performance analysis of vehicle-to-vehicle communication with full-duplex amplify-and-forward relay over double-Rayleigh fading channels

机译：双瑞利衰落信道上具有全双工放大转发中继的车对车通信性能分析

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摘要

In this paper, we investigate a vehicle-to-vehicle (V2V) communication system where a full-duplex (FD) relay uses amplify-and-forward (AF) protocol. We consider two cases of the AF protocol at the FD relay, i.e. fixed and variable gain relaying. Furthermore, the channels between the nodes are characterized as the double (cascaded) Rayleigh fading distributions. We derive the exact closed-form expressions of the outage probabilities (OPs) and symbol error rates (SERB) in these two cases. Numerical results show the impacts of the double Rayleigh fading channels on the system performance in comparison with those of Rayleigh fading channels. Moreover, the effects of the distance, path loss exponent, and residual self-interference (RSI) on the system performance are also studied. We find that for a given node transmission power, there exist optimal distances between vehicles for the fixed and variable gain relaying which provide the best system performance. All analysis results in this paper are validated by Monte-Carlo simulation results to confirm the correctness of the derived mathematical expressions. (C) 2019 Elsevier Inc. All rights reserved.
机译：在本文中，我们研究了一种车对车（V2V）通信系统，其中全双工（FD）中继使用放大转发（AF）协议。我们在FD中继处考虑AF协议的两种情况，即固定和可变增益中继。此外，节点之间的信道被表征为双（级联）瑞利衰落分布。在这两种情况下，我们得出了停机概率（OPs）和符号错误率（SERB）的精确封闭式表达式。数值结果表明，与瑞利衰落信道相比，双瑞利衰落信道对系统性能的影响。此外，还研究了距离，路径损耗指数和残余自干扰（RSI）对系统性能的影响。我们发现，对于给定的节点传输功率，固定和可变增益中继的车辆之间存在最佳距离，这可以提供最佳的系统性能。本文的所有分析结果均通过蒙特卡洛仿真结果进行验证，以确认所推导的数学表达式的正确性。 （C）2019 Elsevier Inc.保留所有权利。

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