非相同Nakagami-$m$变量的DF-MISO中继辅助RF/FSO网络

2019 6th International Conference on Signal Processing and Integrated Networks (SPIN) Pub Date : 2019-03-07 DOI:10.1109/SPIN.2019.8711738

Neha Singhal, Ankur Bansal

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引用次数: 1

摘要

本文研究了一种基于解码转发(DF)的多输入单输出(MISO)中继辅助双跳混合射频/自由空间光(RF/FSO)通信网络。假设射频链路中的每个分支都是独立且非同分布的。而FSO链路的辐照度受Gamma-Gamma分布的影响，存在不对准误差(ME)。本文研究了中继上的最大比组合(MRC)分集方案。推导了概率密度函数(PDF)和累积分布函数(CDF)的解析表达式。利用导出的信道统计量，我们得到了考虑系统的中断概率(OP)和平均符号错误概率(SEP)表达式。

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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DF-MISO Relay Assisted RF/FSO Network with Non-Identical Nakagami-$m$ Variates

In this paper, a decode-and-forward (DF) based multiple-input-single-output (MISO) relay assisted dual-hop mixed radio frequency/free space optical (RF/FSO) communication network is considered. Each branch in RF link is assumed to experience independent and non-identically distributed (i.n.i.d.) Nakagami-$m$ fading, whereas the irradiance of FSO link is subjected to a Gamma-Gamma distribution with misalignment error (ME). In this work, maximal ratio combining (MRC) diversity scheme at the relay is investigated. The analytical expressions of the probability density function (PDF) and cumulative distribution function (CDF) are derived. Utilizing the derived channel statistics, we obtain the outage probability (OP) and average symbol error probability (SEP) expressions for the considered system.

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2019 6th International Conference on Signal Processing and Integrated Networks (SPIN)

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