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Optimization of Satellite Laser Communication Subject to Log-Square-Hoyt Fading

机译:对数-平方-霍伊特衰落条件下的卫星激光通信优化

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摘要

In the existing studies of satellite laser communications, the variances in the azimuth and elevation axes of a swaying transmitter are usually assumed to be identical. In this correspondence, the analysis is extended to the general case in which these two variances are not the same. It is shown that the transmitter radial pointing error angle follows the Hoyt distribution. Furthermore, we prove that the instantaneous signal-to-noise ratio (SNR) follows the log-square-Hoyt distribution. Based on these results, we establish an optimization model to minimize the outage probability, subject to a specified transmitter power, by adjusting some system parameters such as the transmitter gain. A closed form of the solution is obtained and a set of representative curves are presented.
机译:在现有的卫星激光通信研究中,通常假定摇摆发射机的方位角和仰角方差是相同的。在这种对应关系中,分析扩展到了这两个方差不相同的一般情况。结果表明,发射机径向指向误差角服从Hoyt分布。此外,我们证明了瞬时信噪比(SNR)遵循对数平方霍伊特分布。基于这些结果,我们通过调整一些系统参数(例如,发射机增益)来建立优化模型,以在特定发射机功率的情况下最大程度地减少中断概率。获得了封闭形式的解,并给出了一组代表性曲线。

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