首页> 外文期刊>The mediterranean journal of electronics and communications >CHANNEL PREDICTIONS AND ADAPTIVE CODE MODULATION IN DIGITAL BROADBAND COMMUNICATION BASED ON HIGH ALTITUDE AERONAUTICAL PLATFORM (HAAP)
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CHANNEL PREDICTIONS AND ADAPTIVE CODE MODULATION IN DIGITAL BROADBAND COMMUNICATION BASED ON HIGH ALTITUDE AERONAUTICAL PLATFORM (HAAP)

机译:基于高空航空平台(HAAP)的数字宽带通信中的信道预测和自适应代码调制

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摘要

In this paper, the predictions and adaptation of faded aeronautical channels induced by impaired weather will be presented. The signal variations due to rain fading are generally much slower than variations due to multipath and shadowing. This is a principal problem in means of propagation for stratospheric platforms at High Altitude Aeronautical Platform (HAAP), destined to digital communication in broadband. The emphasis of this paper is given by practical adaptive modulation-coding methods. Specifically, we considered a variable-rate, variable-power modulations and variable code rate.
机译:在本文中,将介绍天气受损引起的航空通道衰落的预测和适应。由于雨衰而引起的信号变化通常要比由于多径和阴影引起的变化慢得多。这是在高空航空平台(HAAP)的平流层平台的传播手段中的主要问题,该平台注定要在宽带中进行数字通信。本文的重点是通过实用的自适应调制编码方法给出的。具体来说,我们考虑了可变速率,可变功率调制和可变码率。

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