Capacity Analysis of UAV-to-Ground Channels With Shadowing: Power Adaptation Schemes and Effective Capacity

IF 5.3 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Open Journal of Vehicular Technology Pub Date : 2023-11-27 DOI:10.1109/OJVT.2023.3336619
Remon Polus;Claude D'Amours
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Abstract

In this article, an unmanned aerial vehicle (UAV), acting as a transmitter, employs different power adaptation strategies in order to enhance the ergodic capacity of the wireless channel between it and a receiver on the ground. We present the derivation of closed-form expressions for the channel capacity of the recently developed UAV-to-ground fading channels under different power adaptation strategies. The power adaptation strategies considered in this paper are optimal rate adaptation with fixed power (ORA), optimal power and rate adaptation (OPRA), channel inversion with fixed rate (CIFR), and truncated channel inversion with fixed rate (TIFR). In addition to ergodic capacity analysis, precise analytical formulas for the effective capacity of the UAV-to-ground fading channels are derived. Additionally, all of these closed-form expressions are verified by comparing them with numerical results obtained through Monte Carlo simulations.
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带阴影的无人机对地信道的容量分析:功率自适应方案和有效容量
在本文中,无人飞行器(UAV)作为发射器,采用不同的功率适应策略,以提高它与地面接收器之间无线信道的遍历容量。我们提出了最近开发的无人机对地衰减信道在不同功率适应策略下的信道容量闭式表达式。本文考虑的功率适应策略包括固定功率的最优速率适应(ORA)、最优功率和速率适应(OPRA)、固定速率的信道反转(CIFR)和固定速率的截断信道反转(TIFR)。除了遍历容量分析外,还得出了无人机对地衰减信道有效容量的精确分析公式。此外,所有这些闭式表达式都通过与蒙特卡罗模拟获得的数值结果进行比较得到了验证。
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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来源期刊
CiteScore
9.60
自引率
0.00%
发文量
25
审稿时长
10 weeks
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