基于无人机的无线网络系统级仿真研究和性能评估
首发时间:2021-03-17
摘要:由于具有低成本、可快速部署、广覆盖等特征,无人机能够有效解决传统通信中地面基站部署速度不快,地面因素限制,部署成本高等问题,在应急通信、分流热点地区等领域有着不可替代的作用。目前,对于无人机基站的仿真评估较少,无法从仿真的角度说明各项技术的性能优势。本文通过搭建系统级仿真平台,评估了无人机通信系统中不同载频,不同飞行半径下的性能,并根据仿真结果,总结了载频和飞行半径对系统性能的影响。最后,提出了一种无人机飞行轨迹优化算法,仿真结果表明,该算法能够有效地提高无人机基站通信系统的性能。
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System-level simulation research and performance evaluation of wireless network based on UAV
Abstract:Due to the characteristics of low cost, rapid deployment and wide coverage, UAV can effectively solve the problems of slow deployment speed of ground base station, limitation of ground factors and high deployment cost in traditional communication, and plays an irreplaceable role in emergency communication, diversion of hot spots and other fields. At present, there are few simulation evaluations for UAV base station, so it is impossible to explain the performance advantages of each technology from the perspective of simulation. By building a system-level simulation platform, this paper evaluates the performance of the UAV communication system under different carrier frequencies and different flight radii, and summarizes the influence of carrier frequencies and flight radii on the system performance according to the simulation results. Finally, a UAV flight path optimization algorithm is proposed, and the simulation results show that the algorithm can effectively improve the performance of the UAV base station communication system.
Keywords: UAV Aerial base station Wireless network System-level simulation
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