关于多无人机合作中继系统最大可靠性的研究
Ning Ning1, Suiping Zhou1, Weimin Bao1
1School of Aerospace Science and Technology, Xidian University, Xi'an 710126, China.
Sensors (Basel, Switzerland)
|May 11, 2024
概括
这项研究提高了使用无人机 (UAV) 作为中继的远程用户的无线通信可靠性. 优化无人机参数可以提高性能,移动性可以提供显著的通信收益.
科学领域:
- 无线通信无线通信
- 机器人技术 机器人技术 机器人技术
- 网络工程 网络工程
背景情况:
- 无人驾驶飞行器 (UAV) 越来越多地用于无线服务,特别是在偏远地区.
- 传统的直接链接对于远程用户来说往往是不可靠的,需要中继解决方案.
- 与无人机的编码合作中继为增强连接提供了潜在的解决方案.
研究的目的:
- 为了研究和最大限度地提高无线服务的多跳转继电器无人机 (UAV) 的可靠性.
- 作为关键可靠性指标,导出电源损耗和位误差率的分析表达式.
- 优化无人机参数以最大限度地降低比特错误率并最大限度地提高通信覆盖范围.
主要方法:
- 提出了基于环境参数的视线概率模型 (LOS).
- 制定了一个联合优化问题,通过调整无人机高度,高度和功率来最大限度地降低位错误率.
- 将非凸的优化问题分解为两个子问题,并开发了一种代算法.
主要成果:
- 获得总功耗损失和总位错误率的分析表达式.
- 确定最佳无人机高度在不同的可靠性指标上略有差异.
- 证明利用无人机移动性可以显著提高通信性能和可靠性.
结论:
- 无人机可以作为远程用户有效的编码合作中继.
- 对无人机参数的联合优化对于最大限度地提高通信可靠性和覆盖范围至关重要.
- 无人机的移动性为改善在具有挑战性的环境中无线通信性能提供了关键优势.
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