在无人机辅助的分速多重接入系统中进行秘密通信性能评估
Nguyen Hong Nhu1, Le Chi Bao2, Bui Vu Minh3
1Faculty of Engineering and Technology, Saigon University, Ho Chi Minh City, Vietnam.
PloS one
|August 26, 2025
概括
速度分割多重访问 (RSMA) 增强无人机网络中的秘密通信. 与非直角多重访问 (NOMA) 相比,RSMA显著提高了系统的隐蔽性.
科学领域:
- 无线通信
- 网络安全
- 空中网络
背景情况:
- 无人机网络面临安全挑战,特别是秘密通信.
- 现有的多重访问方案可能不足以满足无人机系统的隐蔽性要求.
- 敌人 (例如威利) 的监控需要强有力的安全措施.
研究的目的:
- 在多用户无人机下线网络中调查分速多重访问 (RSMA) 的应用.
- 分析系统的隐蔽性和性能.
- 优化无人机部署以实现最大的系统隐蔽性.
主要方法:
- 开发了一个全面的绩效评估分析框架.
- 关键性能指标的衍生闭式表达式:检测错误概率 (DEP),中断概率 (OP) 和错误率 (ER).
- 采用了无人机静态定位的交替优化算法,并在高SNR区域进行了异面分析.
主要成果:
- 使用威利的检测错误概率 (DEP) 量化系统隐蔽性.
- 在Nakagami-m色下分析了合法用户的中断概率 (OP) 和机动率 (ER).
- 确定最佳无人机位置以最大限度地隐藏.
- 与非对角多重访问 (NOMA) 相比,RSMA 显示了显著的隐蔽优势.
结论:
- 在无人机网络中加强秘密通信.
- 拟议的分析框架和优化算法有效评估和改善系统的隐蔽性.
- 在被监控的无人机环境中,RSMA的隐蔽性优于NOMA.
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