加强NOMA系统中的秘密通信,以共同的安全和秘密设计
Thanh Binh Doan1, Tien-Hoa Nguyen2
1Department of Electronics and Telecommunications, Electric Power University, Hanoi, Vietnam.
PloS one
|January 13, 2025
概括
这项研究增强了针对窃听者的非直角多重访问 (NOMA) 系统中的秘密通信. 优化功率分配显著提高了秘密传输安全性和数据速率.
科学领域:
- 无线通信无线通信
- 信息安全 信息安全
- 网络工程 网络工程
背景情况:
- 物联网 (IoT) 设备增加了通过无线系统数据泄露的脆弱性.
- 秘密通信提供了增强的数据隐私,补充了物理层的安全性.
- 非直角多重访问 (NOMA) 系统面临着窃听敏感信息的挑战.
研究的目的:
- 在窃听场景下,在NOMA系统中为附近用户增强安全的数据传输.
- 分析系统性能指标,包括中断概率 (OP),保密中断概率 (SOP) 和检测错误概率 (DEP).
- 为了优化资源功率分配,尽量减少OP并最大限度地提高隐蔽速率.
主要方法:
- 对NOMA系统进行全面的数学分析,包括对OP,SOP和DEP的精确和不对称的闭式表达式.
- 用户隐藏和公开费率的封闭式公式的推导.
- 制定资源功率分配优化问题,以满足安全性和性能要求.
主要成果:
- 为关键性能指标衍生出了准确和不对称的闭式表达式.
- 获得了低于最佳功率分配系数的封闭式解决方案.
- 拟议的电力分配策略显示,与固定分配相比,性能有了显著的改善.
结论:
- 该分析框架有效地模拟和分析NOMA系统中的秘密通信.
- 优化功率分配对于提高秘密NOMA传输中的安全性和数据速率至关重要.
- 拟议的方法提供了一种可靠的方法,以在窃听者面前保护无线通信.
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