合作式非直角多个接入传输的光束成形与全双重继电,适用于安全攻击
Duckdong Hwang1, Sung Sik Nam2, Janghoon Yang3
1Department of Information and Communication Engineering, Sejong University, Seoul 05006, Republic of Korea.
Sensors (Basel, Switzerland)
|February 26, 2025
概括
我们开发了两个光束成形方案,用于使用全双重 (FD) 解码和转发 (DaF) 继电器的合作非直角多重访问 (CNOMA) 系统. 这些方案提高了端到端的信息速率,即使在窃听安全攻击的情况下.
科学领域:
- 无线通信无线通信
- 信息理论 信息理论
- 信号处理 信号处理
背景情况:
- 合作非直角多重接入 (CNOMA) 提高了光谱效率.
- 完全双重 (FD) 继电器提供潜在的吞吐量增长,但引入自我干扰 (SI).
- 解码和转发 (DaF) 继电器对于扩展网络覆盖范围至关重要.
研究的目的:
- 为CNOMA的FD中继通道提出和评估低于最佳的光束成形方案.
- 为了优化端到端的信息速率,考虑相互信息.
- 分析窃听者的安全攻击下的性能.
主要方法:
- 为接入点 (AP) 和继电器开发了两个次优束形算法.
- 对于一个算法,利用了一种二次制约的二次编程 (QCQP) 代方法.
- 实现了基于零强迫的光束成形算法作为参考.
- 修改了算法,以解决窃听场景.
主要成果:
- 拟议的光束成形方案有效地提高了端到端的信息率.
- 对标准的CNOMA FD中继通道和那些有安全攻击的中继通道的性能进行了评估.
- 模拟结果验证了开发算法的效率.
结论:
- 拟议的光束成形策略对于CNOMA的FD中继网络是有效的.
- 这些方案证明了对窃听尝试的稳定性.
- 这项工作有助于提高先进无线系统的性能和安全性.
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