一个低复杂度的M形可重新配置的智能元表面,用于减轻无线系统中的路径损失
Maira Khafagy1,2, Sherief Fathi3, Ahmed Magdy3
1Department of Physics, School of Science and Engineering, The American University in Cairo, New Cairo, Egypt. mayra.mohamed@eng.suez.edu.eg.
Scientific reports
|July 8, 2025
概括
本研究介绍了一种新的低复杂度M形重配置智能元表面 (LCM-RIM),用于对抗6G无线系统中的信号损失. 通过将信号强度提高到15dB,LCM-RIM可以增强室内毫米波 (mmWave) 通信.
科学领域:
- 无线通信无线通信
- 超材料是指一种超材料.
- 电磁学 电磁学 电磁学 电磁学
背景情况:
- 未来的6G系统在毫米波 (mmWave) 频段面临重大路径损失挑战,特别是在室内.
- 需要创新的解决方案来增强在封闭环境中的信号传播和覆盖范围.
研究的目的:
- 提出和评估一种新的低复杂度M形重配置智能元表面 (LCM-RIM),以减轻室内mmWave路径损失.
- 为了证明LCM-RIM在增强未来6G网络接收信号强度方面的有效性.
主要方法:
- 使用低损耗的罗杰斯基底和AlGaAsPIN二极管用于在24.12GHz的1位相调节的紧,单层LCM-RIM单元电池的设计.
- 实现32x32 (1024个元素) 阵列配置,用于被动光束成形和增强增强.
- 使用 MATLAB 模拟来评估系统级性能的数值路径损失模型的开发和验证.
主要成果:
- 该LCM-RIM可实现pi和0的离散相位移,从而促进有效的波面操纵.
- 模拟验证了路径损失模型,显示了LCM-RIM能够提高接收信号强度高达15dB的能力.
- 该设计轻量化,具有成本效益,并且可扩展,用于室内环境中的大面积覆盖.
结论:
- 拟议的LCM-RIM为克服室内环境中的毫米波路径损失提供了实用和高效的解决方案.
- 这项技术在未来的6G无线通信系统中具有很大的部署潜力,提高了可靠性和性能.
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