通过携带轨道角动量的结构束进行联合通信和传感
Ruiyi Shen1, Yasaman Ghasempour2
1Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, USA.
Nature communications
|February 16, 2026
概括
这项研究整合了使用轨道角动量 (OAM) 束的通信和传感. 通过重新配置OAM模式,它可以同时实现高速数据传输和准确的目标定位在120 GHz.
科学领域:
- 物理 物理学 物理
- 电气工程 电气工程
- 无线通信无线通信
背景情况:
- 带有轨道角动量 (OAM) 的电磁束提供螺旋相结构和甜甜圈强度配置,适用于模式划分复杂化和毫米波和子特拉赫兹频率的传感.
- 在联合通信和传感系统中同时使用多个OAM模式是具有挑战性的,因为要求相互矛盾:通信需要并发的直角模式来实现吞吐量,而传感需要探测个别模式以寻找取决于位置的散射信号.
研究的目的:
- 调和使用轨道角动量 (OAM) 束的系统中通信和传感的相互矛盾的要求.
- 通过灵活地重新配置OAM模式来开发联合通信和传感的方法.
主要方法:
- 利用OAM复杂化的灵活性来重新配置OAM模式的子集,生成多样化的复合场分布.
- 导出关节感应性能的理论极限.
- 通过在120 GHz进行广泛的空中实验来验证该方法.
主要成果:
- 通过传感目标的反射来编码丰富的空间信息,证明了保持数据复杂化的直角性的能力.
- 与高速数据传输同时实现了准确的目标定位.
- 验证了基于OAM光束物理和MIMO无线传播的理论建模和实验设计.
结论:
- 拟议的方法有效地协调了高通量通信和使用OAM复杂化的精确传感的需求.
- 这种方法为毫米波和亚特拉赫兹模式的集成通信和传感系统开辟了新的可能性.
- 这些发现突显了OAM光束在先进无线应用中的潜力.
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