Single-antenna super-resolution positioning with nonseparable toroidal pulses

IF 5.4 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Communications Physics Pub Date : 2024-10-29 DOI:10.1038/s42005-024-01850-z

Ren Wang, Pan-Yi Bao, Xiaoyu Feng, Junpu Wu, Bing-Zhong Wang, Yijie Shen

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Abstract

The fundamental principle of satellite/node-based positioning involves triangulating the receiver’s coordinates through the intersection of spatial distances. Advancements in hybrid wireless networks have yielded high-precision positioning at decimeter-level (wavelength-level), approaching the resolution limits in free space. Here we present a 3D super-resolution positioning paradigm in free space by utilizing a kind of topologically structured pulses, toroidal electromagnetic pulses. We demonstrate that the space-time nonseparability and skyrmion topology inherent in toroidal pulses can be harnessed to achieve freespace microwave 3D positioning with super-resolution accuracy, reaching the centimeter level, using a single emitting antenna. This work opens up avenues for exploring the potential applications of topological electromagnetic pulses including but not limited to positioning, imaging and sensing technologies. This paper presents a positioning paradigm in free space by utilizing toroidal electromagnetic pulses. The space-time nonseparability and skyrmion topology inherent in toroidal pulses are harnessed to achieve freespace microwave 3D positioning with super-resolution accuracy, reaching the centimeter level, using a single emitting antenna.

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利用非分离环形脉冲进行单天线超分辨率定位

卫星/节点定位的基本原理是通过空间距离的交叉对接收器的坐标进行三角测量。混合无线网络的进步已经实现了分米级（波长级）的高精度定位，接近自由空间的分辨率极限。在这里，我们利用一种拓扑结构脉冲--环形电磁脉冲，提出了一种自由空间三维超分辨率定位范例。我们证明，利用环形脉冲固有的时空不可分离性和天体拓扑结构，可以实现自由空间微波三维定位，其超分辨率精度可以达到厘米级，只需使用一个发射天线。这项工作为探索拓扑电磁脉冲的潜在应用开辟了道路，包括但不限于定位、成像和传感技术。本文提出了一种利用环形电磁脉冲在自由空间进行定位的范例。利用环形电磁脉冲固有的时空不可分离性和天磁拓扑结构，可实现自由空间微波三维定位，其超高分辨精度可达到厘米级，只需使用一个发射天线。

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来源期刊

Communications Physics Physics and Astronomy-General Physics and Astronomy

CiteScore

8.40

自引率

3.60%

发文量

276

审稿时长

13 weeks

期刊介绍： Communications Physics is an open access journal from Nature Research publishing high-quality research, reviews and commentary in all areas of the physical sciences. Research papers published by the journal represent significant advances bringing new insight to a specialized area of research in physics. We also aim to provide a community forum for issues of importance to all physicists, regardless of sub-discipline. The scope of the journal covers all areas of experimental, applied, fundamental, and interdisciplinary physical sciences. Primary research published in Communications Physics includes novel experimental results, new techniques or computational methods that may influence the work of others in the sub-discipline. We also consider submissions from adjacent research fields where the central advance of the study is of interest to physicists, for example material sciences, physical chemistry and technologies.

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