Programmable metasurface for front-back scattering communication

Author:

Li Haipeng1,Xin Kewei2,Ding Haiyang2,Li Tangjing3,Hu Guangwei4,Xu He-Xiu3ORCID

Affiliation:

1. National University of Defense Technology, Test Center , 710106 , Xi’an , China

2. National University of Defense Technology, College of Information and Communication , 430035 , Wuhan , China

3. Air Force Engineering University, Air and Missile Defense College , 710051 , Xi’an , China

4. Nanyang Technological University, School of Electrical and Electronic Engineering , 637371 , Singapore , Singapore

Abstract

Abstract Achieving high-efficient and low-power communication is pivotal yet very challenging in the emerging technologies. Unlike conventional backscatter communication system, we propose and demonstrate an amplitude-reconfigurable metasurface loaded with PIN diodes to build a front-back scattering communication transmitter, which features the exclusive advantages of full-space secondary modulation of the ambient signals with high energy utilization efficiency. Meanwhile, this device can eliminate the interference originated from the ambient source by polarization conversion in the transmission channel. At a modulation rate of 800 kbps and a distance of 80 m, our system can achieve distortion-free transmission of a picture with size of 200 × 200 pixels. In addition, multiple amplitude-shift-keying modulation is also realized by segmenting the metasurface to further increase the communication rate. Due to the advantages of high spectral efficiency and low energy consumption, this system can be widely used in future engineering applications for the internet of things, especially for smart home, agriculture environmental monitoring, wearable sensing and others.

Funder

the NUDT Research Fund

the Natural Science Basic Research Program of Shaanxi

National Defense Foundation for Distinguished Young Scholars

National Natural Science Foundation of China

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Noninterleaved Bidirectional Metasurface for Spatial Energy Allocation;IEEE Transactions on Antennas and Propagation;2024-08

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