JZUS - Journal of Zhejiang University SCIENCE

Frontiers of Information Technology & Electronic Engineering

Accepted manuscript available online (unedited version)

2-bit dual-polarized reconfigurable intelligent metasurface with low power consumption for 6G near-field communication

Author(s): Xiaowei CAO, Changjiang DENG, Youjia YIN, Yinan HAO, Weidong HU, Zhewei FU, Zhiji DENG
Affiliation(s): School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China; more
Corresponding email(s): dengcj11@bit.edu.cn
Key Words: Reconfigurable intelligent surface (RIS); Dual polarization; Near-field communication; 6G communication

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Xiaowei CAO, Changjiang DENG, Youjia YIN, Yinan HAO, Weidong HU,Zhewei FU, Zhiji DENG. 2-bit dual-polarized reconfigurable intelligent metasurface with low power consumption for 6G near-field communication[J]. Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/FITEE.2400379

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author="Xiaowei CAO, Changjiang DENG, Youjia YIN, Yinan HAO, Weidong HU,Zhewei FU, Zhiji DENG",
journal="Frontiers of Information Technology & Electronic Engineering",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/FITEE.2400379"
}

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%T 2-bit dual-polarized reconfigurable intelligent metasurface with low power consumption for 6G near-field communication
%A Xiaowei CAO
%A Changjiang DENG
%A Youjia YIN
%A Yinan HAO
%A Weidong HU
%A Zhewei FU
%A Zhiji DENG
%J Frontiers of Information Technology & Electronic Engineering
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%@ 2095-9184
%D in press
%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/FITEE.2400379"

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T1 - 2-bit dual-polarized reconfigurable intelligent metasurface with low power consumption for 6G near-field communication
A1 - Xiaowei CAO
A1 - Changjiang DENG
A1 - Youjia YIN
A1 - Yinan HAO
A1 - Weidong HU
A1 - Zhewei FU
A1 - Zhiji DENG
J0 - Frontiers of Information Technology & Electronic Engineering
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%@ 2095-9184
Y1 - in press
PB - Zhejiang University Press & Springer
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doi="https://doi.org/10.1631/FITEE.2400379"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: Near-field communication using large-scale antenna arrays is one of the hot research topics in 6G communication. Reconfigurable intelligent surface (RIS) is a cost-effective method for manipulating electromagnetic waves in the near field. This article proposes a 2-bit dual-polarized RIS that has the merits of being low cost and having low power consumption, high phase accuracy, and polarization diversity. Each element consists of an aperture-coupled microstrip patch, two SP4T switches, and two groups of microstrip delay lines. 2-bit phase shift is achieved by using only one SP4T switch that controls the connection of four parallel delay branches. Dual polarization is generated by placing two orthogonal slots with two 2-bit phase shifters. A 15×15 RIS prototype operating in the 3.6 GHz band is fabricated and measured. The beam can be scanned in the ±60° range, with peak aperture efficiency of 40.1% for vertical polarization and 38.3% for horizontal polarization. What is more, the total power consumption of the RIS is merely about 100 mW, which is very attractive for massive deployment in 6G near-field communication.

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