Modeling, Design, and Verification of an Active Transmissive RIS

IF 4.6 1区 计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Antennas and Propagation Pub Date : 2024-10-30 DOI:10.1109/TAP.2024.3485183
Rongguang Song;Haifan Yin;Zipeng Wang;Taorui Yang;Xue Ren
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引用次数: 0

Abstract

Reconfigurable intelligent surface (RIS) is a promising technology that may effectively improve the quality of signals in wireless communications. In practice, however, the “double fading” effect undermines the application of RISs and constitutes a significant challenge to its commercialization. To address this problem, we present a novel 2-bit programmable amplifying transmissive RIS with a power amplification function to enhance the transmission of electromagnetic (EM) signals. The transmissive function is achieved through a pair of radiation patches located on the upper and lower surfaces, respectively, while a microstrip line connects two patches. A power amplifier, an SP4T switch, and a directional coupler provide signal amplification and a 2-bit phase shift. To characterize the signal enhancement of active transmissive RISs, we propose a dual radar cross section (RCS)-based path loss model to predict the power of the received signal for active transmissive RIS-aided wireless communication systems. Simulation and experimental results verify the reliability of the RIS design, and the proposed path loss model is validated by measurements. Compared with the traditional passive RIS, the signal power gain in this design achieves 11.9 dB.
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有源透射式 RIS 的建模、设计和验证
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来源期刊
CiteScore
10.40
自引率
28.10%
发文量
968
审稿时长
4.7 months
期刊介绍: IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques
期刊最新文献
Table of Contents 2024 Industrial Innovation Award 2024 Distinguished Industry Leader Award 2024 IEEE AP-S Piergiorgio L.E. Uslenghi Prize Paper Award 2024 IEEE AP-S Harold A. Wheeler Application Prize Paper Award
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