A Low-Cost Structure for Reducing Reflection Loss in Intelligent Reflecting Surface of Liquid Crystal

研究成果: ジャーナルへの寄稿学術論文査読

抄録

In this letter, a structure to reduce the reflection loss in intelligent reflecting surface of liquid crystal (IRS-LC) is proposed. The loss in IRS-LC is analyzed, indicating that the electric field in the liquid crystal (LC) is a primary cause. To address this issue, a structure by introducing a loss suppression structure beneath the LC layer is presented. Theoretical analysis confirms the low reflection loss characteristic of the structure, and a 15 × 15 prototype IRS-LC array is fabricated and measured. Simulated and measurement results show that the proposed IRS-LC has a maximum reflection loss reduction of 11.3 dB, a magnitude variation reduction of 8.5 dB at 40.3 GHz, and a reflection phase range of 204. The results validates the proposed structure in reducing the reflection loss. Furthermore, the proposed IRS-LC structure has the advantages of low cost and easy processing.

本文言語英語
ページ(範囲)3027-3031
ページ数5
ジャーナルIEEE Antennas and Wireless Propagation Letters
22
12
DOI
出版ステータス出版済み - 2023 12月 1

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