Intelligent Reflecting Surface-Empowered Terahertz Wireless Communications
Abstract
This article investigates the integration of Intelligent Reflecting Surface (IRS) technology into Terahertz (THz) wireless communication systems to enhance transmission reliability and coverage. Although THz communications can support ultra-high data rates and massive network capacity, they are highly susceptible to severe path loss, molecular absorption, and blockage effects, which significantly restrict transmission distance and link stability. To overcome these limitations, an IRS is deployed to intelligently reconfigure the wireless propagation environment by reflecting and steering THz signals toward the receiver, particularly when the direct link is obstructed. The study analyzes the impact of IRS-assisted THz communications on system coverage and overall performance. The results demonstrate that the incorporation of IRS technology substantially enhances system capacity, coverage, and communication reliability. Furthermore, the findings highlight that efficient IRS configuration and system design are essential for realizing the full potential of THz communications in next-generation wireless networks.
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Copyright (c) 2026 Mawada Abdulaziz Algaddari, Arwa Raouf Alfalah, Arwa Ahmed Alagoury, Basmalah Yousef Abdulhadi, Abdelhamid Salem
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