Performance Analysis of Multi-Reconfigurable Intelligent Surface-Empowered THz Wireless Systems

TL;DR

This paper develops a theoretical framework to evaluate the performance of multi-RIS THz wireless systems, considering turbulence, beam misalignment, and hardware imperfections, providing insights into their joint impact on system reliability.

Contribution

It introduces a closed-form expression for outage probability that accounts for turbulence, misalignment, and hardware imperfections in multi-RIS THz systems.

Findings

Outage probability is significantly affected by turbulence and misalignment.

Accurate modeling of turbulence and misalignment is crucial for system performance assessment.

Hardware imperfections also impact the reliability of THz wireless links.

Abstract

In this paper, we introduce a theoretical framework for analyzing the performance of multi-reconfigurable intelligence surface (RIS) empowered terahertz (THz) wireless systems subject to turbulence and stochastic beam misalignment. In more detail, we extract a closed-form expression for the outage probability that quantifies the joint impact of turbulence and misalignment as well as the effect of transceivers' hardware imperfections. Our results highlight the importance of accurately modeling both turbulence and misalignment when assessing the performance of multi-RIS-empowered THz wireless systems.