Performance analysis of a RIS-assisted communications

TL;DR

This paper presents an analytical model to evaluate the performance of RIS-assisted communications in a simplified street scenario, focusing on coverage probability amid obstacles and concurrent transmissions.

Contribution

It introduces a novel analytical framework for assessing RIS performance in urban environments with obstacles, aiding future 6G standard development.

Findings

Coverage probability decreases with more obstacles.

RIS improves communication reliability in obstructed environments.

Model aligns with initial feasibility studies for 6G standards.

Abstract

Reconfigurable Intelligent Surfaces (RIS) are currently considered for adoption in future 6G stantards. ETSI and 3GPP have started feasibility and performance investigations of such a technology. This work proposes an analytical model to analyze RIS performance. It relies on a simple street model where obstacles and mobile units are all aligned. RIS is positioned onto a building parallel to the road. The coverage probability in presence of obstacles and concurrent communications is then computed as a performance criteria.