Performance Evaluation of Reconfigurable Intelligent Surface Assisted D-band Wireless Communication

TL;DR

This paper evaluates the performance of reconfigurable intelligent surfaces in D-band wireless communication, focusing on pathgain and capacity, to address blockage issues in high-frequency bands like millimeter wave and terahertz.

Contribution

It investigates the use of RIS to enhance D-band communication links, analyzing how design parameters and geometry affect system performance.

Findings

RIS improves link reliability in D-band frequencies.

Pathgain and capacity depend on RIS design and transceiver positioning.

Results demonstrate potential for RIS in high-frequency wireless systems.

Abstract

In the recent years, the proliferation of wireless data traffic has led the scientific community to explore the use of higher unallocated frequency bands, such as the millimeter wave and terahertz (0.1-10 THz) bands. However, they are prone to blockages from obstacles laid in the transceiver path. To address this, in this work, the use of a reconfigurable-intelligent-surface (RIS) to restore the link between a transmitter (TX) and a receiver (RX), operating in the D-band (110-170 GHz) is investigated. The system performance is evaluated in terms of pathgain and capacity considering the RIS design parameters, the TX/RX-RIS distance and the elevation angles from the center of the RIS to the transceivers.