Open Journal Systems

Analyzing device-to-device communication performance with amplify-and-forward relaying amid co-channel interference

Huu Quy Tran

Article ID: 2327
Vol 1, Issue 1, 2023

DOI: https://doi.org/10.54517/cte.v1i1.2327
VIEWS - 97 (Abstract)

Abstract

Currently, the pressing issue of spectrum limitation, driven by the increasing demand for wireless communication services, has led to the challenge of co-channel interference (CCI) due to the reuse of frequencies in wireless networks. To address this, non-orthogonal multiple access (NOMA) has emerged as a solution. This report conducts a thorough evaluation of NOMA’s system performance over independent and non-identical Rayleigh fading channels in device-to-device (D2D) communications networks, where CCI is significant. The analysis includes examining the probability density function (PDF) and cumulative distribution function (CDF) of the upper SINR threshold. Communication channels are defined as independent and non-identical Rayleigh fading channels, and probability expressions are formulated to assess system failure likelihood for two users. Additionally, Monte-Carlo simulations are conducted to validate the proposed theoretical mathematical expressions.

Keywords

amplified-and-forward; co-channel interference; outage probability; speed; throughput

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