Outage Probability of ABCom NOMA Systems for 6G with IQI and RHIs

Abstract

This paper considers an ambient backscatter communication (AmBC)-Non-orthogonal multiple access (NOMA) system with both in-phase and quadrature phase imbalance (IQI) and residual hardware impairments (RHIs). In particular, derive the analytic expressions of outage probability (OP) of each node in the presence of ideal and non-ideal conditions. In order to get further insights, we analyze the asymptotic behavior of OPs at high signal-to-noise ratios (SNRs). Through the comparison of theoretical analysis and Monte Carlo simulation, the correctness of the conclusions are verified.