For forthcoming 5G networks, Non-Orthogonal Multiple Access (NOMA) is a very promising techniques. and in today's world, Line of Sight communication is becoming increasingly harder to achieve. Hence, technologies like Reconfigurable Intelligent Surfaces (RIS) emerge. RIS-aided NOMA networks is a widely researched implementation of RIS. The environment where these networks are employed are non-homogeneous & non-linear in nature. The effectiveness of these systems must thus be evaluated using generalized fading channels. In this paper, the performance of a RIS-aided NOMA is compared with conventional NOMA in alpha-mu and kappa-mu channels. This paper also shows that the well-known fading distribution are special cases of these generalized fading channels, both analytically and through simulation.

翻译：对于即将到来的5G网络，非正交多址接入（NOMA）是一项极具前景的技术。当今世界，视距通信正变得日益困难，因此，可重构智能表面（RIS）等新兴技术应运而生。RIS辅助的NOMA网络是RIS被广泛研究的一种实现方式。这些网络所处的环境本质上是非均匀且非线性的，因此必须采用广义衰落信道来评估此类系统的有效性。本文在alpha-mu与kappa-mu信道下，将RIS辅助的NOMA与传统NOMA进行了性能对比。本文还通过解析与仿真两种方式，证明了众所周知的衰落分布是这些广义衰落信道的特例。