In this paper, we investigate and reveal the ergodic sum-rate gain (ESG) of non-orthogonal
multiple access (NOMA) over orthogonal multiple access (OMA) in uplink cellular …

This article proposes a novel framework of resource allocation in multi-cell intelligent
reflecting surface (IRS) aided non-orthogonal multiple access (NOMA) networks, where an …

Aerial-ground interference mitigation is a challenging issue in the emerging cellular-
connected unmanned aerial vehicle (UAV) communications. Due to the strong line-of-sight …

Nonorthogonal multiple access (NOMA) and mobile edge computing (MEC) have been
emerging as promising techniques in narrowband Internet of Things (NB-IoT) systems to …

Non-orthogonal multiple access (NOMA) is one promising technology, which provides high
system capacity, low latency, and massive connectivity, to address several challenges in the …

In this paper, user association and power allocation are investigated in a non-orthogonal
multiple access (NOMA)-based multi-cell network. In order to perform successive …

An intelligent reflecting surface (IRS) is an emerging technology in the next-generation (B5G
and 6G) wireless communications with the aim of improving the spectral/energy efficiency of …

In this paper, we study the performance of reconfigurable intelligent surfaces (RISs) in a
multicell broadcast channel (BC) that employs improper Gaussian signaling (IGS) jointly with …

In this paper, we investigate the problems of sum power minimization and sum rate
maximization for multi-cell networks with non-orthogonal multiple access. Considering the …

Non-orthogonal multiple access (NOMA) has potentials to improve the performance of multi-
beam satellite systems. The performance optimization in satellite-NOMA systems could be …