In this article, a novel two-phase transmission protocol is proposed to help the bidirectional
transmission in a user-aid two-way cooperative nonorthogonal multiple access system …

In this article, we study the combination of NOMA and full-duplex operation as a promising
solution to improve the capacity of next-generation wireless systems. We study the …

This work addresses the energy efficiency maximization for a downlink cooperative full-
duplex non-orthogonal multiple access (FD-NOMA) system in the presence of imperfect self …

Non-orthogonal multiple access (NOMA) is considered to be a significant multiple radio
access technology for future wireless networks owing to its improved spectral efficiency. This …

A half-duplex bidirectional relaying (BR) technique using non-orthogonal multiple access
(NOMA)(termed as BR-NOMA) is proposed and investigated in this paper. In BR-NOMA …

This paper investigates a cooperative uplink system where two users wish to send
messages to a base station with the help of a buffer-aided relay. Transmission modes in …

A cooperative non-orthogonal multiple access (CNOMA) system and an orbital angular
momentum (OAM)-based multiple-input multiple-output multiplexing system is proposed as …

This paper presents a non-orthogonal multiple access (NOMA)-assisted full-duplex (FD)
cooperative spectrum sharing protocol to achieve full-rate at a cell-edge primary user, where …

This article studies a new non‐orthogonal multiple access (NOMA) assisted decode‐and‐
forward cooperative relay (NOMA‐DFCR) system, where the downlink NOMA principle is …

In this paper, we demonstrate that due to large variations in link signal-to-noise-ratios, the
key to good performance in underlay cooperative non-orthogonal multiple access (CNOMA) …