We propose an uplink cooperative non-orthogonal multiple access (NOMA) system, where a
dedicated relay used to help two uplink users transmitting information to the base station. A …

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 …

In this paper, we propose a downlink nonorthogonal multiple access (NOMA) based
coordinated direct and relay system with one cell-center user and multiple cell-edge users …

Cooperative non-orthogonal multiple access (NOMA) enhances the spectral efficiency and
massive connectivity in wireless systems. In this paper, we present a performance analysis …

This paper proposes a new communication protocol for a cooperative non-orthogonal
multiple access (NOMA) system. In this system, based on users' channel conditions, each …

In this paper, we investigate a coordinated direct and relay transmission for uplink (CDRT-
UL) of a cooperative non-orthogonal multiple access (NOMA) system, in which two users …

In this paper we apply multi-carrier non-orthogonal multiple access to the relay network and
evaluate the performance of the cooperative non-orthogonal multiple access (Co-NOMA) …

With the development of the non-orthogonal multiple access (NOMA) technology,
cooperative non-orthogonal multiple access (C-NOMA) has received extensive attentions as …

Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques in
5G communication networks. In this paper, a cooperative NOMA relaying scheme with two …

Non-orthogonal multiple access (NOMA) is a key to multiple access techniques for the next
generation 5G wireless communication networks. In this paper, to improve the performance …