Cooperative nonorthogonal multiple access (NOMA) system is an effective solution for the
fifth generation (5G) wireless mobile communications systems. In this work, the achievable …

In this paper, the power allocation of Non-orthogonal multiple access (NOMA) for secondary
users in underlay cognitive radio is studied. In underlay cognitive radio networks, the …

This paper investigates the impact of residual transceiver hardware impairments (RTHIs) on
cooperative non-orthogonal multiple access (NOMA) networks, where generic fading …

Non-orthogonal multiple access (NOMA) holds the promise to be a key enabler of 5G
communication. However, the existing design of NOMA systems must be optimized to …

This paper investigates the performance of non-orthogonal multiple access (NOMA)-based
coordinated direct and relay transmission (CDRT) networks with short-packet …

In this paper, we investigate a downlink cooperative non-orthogonal multiple access
(NOMA) network with decode-and-forward relaying, where two scenarios of user relaying …

It is challenging for the base station (BS) to serve multiple cell-edge users concurrently with
data rate guarantee due to limited power and spectrum resource. Using the relay enhances …

For future wireless communication networks to be highly efficient with both spectrum and
energy, reconfigurable intelligent surface (RIS) has emerged as a practical technology. In …

In this work, non-orthogonal multiple access (NOMA) in coordinated direct and relay
transmission (CDRT) is introduced, where a base station (BS) directly communicates with …

Non-orthogonal multiple access (NOMA) is considered as one of the key technologies for
the fifth generation (5G) wireless communications. The integration of NOMA and device-to …