This paper investigates the optimization of reconfigurable intelligent surface (RIS) in an
integrated sensing and communication (ISAC) system. To meet the demand of growing …

Non-orthogonal multiple access (NOMA) is a promising candidate beyond 5G and 6G to
improve spectral efficiency by sharing the same resource block with other users. However …

Both intelligent reflecting surface (IRS) and non-orthogonal multiple access (NOMA) are the
cutting-edge technologies for future wireless communications. In this letter, we examine the …

In this paper, we propose a new transmission scheme, relying on user clustering, transmit
beamforming and power allocation, for non-orthogonal multiple access (NOMA) in a …

An optimum user power allocation solution to maximize the energy efficiency (EE) in a non-
orthogonal multiple access (NOMA) system with imperfect channel state information at …

In this paper, we analyze the average transmit power of non-orthogonal multiple access
(NOMA) systems with requirements on the user signal-to-interference-plus-noise-ratios …

This article focuses on the exploitation of reconfigurable intelligent surfaces (RISs) in
multiuser networks employing orthogonal multiple access (OMA) or non-orthogonal multiple …

Non-orthogonal multiple access (NOMA) has been envisioned as a promising multiple
access technique for 5G and beyond wireless networks due to its significant enhancement of …

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 …

Non-orthogonal multiple access (NOMA) has recently been considered as a key enabling
technique for 5G cellular systems. In NOMA, by exploiting the channel gain differences …