… receiver architecture for downlink NOMA-based TR communications, which does not require
precoding at the transmitter. In more detail, power-domain NOMA … NOMA-based TR receiver…

… Receiver complexity and error propagation of SIC receiver Since PD-NOMA schemes uses
SIC receivers, … In this section, some challenges of NOMA designs are highlighted with future …

… (NOMA) is to serve multiple users in the same resource block to improve the spectral efficiency.
Whereas due to the resource sharing, a security flaw of NOMA … of NOMA systems with …

… receiver design. However, in order to boost further the spectrum efficiency in the future, more
advanced receiver designs … -orthogonal multiple access (NOMA) scheme where multiple …

… was studied in [7] by fully exploiting the fact that NOMA users with strong … receiver design
for the CRS using NOMA was carried out in [8]. Kim and Lee [9] proposed a CRS using NOMA …

… In PD NOMA, superposition coding techniques at the transmitter and … ) at the receiver are
used, unlike the OMA. Further, HNOMA, which is an integrated method of PD and CD NOMA, is …

… It includes transmitter and receivers designs under the DL-based NOMA system. At transmitter
end, let ap and asn are the power coefficients of a PU and nth SU with ap > asn and ap + …

… To further simplify the problem design, we propose a zero-forcing beamforming-based NOMA
… to make (14d) feasible, which in turn results in low reception power at the ID receivers. We …

… new design challenges. This section presents the main practical challenges in designing
efficient … , the implementation complexity of the SU receivers is quite high owing to multi-user …

… In this study, the authors design NOMA for downlink energy harvesting (EH) multiple-… and
successive interference cancellation (SIC) is adopted at the receivers [1, 2]. The authors in [3] …