This paper investigates the solution to an optimisation problem to minimise the total transmission power at the transmitter in a cooperative non-orthogonal multiple access …
A Kumar, K Kumar - Physical Communication, 2021 - Elsevier
Abstract Presently, Secondary Networks (SNs) are gleaned from rising capacity with reducing interference together instead of making them energy-efficient for green …
Combining energy harvesting with cognitive radio and nonorthogonal multiple access (NOMA) techniques will be a notable candidate for improving both energy and spectral …
This paper applies machine learning to optimize the transmission policies of cognitive radio inspired non-orthogonal multiple access (CR-NOMA) networks, where time-division multiple …
W Zhao, R She, H Bao - IEEE Access, 2019 - ieeexplore.ieee.org
The security energy efficiency (SEE) is investigated in a two way-full duplex (TW-FD) relay assisted cognitive radio non-orthogonal multiple access (CR-NOMA) networks. In order to …
Z Song, X Wang, Y Liu, Z Zhang - IEEE access, 2019 - ieeexplore.ieee.org
In a conventional cognitive radio (CR) network, only when the primary user's (PU) frequency bands are sensed to be free, secondary users (SUs) can utilize these frequency band …
F Li, H Jiang, R Fan, P Tan - IEEE Transactions on Vehicular …, 2019 - ieeexplore.ieee.org
We consider a cognitive radio system, in which a secondary transmitter harvests energy from a primary transmitter's RF signal. The secondary transmitter, which provides decode-and …
DT Do, CB Le, AT Le - … Computing Electronics and Control), 2019 - telkomnika.uad.ac.id
In this paper, a downlink scenario of a non-orthogonal multiple access (NOMA) scheme with power constraint via spectrum sensing is considered. Such network provides improved …
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 …