… the spectrum efficiency by employing both CR and NOMA … CR AmBC system relying on
NOMA can obtain better reliability … associated with NOMA; 5) We find energy efficiency factor as …

… energy-efficient resource allocation (RA) problem in non-orthogonal multiple access enabled
backscatter communication networks (NOMA… RA problem for NOMA-BackComNet with QoS …

… the energy efficiency of a backscatterenabled cooperative Non-orthogonal multiple access
(NOMA) … A three-stage low-complexity energy-efficient alternating optimization algorithm is …

… Thus, the objective is to maximize the total energy efficiency of the NOMA IoV network subject
… total energy efficiency of AmBC-enabled NOMA IoV network. The total energy efficiency of …

… This work aims to provide energy-efficient communication in AmBC-enhanced NOMA …
coefficient at backscatter sensors. The total transmit power of the system can be written as …

… energy efficiency by jointly optimizing the phaseshifts of IRS’s reflecting elements and the
power allocation of NOMA … is applied to obtain maximum energy efficiency. Simulation results …

… enabled uplink sensor communications will demand advanced energy-efficient resource …
is no energy-efficient RA optimization framework for NOMA-enabled backscatter aided uplink …

… the achievable energy efficiency of backscatter-aided NOMA networks. … backscatter
communication in IoT networks. The work in [16] has investigated the system spectral efficiency by …

… (NOMA) communication mode is proposed. In order to maximize the … energy efficiency (CEE)
of the system, we jointly optimize the backscatter coefficient of each MD, the backscatter …

… This paper considers a new optimization framework for a backscatter-aided NOMA cooperative
communication, where a BS transmits superimposed data to two NOMA users. This work …