… power consumption. Our goal is to maximize EE subject to a minimum required data rate for
each user, which leads to a nonconvex fractional programming problem. To solve it, we first …

… It is shown that with the highest spectral efficiency and lowest power consumption, the
hybrid power allocation strategy performs the best in terms of energy efficiency. To sum up, …

… channel estimation, we introduce the detailed process of the nonorthogonal channel … on
other performance metrics, eg, total power consumption, energy efficiency, and user fairness. …

… consumption of periodical data collection in a self-powered IoT network with non-orthogonal …
outperforms the FDMA and TDMA in terms of energy consumption and transmission power. …

… as a function of altitude and transmission power allocation. The total power consumption
is computed as the sum of the transmission power and the power consumption of the UAV-BS …

… unit power consumption) maximization problem in fading MIMO channels under both the
total transmit power … Since the EE optimization problem is generally non-convex and ergodic …

… The total power consumption consists of two parts: the … Thus, iteratively updating power will
increase or at least … limited transmit power in each cluster, we will obtain a monotonically non-…

… CDMA, and thus the MA is executed non-orthogonally in the time-frequency domain. This …
SE with a given power budget, and (ii) to minimize the power consumption while providing a …

… power allocation is investigated for the downlink hybrid NOMA systems. Under two different
power consumption … of converting the original mixed integer non-linear programming (MINLP…

… optimal solutions for both orthogonal and non-orthogonal multiple access … power. Our
numerical results demonstrate the superiority of non-orthogonal multiple access over its orthogonal …