… on the robust EE maximization in underlay CRNs. In this paper, we investigate the robust EE
maximization … approach for robust design and formulate the EE maximization problem in the …

… In particular, considering a non-linear energy harvesting (EH) model, our objective is to
design the transmit covariance matrix to maximize the secrecy energy efficiency (SEE) under the …

… robust RA algorithm is proposed for robust transmission to maximize the sum energy efficiency
(EE) of … Moreover, it is also demonstrated that cognitive radio networks (CRNs) can further …

… wireless system model and we formulate the problem of dynamic energy efficiency maximization
… conclusions apply to a wide range of wireless network parameters and specifications. …

… Our goal is to maximize the energy efficiency of cognitive user with the constraints on that
the total interference of cognitive users on primary user is below a given threshold and each …

… Our aim is to maximize the energy efficiency of the cognitive radio networks while … are used
to depict channel uncertainties and a robust energy efficiency algorithm (REEA) is proposed …

… access network with the … maximize the worst-case energy efficiency (EE), which is defined
as the ratio of the sum of worst-case group rates to the total power consumption of the network. …

… Moreover, by harvesting renewable energy, the UAV can replenish energy actively … to
maximize the outage energy efficiency (OEE) for the UAV-EH-CRN, subject to constraints of energy…

… on optimizing the energy efficiency of an underlay cognitive radio (CR) network for secure
data … In this section, we develop a tractable approach to solve the robust SEE maximization …

… the BD’s energy harvesting (EH) ability. In this paper, we aim to maximize the energy efficiency
(EE) of an SR system that includes multiple BDs each being able to harvest energy while …