M Cui, BJ Hu, X Li, H Chen, S Hu, Y Wang - IEEE Access, 2017 - ieeexplore.ieee.org
… Abstract—To achieve the maximum networkenergyefficiency (EE) and guarantee the … ) cognitive radionetwork (CRN), we investigate two power optimization problems, ie, network EE …
T Zhang, W Chen, F Yang - … Communications and Networking, 2017 - ieeexplore.ieee.org
… efficiency is a permanent aim in wireless system design. As a mature technique to improve spectrum efficiency, cognitive radio … in OFDM-based cognitive radionetworks (CRNs) utilizing …
M Ahmad, FA Orakzai, A Ahmed, M Naeem… - Telecommunication …, 2019 - Springer
… , energyefficiency and spectral efficiency. This paper presents problem formulation for maximization of energyefficiency of cognitive radio assisted D2D networks … network. Cognitive …
… In this paper, we propose an energyefficient cooperative … CR manager through an energy efficient cooperative algorithm, it … the energyefficiency due to the wake up energy modeling in …
L Lu, D He, X Yu, GY Li - 2013 IEEE global communications …, 2013 - ieeexplore.ieee.org
… resource allocation for underlay cognitive radio (CR) networks, where the CR users coexist … on the energyefficiency (EE) performance of the system, where both throughput and energy …
… Networks. The transmission and reception of the packets used a radio frequency signal in this algorithm. This algorithm is derived equations which calculates the energyefficiency while …
Y Pan, X Da, H Hu, Z Zhu, R Xu, L Ni - IEEE Access, 2019 - ieeexplore.ieee.org
… studied to achieve the maximum achievable energyefficiency in this paper. To achieve the … 2) A non-convex optimization problem to maximize the UAV’s energyefficiency is formulated…
… a multicarrier-based cognitive radio (CR) network. More specifically, we investigate the problem of secondary users’ energy-efficiency (EE) maximization problem under secondary total …
MC Oto, OB Akan - IEEE Transactions on Wireless …, 2012 - ieeexplore.ieee.org
Cognitive Radio (CR) and its dynamic spectrum access capabilities can be exploited by … wireless network architectures including sensor networks. Thus, cognitive radio sensor networks …