Non-orthogonal multiple access (NOMA) has been conceived as a breakthrough technology for the fifth generation (5G) wireless networks. With imperfect channel state information …
Y Zou, J Zhu, B Zheng, YD Yao - IEEE transactions on signal …, 2010 - ieeexplore.ieee.org
In this correspondence, an adaptive cooperation diversity scheme with best-relay selection is proposed for multiple-relay cognitive radio networks to improve the performance of …
W Xu, R Qiu, XQ Jiang - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, we study resource allocation problems for a two-tier cognitive heterogeneous network in interweave spectrum sharing mode. Secondary users (SUs) in small cells (SCs) …
F Kara, H Kaya - IEEE access, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is one of the key technologies to serve in ultra- dense networks with massive connections which is crucial for Internet of Things. Besides …