@ARTICLE {31926,
author={C.  Le and D.  Do and A.  Silva and W.  Khan and W.  Khalid and H.  Yu and N.  Nguyen},
doi={10.1109/ACCESS.2021.3139118},
journal={IEEE Access},
title={Joint Design of Improved Spectrum and Energy Efficiency with Backscatter NOMA for IoT},
year={2021},
month={December},
volume={10},
number={2022},
pages={7504-7519},
ISSN={}
}