@ARTICLE {30224,
author={S.  Wan and J.  Hu and S.M. Mumtaz and Q.  Pei},
doi={10.1109/TNSE.2020.3035616},
journal={IEEE Transactions on Network Science and Engineering},
title={Fair-Hierarchical Scheduling for Diversified Services in Space, Air and Ground for 6G-Dense Internet of Things},
year={2020},
month={November},
volume={33},
number={4},
pages={1-1},
ISSN={2327-4697}
}