Plain Text:

S. Kumar and S. Misra, "Procurement-Based User Association for LTE-Advanced HetNets," in IEEE Systems Journal, vol. 14, no. 3, pp. 3194-3201, Sept. 2020, doi: 10.1109/JSYST.2019.2937049.

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Bibtex:

@ARTICLE{8825460,  author={Kumar, Satendra and Misra, Sudip},  journal={IEEE Systems Journal},   title={Procurement-Based User Association for LTE-Advanced HetNets},   year={2020},  volume={14},  number={3},  pages={3194-3201},  doi={10.1109/JSYST.2019.2937049}}