@ARTICLE {33021, author={A. Sabah and R. Oliveira and M. Rahman and . Flizikowski}, doi={10.1109/LCOMM.2022.3151324}, journal={IEEE Communications Letters}, title={The Importance of Repetitions in Ultra-Dense NB-IoT Networks}, year={2022}, month={May}, volume={26}, number={5}, pages={1199-1203}, ISSN={1089-7798} }