Large-scale IoT sensor network planning based on empirical NB-IoT and LTE CAT-M measurements for underground water systemRoosipuu, Priit; Annus, Ivar; Kuusik, Alar; Kändler, Nils; Alam, Muhammad MahtabIEEE Open Journal of the Communications Society2025 / p. 9775-9784 https://doi.org/10.1109/OJCOMS.2025.3636292 https://ieeexplore.ieee.org/document/11264511 Article at Scopus