Narrowband internet of things (NB-IoT) : from physical (PHY) and media access control (MAC) layers perspectivesMwakwata, Collins Burton; Malik, Hassan; Alam, Muhammad Mahtab; Le Moullec, Yannick; Pärand, Sven; Mumtaz, ShahidSensors2019 / art. 2613, 34 p.: ill https://doi.org/10.3390/s19112613 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS