A machine learning approach to achieving energy efficiency in relay-assisted LTE-a downlink systemHassan, Hammad; Ahmed, Ifran; Ahmad, Rizwan; Khammari, Hedi; Bhatti, Ghulam; Ahmed, Waqas; Alam, Muhammad MahtabSensors2019 / art. 3461, 25 p. : ill https://doi.org/10.3390/s19163461 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS