Cooperative MIMO system for WiMAX technology. - Samuel Medhn; Dereje Hailemariam (AFRICON, 2015)

Mobile data traffic forecasting in UMTS networks based on SARIMA model: The case of Addis Ababa, Ethiopia. - Samuel Medhn; Bethelhem Seifu Shawel; Amel Salem; Dereje Hailemariam (AFRICON, 2017)