Joint adaptive modulation and adaptive MIMO system for fading channels in 3GPP LTE. - Estifanos Yohannes; Dereje Hailemariam (AFRICON, 2015)

Equal Area User Clustering Algorithm for Energy Efficient Cellular Network. - Hailu Belay Kassa; Shanko Chura Aredo; Estifanos Yohannes; Dereje Hailemariam; Yacob Astatke; Farzad Moazzami; Wondimu K. Zegeye (CHASE, 2016)

Investigation of RLS beamforming algorithm interms of energy efficiency. - Hailu Belay Kassa; Tezera Yitbarek Chernet; Estifanos Yohannes; Dereje Hailemariam; Yacob Astatke; Farzad Moazzami; Wondimu K. Zegeye (CISS, 2016)

Energy efficient smart antenna system using Recursive Least Square algorithm and Kaiser side lobe cancellation technique. - Hailu Belay Kassa; Yacob Astatke; Farzad Moazzami; Tezera Yitbarek Chernet; Estifanos Yohannes; Dereje H. Woldegebreal (CISS, 2017)