Title	HetNet Characteristics and Models in 5G Networks
Author	Sultan Alotaibi
Citation	Vol. 22  No. 4  pp. 27-32
Keywords	HetNets, Resource allocation, 5G, small cells, femtocells

Title	GT-PSO- An Approach For Energy Efficient Routing in WSN
Author	Priyanka R and Satyanarayan Reddy K
Citation	Vol. 22  No. 4  pp. 17-26
Keywords	WSN, multi-hop routing, PSO, Game Theory.

Title	Proposing Micro-Learning in Saudi Universities
Author	Mohammad Eidah Messfer Almalki
Citation	Vol. 22  No. 4  pp. 13-16
Keywords	Electronic learning, Micro-learning, ML-based Apps, Saudi Universities

Title	New Backstepping-DSOGI hybrid control applied to a Smart-Grid Photovoltaic System
Author	Salim Nebili, Ibrahim Benabdallah, Cherif Adnene
Citation	Vol. 22  No. 4  pp. 1-12
Keywords	Load Flow Analysis, Motor Start Up analysis, THD rate, Real plant.