Massive MIMO: A Survey of Recent Advances, Research Issues and Future Directions

Rapid innovations in wireless communication have unveiled new and exciting challenges. One of the major challenges is the maximization of transmission rate due to growing demand of multimedia and safety related applications. Among several solutions proposed in the literature, arguably the most promising one for future 5G technologies is massive Multiple Input Multiple Output (MIMO). Various studies have indicated the utility of massive MIMO in forthcoming networks. Therefore, this paper presents a review of recent studies in massive MIMO along with a comprehensive overview of latest research issues. We also provide future prospect of massive MIMO by discussing how massive MIMO can be integrated with imminent technologies for better utilization of resources. In short, this survey act as a a principal guide for interested readers in massive MIMO.