A novel application of Massive MIMO: Massive Antenna Systems for Wireless Entrance (MAS-WE)

This paper proposes a practical application of Massive MIMO technology, Massive Antenna Systems for Wireless Entrance (MAS-WE), and its related inter-user interference (IUI) cancellation and scheduling techniques. MAS-WE, on which the entrance base station (EBS) employs a large number of antennas, can effectively provide high capacity wireless entrance links to a large number of Wi-Fi access points (APs) distributed in wide coverage area. The proposed techniques have been ultimately simplified to be less impact for their practical implementation in order to spatially multiplex more than 16 signal streams with around 100 antenna elements at EBS side. SIR performance was evaluated by system level simulation considering imperfect channel state information (CSI) and the results showed that the proposed MAS-WE with simplified techniques can achieve high spectral efficiency with high level space division multiplexing.