The millimeter wave (mmWave) frequency band spanning from 30 to 300 GHz constitutes a
substantial portion of the unused frequency spectrum, which is an important resource for …

Hybrid multiple-antenna transceivers, which combine large-dimensional analog
pre/postprocessing with lower-dimensional digital processing, are the most promising …

The massive multiple-input multiple-output (MIMO) system has drawn increasing attention
recently as it is expected to boost the system throughput and result in lower costs. Previous …

Massive MIMO is a promising candidate for 5G future wireless communications system
having ability to drastically scale-up the ergodic sum-rate and simultaneously cut off total …

Massive multiple-input-multiple-output (MIMO) and small cell are both recognized as key
technologies for the future fifth-generation wireless systems. In this paper, we investigate the …

System capacity and service coverage are the most critical performance metrics in cellular
wireless communication networks. Usually, system capacity enhancements are at the …

Considering the design of two-stage beamformers for the downlink of multi-user massive
multiple-input multiple-output systems in frequency division duplexing mode, this paper …

In large multi-user multi-input multi-output systems, the computational cost and circuit scale
of base stations (BSs) are effectively reduced using two-stage signal processing consisting …

In this paper, we consider the design of two-stage beamformers for the downlink of multi-
user frequency-division-duplexing (FDD) massive multiple-input multiple-output (MIMO) …

In this work, we study a downlink multi-user network, where a single access point (AP) is
supposed to accomplish data transmissions to all users under low latency constraints. To …