… features of Massive MIMO is that it efficiently leverages Multi-User (MU) … Thereby, MU Massive
MIMO can lead to significantly … The main problem preventing 5G Massive MIMO from being …

… optimized the phase shifts of RIS-assisted multi-user systems … an RIS-assisted multi-user
uplink massive MIMO system under … RIS-assisted multi-user uplink massive MIMO system under …

… In this paper, we consider a multi-user massive MIMO downlink OTFS system where a BS …
design low complexity multi-user precoding and detection methods for massive MIMO OTFS …

… We consider a multi-user mMIMO scenario where a BS equipped with Nr receiving antennas
communicates simultaneously with K user equipment (UE), each one equipped with Nt …

… We investigate the uplink channel estimation for the multiuser multiple-input multiple-output
(MU-MIMO) system, in which there are K single-antenna MSs and one BS equipped with a …

… The rest of the paper is organized as follows: In Section II, we present the multi-user massive
MIMO VLC system with FDD and describe the centralized network architecture and physical …

… 1(d), we consider the downlink communication of a multi-user massive MIMO system with
hybrid precoding. The base station (BS) is equipped with NRF RF chains and Nt transmit …

… multi-user scenarios, the work in [19] uses beam training and orthogonal pilot allocation for
multi-user multi-stream mmWave massive MIMO … spectral efficiency of multi-user mmWave sys…

… At BS by applying linear receivers we analyzed relation for the uplink of Massive MIMO
systems in this part in the case of imperfect and perfect channel state information we represents …

… for the uplink of an OFDM-based multi-user massive MIMO system in Ricean fading channels.
… singleas well as multi-cell multi-user massive MIMO systems in Rayleigh fading channels, …