Millimeter-wave (mm-wave) massive MIMO with lens antenna array can considerably reduce
the number of required radio-frequency (RF) chains by beam selection. However, beam …

Millimeter-wave massive multiple-input multiple-output (MIMO) can use a lens antenna array
to considerably reduce the number of radio frequency (RF) chains, but channel estimation is …

In this paper, we design an uplink/downlink channel estimation method for millimeter wave
(mmWave) massive multiple-input multiple-output (MIMO) systems and investigate the …

Beamspace channel estimation is indispensable for millimeter-wave MIMO systems relying
on lens antenna arrays for achieving substantially increased data rates, despite using a …

This paper proposes a novel direction-of-arrival (DOA)-aided channel estimation for a hybrid
millimeter-wave (mm-wave) massive multiple-input multiple-output system with a uniform …

In this paper, we develop two high-resolution channel estimation schemes based on the
estimating signal parameters via the rotational invariance techniques (ESPRIT) method for …

Beamspace channel estimation mechanism for massive MIMO (multiple input multiple
output) antenna system presents a major process to compensate the 5G spectrum …

Beamspace channel estimation in millimeter-wave (mmWave) massive MIMO system is a
very challenging task, especially when the number of radio-frequency chains is limited. To …

Millimeter-Wave (mmWave) systems fit out an incomparable chance for fulfilling the
increasing data rate demands on Fifth Generation (5G) wireless networks. Beamspace with …

Channel estimation is very challenging when the receiver is equipped with a limited number
of radio-frequency (RF) chains in beamspace millimeter-wave massive multiple-input and …