In this article, channel estimation for millimeter-wave massive multiple-input–multiple-output
(MIMO) systems with hybrid beamforming is considered. With a large number of antenna …

In a millimeter-wave massive multiple-input multiple-output system, the accurate estimation
of the angle of departure is crucial to benefit from a high array gain. In this paper, a novel …

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 …

Robust hybrid beamforming is developed for millimeter wave multiple-input multiple-output
(MIMO) systems. The channel state information (CSI) with correlated estimation errors is …

A novel approach is proposed to improve channel estimation accuracy in hierarchical
codebook-based beam search for millimeter-wave (mmWave) massive multiple-input and …

With the increasing scale of antenna arrays in wideband millimeter-wave (mmWave)
communications, the physical propagation delays of electromagnetic waves traveling across …

Millimeter Wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems realizing
directive communication over large bandwidths via Hybrid analog and digital BeamForming …

Hybrid digital and analog beamforming design has been the focus of considerable interest
in the context of millimeter-wave massive multiple-input multiple-output systems because …

Massive multiple-input-multiple-output (MIMO) and millimeter wave have been adopted as
the enabling technologies for the 5G and beyond 5G (B5G) systems. A challenging problem …

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 …