In this paper, we investigate the channel estimation for massive multi-input multi-output
orthogonal frequency division multiplexing (MIMO-OFDM) systems. Using the sampled …

In this paper, we study the channel estimation problem in correlated massive multiple-input-
multiple-output (MIMO) systems with a reduced number of radio-frequency (RF) chains …

We consider angular-domain channel estimation in massive MIMO systems using one-bit
analog-to-digital converters (ADCs) with various thresholding schemes at the receivers. We …

In massive multiple-input multiple-output (MIMO) systems, acquisition of the channel state
information at the transmitter side (CSIT) is crucial. In this paper, a practical CSIT estimation …

In this paper, a low complexity channel estimation method is proposed for two-dimensional
(2-D) massive MIMO systems with uniform rectangular arrays of antennas. Instead of …

To fully exploit both multiplexing gain and array gain of massive multiple-input-
multipleoutput (MIMO), the channel state information must be obtained accurately at …

Pilot contamination is a limiting factor in multicell massive multiple-input multiple-output
(MIMO) systems because it can severely impair channel estimation. Prior works have …

Training sequences are designed to probe wireless channels to obtain channel state
information for block-fading channels. Optimal training sounds the channel using orthogonal …

Massive multiple-input multiple-output (MIMO) systems are expected to operate in the
frequency-division duplex (FDD) mode, which is feasible in the channel environment with …

In this paper, we investigate the beam domain statistical channel state information (CSI)
estimation for the two-dimensional (2D) beam-based statistical channel model (BSCM) in …