As the array dimension of massive MIMO systems increases to unprecedented levels, two
problems occur. First, the spatial stationarity assumption along the antenna elements is no …

We consider channel estimation for an uplink massive multiple-input multiple-output (MIMO)
system where the base station (BS) uses an array with low-resolution (1-2 bit) analog-to …

In this paper, we consider the problem of channel estimation for uplink multiuser massive
MIMO systems, where, in order to significantly reduce the hardware cost and power …

We investigate a general channel estimation problem in the massive multiple-input multiple-
output system which employs the hybrid analog/digital precoding structure with limited radio …

The availability of accurate channel state information (CSI) is essential in multiuser massive
multiple-input multiple-output (MIMO) systems. However, most published works focus on …

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 computationally efficient maximum likelihood (ML) channel estimation for
massive multiple-input multiple-output (MIMO) systems using coarsely quantized …

This paper considers channel estimation and system performance for the uplink of a single-
cell massive multiple-input multiple-output system. Each receiver antenna of the base station …

Motivated by recent developments in time-division duplex massive multiple-input multiple-
output (MIMO) systems, this paper investigates semi-blind channel estimation for multiuser …

We consider channel estimation for an uplink massive multiple input multiple output (MIMO)
system where the base station (BS) uses a first-order spatial Sigma-Delta (ΣΔ) analogto …