High-speed train (HST) communications with reconfigurable intelligent surface (RIS)
techniques have caused extensive research in recent years. In this paper, we study the RIS …

We consider a practical spatially correlated recon-figurable intelligent surface (RIS)-aided
cell-free (CF) massive multiple-input-multiple-output (mMIMO) system with multi-antenna …

Part I of this two-part paper focused on the formulation of percentile problems, complexity
analysis, and development of power control algorithms via the quadratic fractional transform …

Cell-free massive multiple-input multiple-output (mMIMO) has recently been proposed to
improve cell edge performance. However, most prior works consider perfect hardware …

Cell-free (CF) massive multiple-input multipleoutput (mMIMO) is a promising technique for
achieving high spectral efficiency (SE) using multiple distributed access points (APs) …

In this paper, we address robust precoding in high-frequency (HF) skywave massive multiple-
input multiple-output (MIMO) systems with imperfect channel state information (CSI). We first …

The cell-free concept has garnered great attention in the industry and academia and is
envisaged to be a promising technology for beyond fifth generation (5G) networks. However …

In this paper, we investigate a cell-free massive MIMO system with both access points and
user equipments equipped with multiple antennas over the Weichselberger Rayleigh fading …

In this article, we present a space–time pulsed eddy current (PEC) array for nondestructive
testing (NDT) of wellbore casings using a multiple-input multiple-output (MIMO) technique …

Large Scale Multi-user MIMO (LS-MU-MIMO) is a promising technology for the fifth-
generation (5G) and beyond wireless systems. It offers several magnitudes of improvement …