Extremely large-scale multiple-input-multiple-output (XL-MIMO) has been reviewed as a
promising technology for future sixth-generation (6G) networks to achieve higher …

In this article, we investigate the downlink (DL) transmitter design for high frequency (HF)
skywave massive multiple-input multiple-output (MIMO) communications with only statistical …

Cell-free (CF) massive multiple-input multiple-output (MIMO) is considered as a promising
technology for achieving the ultimate performance limit. However, due to its distributed …

Cell-free (CF) massive multiple-input multiple-output (mMIMO) system is a state-of-the-art
emerging technology targeted towards beyond fifth-generation (B5G) and sixth-generation …

The problem of power control for the uplink and the downlink in cell-free massive multiple-
input multiple-output (CF mMIMO) systems is considered in this paper. In order to achieve a …

This paper proposes hybrid signal processing schemes for the uplink cell-free massive
MIMO; these schemes serve to reduce fronthaul loads to obtain a scalable centralized …

High-speed train (HST) communications with orthogonal frequency division multiplexing
(OFDM) techniques have received significant attention in recent years. Besides, cell-free …

In this paper, we investigate a cell-free massive multiple-input multiple-output (CF mMIMO)
system with both multi-antenna user equipments (UEs) and access points (APs) over …

This article considers the uplink of a cell-free massive multiple-input–multiple-output (MIMO)
symbiotic radio (CF-mMIMO-SR) system. Conventional combining schemes cannot be used …

This paper studies a cell-free MIMO (cf-MIMO) system that consists of a central unit (CU), N
distributed base stations (BSs) and K users. The BSs are connected to CU via N …