The vast demand for diverse applications raises new networking challenges, which have
encouraged the development of a new paradigm of Internet of Things (IoT), eg, LoRa. LoRa …

Abstract while the fifth generation (5G) cellular system is being deployed worldwide,
researchers have started the investigation of the sixth generation (6G) mobile …

Millimeter-wave (mm-wave) signals and large antenna arrays are considered enabling
technologies for future 5G networks. While their benefits for achieving high-data rate …

The emerging massive/large-scale multiple-input multiple-output (LS-MIMO) systems that
rely on very large antenna arrays have become a hot topic of wireless communications …

This paper proposes a unified transmission strategy for multiuser time division duplex
(TDD)/frequency division duplex (FDD) massive multiple-input-multiple-output (MIMO) …

Large-scale MIMO systems are well known for their advantages in communications, but they
also have the potential for providing very accurate localization, thanks to their high angular …

This paper proposes a spatially common sparsity based adaptive channel estimation and
feedback scheme for frequency division duplex based massive multi-input multi-output …

Current and future wireless applications strongly rely on precise real-time localization. A
number of applications, such as smart cities, Internet of Things (IoT), medical services …

In this paper, a novel system architecture including a massive multi-input multi-output
(MIMO) or a reconfigurable intelligent surface (RIS) and multiple autonomous vehicles is …

Massive antenna arrays can be used to meet the requirements of 5G, by exploiting different
spatial signatures of users. This same property can also be harnessed to determine the …