The research in the sixth generation of wireless networks needs to tackle new challenges in
order to meet the requirements of emerging applications in terms of high data rate, low …

Wireless communications systems are impacted by multi-path fading and Doppler shift in
dynamic environments, where the channel becomes doubly-dispersive and its estimation …

We consider orthogonal frequency division multiplexing over rapidly time-varying multipath
channels, for which performance of standard channel estimation and equalization …

Global initiative and research on 6G have grown rapidly since 2018. The rollout of 5G is
driving our life, industry, and society toward a connected and smart world. 6G is envisioned …

Doubly-selective channel estimation represents a key element in ensuring communication
reliability in wireless systems. Due to the impact of multi-path propagation and Doppler …

Vehicular communications are an important focus of studies for 5G applications and beyond.
However, in a scenario with doubly-selective and highly variable channel characteristics …

This paper presents a massive multiple-input multiple-output (mMIMO) non-orthogonal
multiple access (NOMA) system's channel estimation and detection method which uses a …

Wireless communications play a significant role in facilitating several mobile applications
like unmanned aerial vehicles, high-speed railway, and vehicular communications …

The objective of the work is to improve the capacity of the micro cell, ie, enabling the micro
cell base station of a two-tier network to serve an increased number of devices. Therefore …

Research into 6G networks has been initiated to support a variety of critical artificial
intelligence (AI) assisted applications such as autonomous driving. In such applications, AI …