Channel estimation based on compressed sensing for massive MIMO systems with Lens Antenna Array

E Sharifi, MM Feghhi, G Azarnia, S Nouri, D Lee… - IEEE …, 2023 - ieeexplore.ieee.org
With the emergence of fifth-generation cellular networks (5G), there has been significant
interest in multi-input-multi-output (MIMO) systems. MIMO systems aim to achieve several …

Energy-efficient cell-free massive MIMO through sparse large-scale fading processing

S Chen, J Zhang, E Björnson… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF mMIMO) systems serve the user
equipments (UEs) by geographically distributed access points (APs) by means of joint …

User Centric Cell-Free Massive MIMO in the O-RAN Architecture: Signalling and Algorithm Integration

R Beerten, A Girycki, S Pollin - 2022 IEEE Conference on …, 2022 - ieeexplore.ieee.org
Recently, the O-RAN architecture started receiving a lot of interest from the research
community. The open interfaces and especially the possibilities for network-wide control …

Energy-Efficiency and Spectral-Efficiency Trade-off in Distributed Massive-MIMO Networks

MSA Khan, S Agnihotri - arXiv preprint arXiv:2501.01271, 2025 - arxiv.org
This paper investigates the inherent trade-off between energy efficiency (EE) and spectral
efficiency (SE) in distributed massive-MIMO (D-mMIMO) systems. Optimizing the EE and SE …

Spectrum Efficiency Enhancement for Cell-Free Massive MIMO Through Large-Scale Fading

A Hazzaa, R Ngah, A Salh… - 2023 IEEE 13th …, 2023 - ieeexplore.ieee.org
Over the past several decades, mobile data traffic has increased significantly to deliver it
necessary to support massive connectivity in the Sixth Generation (6G). Pilot contamination …