A framework for radio resource allocation and SDMA grouping in massive MIMO systems

WVF Maurício, DC Araújo, TF Maciel, FRM Lima - IEEE Access, 2021 - ieeexplore.ieee.org
This work proposes a framework for multiuser massive Multiple Input Multiple Output (MIMO)
systems which is composed of three parts-clustering, grouping, and scheduling-and aims at …

An improved random access scheme using directional beams for 5G massive machine-type communications

X Pei, H Qian, H Wang, K Kang - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
In the 5th generation (5G) massive machine-type communication (mMTC), random access is
the limiting factor of performance because there may be massive user equipments (UEs) up …

Beam Squinting Compensation: An NCR-Assisted Scenario

DA Sousa, F Lima, M Rafael, VF Monteiro… - arXiv preprint arXiv …, 2024 - arxiv.org
Millimeter wave (mmWave) and sub-THz communications, foreseen for sixth generation
(6G), suffer from high propagation losses which affect the network coverage. To address this …

[PDF][PDF] Lean Beam Management for New Radio

N Kumar - 2020 - lup.lub.lu.se
The use of millimetre-wave frequencies in Fifth generation New Radio has lead to high path
loss due to radio propagation environment. Simultaneously, high data rates is a must for …

[PDF][PDF] Impact of Dual Connectivity and Channel Hardening in 5G Networks with Different Resource Allocation Strategies

VF Monteiro, FRP Cavalcanti, IM Guerreiro, TF Maciel - biblioteca.sbrt.org.br
Considering 5G networks with multi-connectivity capability and deploying large antenna
arrays operating in mmWaves, this paper performs two numerical analyses. In the first one, it …

Scheduling for Massive MIMO with Hybrid Precoding Based on Optimization and Contextual Multi-armed Bandits

WVF Mauricio - 2021 - repositorio.ufc.br
In this thesis, we study radio resource allocation (RRA) problems in fifth genera-tion (5G)
systems with massive multiple-input multiple-output (MIMO) technol-ogy. We focus on …

Measurement adaptation based on channel hardening

ILJ Da Silva, P Ramachandra, VF Monteiro - US Patent 12,010,535, 2024 - Google Patents
A method, performed by a user equipment (UE), is provided. The method includes: obtaining
a channel hardening (CH) parameter; changing a measurement parameter based on the …