activity
20122025
most citedAdaptive Minimum BER Reduced-Rank Linear Detection for Massive MIMO Systems

6 citations · 29 across the 104 of their papers we have counts for

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cs.IT2025

Efficient Robust Adaptive Beamforming Based on Spatial Sampling with Virtual Sensors

S. Mohammedzadeh, R. de Lamare

Robust adaptive beamforming (RAB) based on interference-plus-noise covariance (IPNC) matrix reconstruction can experience serious performance degradation in the presence of look di…

cs.IT2024

Study of Weighted Residual Layered Belief Propagation for Decoding of LDPC Codes

H. Touati, R. C. de Lamare

In this work, we investigate the decoding of Low-Density Parity-Check (LDPC) codes using informed dynamic scheduling algorithms that require a reduced number of iterations. In part…

cs.IT2023

Study of MMSE-Based Resource Allocation for Clustered Cell-Free Massive MIMO Networks

S. Mashdour, R. C. de Lamare

In this paper, a downlink cell-free massive multiple-input multiple-output (CF massive MIMO) system and a network clustering is considered. Closed form sum-rate expressions are der…

cs.IT2022

Robust Power Allocation and Linear Precoding for Cell-Free and Multi-Cell Massive MIMO Systems

E. F. de Almeida, R. C. de Lamare

Multi-Cell (MC) systems are present in mobile network operations from the first generation to the fifth generation of wireless networks, and considers the signals of all users to a…

cs.IT2022

Design and Analysis of Polar Codes Based on Piecewise Gaussian Approximation

R. M. Oliveira, R. C. de Lamare

In this article, we propose the construction of polar codes based on piecewise Gaussian approximation (PGA) techniques. The PGA is first optimized and then compared to the Gaussian…

cs.IT2022

Joint Channel Estimation, Activity Detection and Decoding using Dynamic Message-Scheduling for Machine-Type Communications

R. B. Di Renna, R. C. de Lamare

In this work, we present a joint channel estimation, activity detection and data decoding scheme for massive machine-type communications. By including the channel and the a priori…