activity
20222026
most citedPCA-based Channel Estimation for MIMO Communications

3 citations · 3 across the 5 of their papers we have counts for

collaborators

5 papers

eess.AS2026

Synthetic speech detection in Brazilian Portuguese through accent-related features

Pedro H. L. Leite, Pedro Benevenuto Valadares, Luiz Wagner Pereira Biscainho

Leading commercial and open-source Text-to-Speech (TTS) models fail to emulate the regional phonetic diversity of Brazilian Portuguese (pt-BR). By aggregating disparate dialects in…

eess.AS2026

Extracting accent features in spoken Brazilian Portuguese without sociolinguistic labels

Pedro H. L. Leite, Pedro Benevenuto Valadares, Luiz W. P. Biscainho

Regional accent classification in Brazilian Portuguese (pt-BR) suffers from the need for reliable labeling. While large self-supervised learning (SSL) speech models are powerful, t…

eess.SP2025

Complex-Valued Neural Networks for Ultra-Reliable Massive MIMO

Pedro Benevenuto Valadares, Jonathan Aguiar Soares, Kayol Mayer +1

In the evolving landscape of 5G and 6G networks, the demands extend beyond high data rates, ultra-low latency, and extensive coverage, increasingly emphasizing the need for reliabi…

cs.IT2022★ 3 cited

PCA-based Channel Estimation for MIMO Communications

Jonathan Aguiar Soares, Kayol Soares Mayer, Pedro Benevenuto Valadares +1

In multiple-input multiple-output communications, channel estimation is paramount to keep base stations and users on track. This paper proposes a novel PCA-based-principal componen…

cs.SD2022

Song Emotion Recognition: a Performance Comparison Between Audio Features and Artificial Neural Networks

Karen Rosero, Arthur Nicholas dos Santos, Pedro Benevenuto Valadares +1

When songs are composed or performed, there is often an intent by the singer/songwriter of expressing feelings or emotions through it. For humans, matching the emotiveness in a mus…