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Leonardo Ramalho
Leonardo Ramalho
Professor of Telecommunications and Computer Engineering
Verified email at ufpa.br
Title
Cited by
Cited by
Year
An LPC-based fronthaul compression scheme
L Ramalho, MN Fonseca, A Klautau, C Lu, M Berg, E Trojer, S Höst
IEEE Communications Letters 21 (2), 318-321, 2016
422016
Improved LPC-based fronthaul compression with high rate adaptation resolution
L Ramalho, I Freire, C Lu, M Berg, A Klautau
IEEE Communications Letters 22 (3), 458-461, 2018
222018
Methods, intermediate radio units and radio heads of base station systems for transmission of antenna carriers
E Trojer, M Berg, PE Eriksson, A Klautau, C Lu, L Ramalho, M Takeda
US Patent 11,382,173, 2022
52022
Method, decoder and encoder for handling a bit stream for transmission over a transmission link between a remote unit and a base unit of a base station system
C Lu, M Berg, N Fonseca, S Höst, A Klautau, L Ramalho, E Trojer
US Patent 10,855,504, 2020
32020
Data acquisition system for continuous monitoring of grounding grids in energized substations
L Ramalho, W Rocha, A Nakamura, B Arajo, A Castro, A Klautau, R Lima, ...
2016 1st International Symposium on Instrumentation Systems, Circuits and …, 2016
32016
CSI Compression for Distributed-MIMO with Centralized Precoding and Power Allocation
M Silva, L Ramalho, I Almeida, E Medeiros, A Klautau
IEEE Communications Letters, 2023
22023
Functional Split and Frequency-Domain Processing for Fronthaul Traffic Reduction
C Nahum, L Ramalho, A Klautau, E Medeiros, I Almeida, E Trojer
IEEE Communications Letters 25 (8), 2758-2762, 2021
22021
Design and implementation of low-cost multitone signal generation systems
P Cordeiro, L Ramalho, V Souza, A Castro, A Klautau
2017 2nd International Symposium on Instrumentation Systems, Circuits and …, 2017
22017
Bit-rate bound derivation for compressed time-domain fronthaul
C Lu, M Berg, L Ramalho, A Klautau
Proc. EuCNC workshop Towards Converged X-Haul Netw., 1-9, 2016
22016
A SBC-Based Data Acquisition System: a Case Study on Smart Reclosers and Multiagent Systems
LL Ramalho, I Correa, M Monteiro, D Issicaba, TV Ferreira, RAO De Faria
IEEE Access, 2023
12023
Connectivity Evaluation of ESP32 in Outdoor Scenarios
P Rendeiro, JL Leite, L Silva, M Silva, G Sales, L Ramalho
Anais do Computer on the Beach 14, 333-338, 2023
12023
Rate Control for Entropy-Coded LPC: Application to Packet-Based Fronthauling
L Ramalho, J Fortuna, C Lu, M Berg, I Almeida, A Klautau
IEEE Transactions on Communications 70 (9), 5898-5911, 2022
12022
A New O-RAN Compression Approach for Improved Performance on Uplink Signals
MDL Silva, L Ramalho, I Almeida, E Medeiros, M Berg, A Klautau
Journal of Communication and Information Systems 37 (1), 30-41, 2022
12022
Fronthaul Requirements Analysis for Cell-Free MIMO
A Nakamura, L Ramalho, A Klautau
School on Systems and Networks (SSN), 2020
12020
Downlink Fronthaul Compression in Frequency Domain using OpenAirInterface
C Nahum, L Ramalho, J Fortuna, C Lu, M Berg, I Almeida, A Klautau
arXiv preprint arXiv:2001.03199, 2020
12020
A Fronthaul signal compression method based on trellis coded quantization
F Brito, M Berg, C Lu, L Ramalho, I Sousa, A Klautau
2019 IEEE Latin-American Conference on Communications (LATINCOM), 1-6, 2019
12019
A noise-cancelling technique for data acquisition systems: A case study on embedded ADCs
J Ferreira, I Trindade, L Ramalho, I Sousa, A Klautau
2017 2nd International Symposium on Instrumentation Systems, Circuits and …, 2017
12017
Precoding and power allocation for access points in a cell-free communication system
I Almeida, E Medeiros, A Klautau, L Ramalho, A Nakamura
US Patent App. 18/266,580, 2024
2024
Methods, intermediate radio units and radio heads of base station systems for transmission of antenna carriers
E Trojer, M Berg, PE Eriksson, A Klautau, C Lu, L Ramalho, M Takeda
US Patent 11,737,173, 2023
2023
Implementação de FFT de 1600 pontos em microcontrolador ARM Cortex-M7 para cálculo de harmônicas em sistema elétrico trifásico
G Souza, A Ferreira, F Nunes, A Castro, L Ramalho, A Klautau
Anais do Computer on the Beach 14, 187-193, 2023
2023
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