フォロー
Leonardo Ramalho
Leonardo Ramalho
Professor of Telecommunications and Computer Engineering
確認したメール アドレス: ufpa.br
タイトル
引用先
引用先
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
252018
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
62022
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
42022
Methods, encoder and decoder for handling a data stream for transmission between a remote unit and a base unit of a base station system
A Klautau, C Lu, L Ramalho, M Berg, PO Börjesson, S Höst
US Patent 11,283,539, 2022
42022
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
A SBC-Based Data Acquisition System: A Case Study on Smart Reclosers and Multiagent Systems
LL Ramalho, IS Correa, MEP Monteiro, D Issicaba, TV Ferreira, ...
IEEE Access 11, 48988-49001, 2023
22023
CSI compression for distributed-MIMO with centralized precoding and power allocation
M Silva, L Ramalho, I Almeida, E Medeiros, A Klautau
IEEE Communications Letters 27 (6), 1535-1539, 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
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
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
Performance Evaluation of ESP32 in Outdoor Links
P Rendeiro, J Leite, L Silva, M Silva, G Sales, L Ramalho
Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais, 2022
12022
Fronthaul Requirements Analysis for Cell-Free MIMO.
A Nakamura, L Ramalho, A Klautau
SSN, 24-27, 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
Machine Learning-Based Holdover for IEEE 1588 PTP Packet Fronthauling
D Santos, G Souza, R Dutra, AH Mohajerzadeh, L Ramalho, A Klautau, ...
2024 19th International Symposium on Wireless Communication Systems (ISWCS), 1-6, 2024
2024
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
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