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Jose Romero Lopera
Jose Romero Lopera
Researcher in Electrical Engineering, Graz University of Technology
Verified email at tugraz.at
Title
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Cited by
Year
Microwave-enabled wearables: Underpinning technologies, integration platforms, and next-generation roadmap
M Wagih, L Balocchi, F Benassi, NB Carvalho, JC Chiao, R Correia, ...
IEEE Journal of Microwaves 3 (1), 193-226, 2022
262022
A 3.5 GHz high power GaN hybrid Doherty power amplifier with dynamic input power splitting for enhanced power added efficiency at backoff
JR Lopera, J Mayock, Q Sun, M Gadringer, W Bösch, E Leitgeb
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and …, 2021
182021
Broadband EC models of coil antennas for inductively coupled systems
R Fischbacher, D Pommerenke, R Prestros, JR Lopera, W Bösch, ...
2022 Wireless Power Week (WPW), 465-469, 2022
52022
Adaptive NFC WPT system implementing neural network-based impedance matching with bypass functionality
JR Lopera, R Fischbacher, R Pestros, D Pommerenke, B Auinger, ...
2023 IEEE/MTT-S International Microwave Symposium-IMS 2023, 879-882, 2023
32023
Linear friction welding of high strength chains: Modelling and validation
J Lopera, K Mucic, F Fuchs, N Enzinger
Mathematical modelling of weld phenomena 10, 203-218, 2013
22013
WPT and NFC Interoperability for Wearables with Miniaturized Coils
R Fischbacher, JR Lopera, D Pommerenke, R Prestros, B Auinger, ...
2023 IEEE 13th International Conference on RFID Technology and Applications …, 2023
12023
A 39.5 dBm GaN Doherty Amplifier MMIC with Phase Control for Ka-band Space Applications
JR Lopera, M Gadringer, E Leitgeb, H Paulitsch, W Bösch
2023 18th European Microwave Integrated Circuits Conference (EuMIC), 349-352, 2023
2023
Communication Quality Analysis for WPT and NFC Systems via Broadband Equivalent Circuit Models
R Fischbacher, JR Lopera, D Pommerenke, R Prestros, B Auinger, ...
IEEE Antennas and Wireless Propagation Letters, 2023
2023
Real-Time Adaptive WPT System with Neural Network-Based Impedance Matching
JR Lopera, RB Fischbacher, R Prestros, B Auinger, DJ Pommerenke, ...
IEEE International Microwave Symposium 2023: IMS 2023, 2023
2023
An Asymmetrical Single-stage GaN MMIC DPA at 25 GHz Implementing Dynamic Input Power Division for Enhanced PAE at 7.6 dB OBO
JR Lopera, J Mayock, ME Gadringer, E Leigeb, W Bösch
2021 29th Telecommunications Forum (TELFOR), 1-4, 2021
2021
A Broadband 2.1 GHz LDMOS Power Amplifier with 700 MHz Bandwidth Implementing Band-pass Filter-Based Matching Networks
JR Lopera, ME Gadringer, E Leitgeb, W Bösch
2020 International Conference on Broadband Communications for Next …, 2020
2020
Linear friction welding of high strength chains: modelling and validation
K Mucic, J Lopera, F Fuchs, N Enzinger
10th International Seminar Numerical analysis of Weldability, 2012
2012
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