Articles de revista
Enviaments recents
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GPU versus FPGA implementation of a digital predistortion linearizer for wideband radiofrequency power amplifiers
(Elsevier, 2024-01)
Article
Accés obertThis paper presents and compares the implementation of a digital predistortion (DPD) linearizer for radiofrequency power amplifiers (PAs) considering two different hardware acceleration platforms. Both graphics processing ... -
Toward band n78 shear bulk acoustic resonators using crystalline Y-Cut lithium niobate films with spurious suppression
(Institute of Electrical and Electronics Engineers (IEEE), 2023-06-15)
Article
Accés obertThis work presents the study of suspended Y-cut Lithium Niobate shear bulk acoustic resonators for wide band filter applications in the frequency range of 3.5-4.5GHz. The resonators consist of a Lithium Niobate film with ... -
Digital predistortion linearization of a GaN HEMT push-pull power amplifier for cable applications with high fractional bandwidth
(2023-03-07)
Article
Accés obertThis paper presents two linearization strategies for a custom-designed wideband push-pull (PP) power amplifier (PA) for wired communication applications such as, for example, cable TV. Two digital predistortion (DPD) ... -
Digital linearization of wideband envelope tracking power amplifiers for mobile terminals
(IEEE Microwave Theory and Techniques Society, 2023-01)
Article
Accés obertThis article presents a low-complexity linearization method to compensate for multisource nonlinear distortion in wideband envelope tracking (ET) power amplifiers (PAs) for 5G new radio (NR) mobile terminals. The proposed ... -
Quasi-3D model for lateral resonances on homogeneous BAW resonators
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
Article
Accés obertLateral modes are responsible for the in-band spurious resonances that appear on BAW resonators, degrading the in-band filter response. In this work, a fast computational method based on the transmission line matrix (TLM) ... -
A tutorial on the characterisation and modelling of low layer functional splits for flexible radio access networks in 5G and beyond
(Institute of Electrical and Electronics Engineers (IEEE), 2023-10)
Article
Accés obertThe centralization of baseband (BB) functions in a radio access network (RAN) towards data processing centres is receiving increasing interest as it enables the exploitation of resource pooling and statistical multiplexing ... -
Workshops at IMS2023
(2023-05)
Article
Accés obertLists future events that should be of interest to practitioners and researchers. -
Analysis of spurious peaks at series resonance in solidly mounted resonators by combined BVD-Mason modelling
(2023-05)
Article
Accés obertSolidly Mounted Resonators (SMRs) for high frequency RF filters and sensing applications often display spurious resonances that distort their frequency response. In this work, we try to identify the origin of spurious ... -
Open source software radio platform for research on cellular networked UAVs: It works!
(Institute of Electrical and Electronics Engineers (IEEE), 2022-02-28)
Article
Accés obertCellular network-connected unmanned aerial vehicles (UAVs) experience different radio propagation conditions than radio nodes on the ground. Therefore, it has become critical to investigate the performance of aerial radios, ... -
Training data selection and dimensionality reduction for polynomial and artificial neural network MIMO adaptive digital predistortion
(IEEE Microwave Theory and Techniques Society, 2022-11)
Article
Accés obertIn 5G and beyond radios, the increased bandwidth, the fast-changing waveform scenarios, and the operation of large array multiple-input multiple-output (MIMO) transmitter architectures have challenged both the polynomial ... -
Agnostic envelope linearization of dynamically supplied power amplifiers for mobile terminals
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-05-16)
Article
Accés obertThis paper presents an envelope linearization technique to compensate for the nonlinear distortion of envelope tracking (ET) power amplifiers (PAs) for 5G new radio (NR) mobile terminals. The proposed envelope optimization ... -
Distributed nonlinear model and fast analysis for in-band IMD3 prediction of surface acoustic wave resonators
(Institute of Electrical and Electronics Engineers (IEEE), 2022-01-01)
Article
Accés obertThe motivation of this work is to analyze the in-band intermodulation distortion (IMD) occurring in surface acoustic wave (SAW) devices, using a recently developed fast method based on the input–output equivalent sources ...