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Prediction of Satellite Shadowing in Smart Cities with Application to IoT
(MDPI, 2020-01)
The combination of satellite direct reception and terrestrial 5G infrastructure is essential to guarantee coverage in satellite based-Internet of Things, mainly in smart cities where buildings can cause high power losses. ...
Ponencia
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Suboptimal multirate MPC for five-level inverters
(Federation of Automatic Control ; Elsevier, 2020-04)
The application of multilevel converters to renewable energy systems is a growing topic due to their advantages in energy efficiency. Regarding its control, model predictive control (MPC) has become very appealing due to ...
Artículo
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A New Approach to Pruning Volterra Models for Power Amplifiers
(IEEE, 2010-04)
The objective of this paper is to present an approach to behavioral modeling that can be applied to predict the nonlinear response of power amplifiers with memory. Starting with the discrete-time, complex-baseband full ...
Artículo
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Smart Bioimpedance Spectroscopy Device for Body Composition Estimation
(MDPI, 2019-12)
The purpose of this work is to describe a first approach to a smart bioimpedance spectroscopy device for its application to the estimation of body composition. The proposed device is capable of carrying out bioimpedance ...
Artículo
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On Real-Time AER 2-D Convolutions Hardware for Neuromorphic Spike-Based Cortical Processing
(IEEE Computer Society, 2008)
In this paper, a chip that performs real-time image convolutions with programmable kernels of arbitrary shape is presented. The chip is a first experimental prototype of reduced size to validate the implemented circuits ...
Artículo
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Software tool for contrast enhancement and segmentation of melanoma images based on human perception
(Universidad de Sevilla, 2013)
In this paper we present a software tool for melanoma border detection (MBD). It has been designed to be incorporated in any Computer Aided Diagnosis Tool (CAD) for early detection of melanoma in mass screening programs. ...
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Adaptation and application of the IEEE 2413-2019 standard security mechanisms to IoMT systems
(Elsevier, 2022-08)
Healthcare information systems are evolving from traditional centralised architectures towards highly-mobile distributed environments within the connected health context. The IoMT paradigm is at the forefront of this ...
Artículo
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A Doubly Orthogonal Matching Pursuit Algorithm for Sparse Predistortion of Power Amplifiers
(IEEE, 2018-08)
This letter presents a new method for the digital predistortion (DPD) of power amplifiers (PAs) based on sparse behavioral models. The Gram-Schmidt orthogonalization is synergistically integrated into the orthogonal matching ...
Ponencia
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Simulation of nonlinear distortion in W-CDMA communication circuits
(Society of Photo-optical Instrumentation Engineers (SPIE), 2004-04)
Different circuit-level approaches to study the effects of nonlinear distortion on coded division multiple access (CDMA) wireless communication systems are analyzed. These techniques are used to predict spectral regrowth ...
Ponencia
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Segmentation of bone structures in 3D CT images based on continuous max- ow optimization
(Society of Photo-optical Instrumentation Engineers (SPIE), 2015)
In this paper an algorithm to carry out the automatic segmentation of bone structures in 3D CT images has been implemented. Automatic segmentation of bone structures is of special interest for radiologists and surgeons ...