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A tractable closed form approximation of the ergodic rate in Poisson cellular networks
(2019-07)
Article
Open AccessThe employment of stochastic geometry for the analysis and design of ultra dense networks (UDNs) has provided significant insights into network densification. In addition to the characterization of the network performance ... -
Unsupervised ensemble classification with correlated decision agents
(2019-07-01)
Article
Open AccessDecision-making procedures when a set of individual binary labels is processed to produce a unique joint decision can be approached modeling the individual labels as multivariate independent Bernoulli random variables. ... -
User grouping and resource allocation in multiuser MIMO systems under SWIPT
(2019-06)
Article
Open AccessThis paper considers a broadcast multiple-input multiple-output (MIMO) network with multiple users and simultaneous wireless information and power transfer (SWIPT). In this scenario, it is assumed that some users are able ... -
Implementation of an artificial neural network on the test Barcelona workstation as a predictive model for the classification of normal, mild cognitive impairment and Alzheimer's disease subjects using the Neuronorma battery
(Knowledge E, 2018-11-01)
Article
Open AccessObjective: to implement an online Artificial Neural Network (ANN) that provides the probability of a subject having mild cognitive impairment(MCI) or Alzheimer’s disease (AD). Method: Different ANN’s were trained with a ... -
Unsupervised online clustering and detection algorithms using crowdsourced data for malaria diagnosis
(2019-02-01)
Article
Open AccessCrowdsourced data in science might be severely error-prone due to the inexperience of annotators participating in the project. In this work, we present a procedure to detect specific structures in an image given tags ... -
Collective unambiguous positioning with high-order BOC signals
(2018-01-01)
Article
Open AccessThe unambiguous estimation of high-order BOC signals in harsh propagation conditions is still an open problem in the literature. This paper proposes to overcome the limitations observed in state-of-the-art unambiguous ... -
A service-constrained positioning strategy for an autonomous fleet of airborne base stations
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-10)
Article
Open AccessThis paper proposes a positioning strategy for a fleet of unmanned aerial vehicles (UAVs) airlifting wireless base stations driven by communication constraints. First, two schedulers that model the distribution of resources ... -
Improved characterization and modeling of equatorial plasma depletions
(2018-08-22)
Article
Open AccessThis manuscript presents a method to identify the occurrence of Equatorial Plasma Bubbles (EPBs) with data gathered from receivers of Global Navigation Satellite System (GNSS). This method adapts a previously existing ... -
Blind multiclass ensemble classification
(2018)
Article
Open AccessThe rising interest in pattern recognition and data analytics has spurred the development of innovative machine learning algorithms and tools. However, as each algorithm has its strengths and limitations, one is motivated ... -
Strong secrecy on a class of degraded broadcast channels using polar codes
(2018-06-15)
Article
Open AccessAsymptotic secrecy-capacity achieving polar coding schemes are proposed for the memoryless degraded broadcast channel under different reliability and secrecy requirements: layered decoding or layered secrecy. In these ... -
Multiantenna GLR detection of rank-one signals with known power spectrum in white noise with unknown spatial correlation
(2012-06)
Article
Restricted access - publisher's policyMultiple-antenna detection of a Gaussian signal with spatial rank one in temporally white Gaussian noise with arbitrary and unknown spatial covariance is considered. This is motivated by spectrum sensing problems in the ... -
Cramer-Rao bounds in the estimation of time of arrival in fading channels
(2018-03-16)
Article
Open AccessThis paper computes the Cramer-Rao bounds for the time of arrival estimation in a multipath Rice and Rayleigh fading scenario, conditioned to the previous estimation of a set of propagation channels, since these channel ...
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