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Multi-modal deep learning for Fuji apple detection using RGB-D cameras and their radiometric capabilities
(2019-07-01)
Article
Restricted access - publisher's policyFruit detection and localization will be essential for future agronomic management of fruit crops, with applications in yield prediction, yield mapping and automated harvesting. RGB-D cameras are promising sensors for fruit ... -
Electron density retrieval from truncated Radio Occultation GNSS data
(2019-06-01)
Article
Open AccessThis paper summarizes the definition and validation of two complementary new strategies, to invert incomplete Global Navigation Satellite System Radio-Occultation (RO) ionospheric measurements, such as the ones to be ... -
Matrix completion and extrapolation via kernel regression
(2019-10-01)
Article
Open AccessMatrix completion and extrapolation (MCEX) are dealt with here over reproducing kernel Hilbert spaces (RKHSs) in order to account for prior information present in the available data. Aiming at a fast and low-complexity ... -
Spectral weighting orthogonal matching pursuit algorithm for enhanced out-of-band digital predistortion linearization
(2018-01-01)
Article
Open AccessThis paper presents a new variant of the orthogonal matching pursuit (OMP) algorithm for reducing the computational complexity of the digital predistortion (DPD) behavioral model in the forward path. The proposed spectral ... -
Differential 8-APSK monolithically integrated dual-EML transmitter for flexible coherent PONs
(2019-06-01)
Article
Restricted access - publisher's policyWe experimentally demonstrate a simultaneous amplitude and phase modulation of a monolithically integrated dual electro-absorption modulated laser. The proposed technique combines a 4-ary direct phase modulation with a ... -
Conformal transformation of Dyakonov surface waves into bound states of cylindrical metamaterials
(American Physical Society (APS), 2019-11-05)
Article
Open AccessWe put forward the use of transformation optics to map surface waves that exist as one-dimensional modes supported by anisotropic structures into bound states in two-dimensional geometries. Specifically, we show the conformal ... -
Chatbol, a chatbot for the Spanish “La Liga”
(Springer, 2019-09-25)
Article
Restricted access - publisher's policyThis work describes the development of a social chatbot for the football domain. The chatbot, named chatbol, aims at answering a wide variety of questions related to the Spanish football league “La Liga”. Chatbol is deployed ... -
Dades, màquina i ètica
(2019-02-01)
Article
Open Access -
Experimental assessment of 10 Gbps 5G multicarrier waveforms for high-layer split U-DWDM-PON-based fronthaul
(Institute of Electrical and Electronics Engineers (IEEE), 2019-05-15)
Article
Open AccessThe current constant growth in mobile networks' traffic demands caused by the popularization of cloud and streaming services on personal devices, requires architectural changes so as to fulfill all new 5G mobile network ... -
Digital predistorters go multidimensional: DPD for concurrent multiband envelope tracking and outphasing power amplifiers
(2019-05-01)
Article
Open AccessOver at least the last two decades, digital predistortion (DPD) has become the most common and widespread solution to cope with the power amplifier's (PA's) inherent linearity-versus-efficiency tradeoff. When compared with ... -
Orchestrating virtual slices in data centre infrastructures with optical DCN
(2019-07-01)
Article
Restricted access - publisher's policyThe emergence of new paradigms and services is pushing the limits of nowadays cloud infrastructures. It is a fact that current solutions lack in the flexibility and configurability to adapt to heterogeneous requirements ... -
Enable advanced QoS-aware network slicing in 5G networks for slice-based media use cases
(2019-01-01)
Article
Open AccessMedia use cases for emergency services require mission-critical levels of reliability for the delivery of media-rich services, such as video streaming. With the upcoming deployment of the fifth generation (5G) networks, a ...
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