Listar IC - Artículos por título
Mostrando ítems 122-141 de 221
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Joint Parameter Estimation for the Two-Wave with Diffuse Power Fading Model.
(MDPI, 2016-06-30)Wireless sensor networks deployed within metallic cavities are known to suffer from a very severe fading, even in strong line-of-sight propagation conditions. This behavior is well-captured by the Two-Wave with Diffuse ... -
Knowledge acquisition for fault management in LTE networks.
(Springer Nature, 2017-01-24)Self-healing is one of the main functionalities of Self-Organizing-Networks. Among self-healing functions, diagnosis or root cause analysis, consisting of identifying the fault cause in problematic cells, is one of the ... -
Label Aided Deep Ranking for the Automatic Diagnosis of Parkinsonian Syndromes.
(Elsevier, 2018-10-16)Parkinsonism is the second most common neurodegenerative disease in the world. Its diagnosis usually relies on visual analysis of Emission Computed Tomography (SPECT) images acquired using 123I − io f lupane radiotracer. ... -
Large field-size elliptic curve processor for area-constrained applications
(MDPI, 2023)This article has proposed an efficient area-optimized elliptic curve cryptographic processor architecture over GF(2409) and GF(2571). The proposed architecture employs Lopez-Dahab projective point arithmetic operations. ... -
Largest eigenvalue distribution of noncircularly symmetric Wishart-type matrices with application to Hoyt-faded MIMO communications
(Institute of Electrical and Electronics Engineers, 2018-03)This paper is concerned with the largest eigenvalue of the Wishart-type random matrix W = XX† (or W = X†X), where X is a complex Gaussian matrix with unequal variances in the real and imaginary parts of its entries, i.e., ... -
Linearization of a Dual-Parallel Mach-Zehnder Modulator Using Optical Carrier Band Processing
(IEEE, 2023-05-15)The linearization of a microwave photonic link based on a dual-parallel Mach-Zehnder modulator is theoretically de- scribed and experimentally demonstrated. Up to four different radio frequency tones are considered in the ... -
Link abstraction models for multicarrier systems: A logistic regression approach
(Wiley, 2017-09)Evaluation of complex wireless systems through simulations is commonly tackled with an abstraction of physical link behavior. This procedure is performed in 2 phases: Firstly, training is performed at the link level, ... -
Long-Term Data Traffic Forecasting for Network Dimensioning in LTE with Short Time Series
(MDPI, 2021-05-12)Network dimensioning is a critical task in current mobile networks, as any failure in this process leads to degraded user experience or unnecessary upgrades of network resources. For this purpose, radio planning tools often ... -
Low voltage 25Gbps silicon Mach-Zehnder modulator in the O-band
(Optical Publishing Group, 2017-05-04)In this work, a 25 Gb ps silicon push-pull Mach-Zehnder modulator operating in the O-Band (1260 nm - 1360 nm) of optical communications and fabricated on a 300 mm platform is presented. The measured modulation efficiency ... -
Low-Complexity Distance-Based Scheduling for Multi-User XL-MIMO Systems.
(IEEE, 2021-08-02)We introduce Distance-Based Scheduling (DBS), a new technique for user selection in downlink multi-user communications with extra-large (XL) antenna arrays. DBS categorizes users according to their equivalent distance ... -
Mapping the global design space of nanophotonic components using machine learning pattern recognition
(Springer Nature, 2019-10-21)Nanophotonics finds ever broadening applications requiring complex components with many parameters to be simultaneously designed. Recent methodologies employing optimization algorithms commonly focus on a single performance ... -
Measurement-based FET analytical modeling using the nonlinear function sampling approach
(IEEE Microwave and Wireless Components Letters, 2020-12)A novel and fast method for the measurement-based identification of an analytical FET compact model from large- signal waveforms is presented. Based on a two-tone two-port experiment, a recently published Nonlinear Function ... -
Measuring and estimating Key Quality Indicators in Cloud Gaming services
(Elsevier, 2023)The gaming industry has proposed the concept of Cloud Gaming (CG), a paradigm that enhances the gaming experience on reduced hardware devices. However, this paradigm puts a lot of pressure on the communication links that ... -
Method for Artificial KPI Generation With Realistic Time-Dependent Behaviour
(IEEE Xplore, 2021-07-07)Machine Learning (ML) is the dominating solution for the implementation of Self-Organizing Networks (SON), which automate mobile network management. However, the data scarcity derived from the reluctance of operators ... -
Methodology for the Design and Evaluation of Self-Healing LTE Networks.
(IEEE, 2015)Self-healing networks aim to detect cells with service degradation, identify the fault cause of their problem, and execute compensation and repair actions. The development of this type of automatic system presents several ... -
Mid-infrared suspended waveguide platform and building blocks
(Wiley, 2019-04-01)In this work, the authors present their recent progress in the development of a platform for the mid-infrared wavelength range, based on suspended silicon waveguides with subwavelength metamaterial cladding. The platform ... -
Millimeter-long metamaterial surface-emitting antenna in the silicon photonics platform
(Optical Publishing Group, 2021-07-28)Integrated optical antennas are key components for on-chip light detection and ranging technology (LIDAR). In order to achieve a highly collimated far field with reduced beam divergence, antenna lengths on the order of ... -
Modeling amplified arbitrary filtered heterodyne microwave photonic links
(2022-02-14)We report an end-to-end analytic model for the computation of the figures of nerit (FOMs) of arbitrarily filtered and amplified heterodyne coherent microwave photonics (MWP) links. It is useful for evaluating the performance ... -
Modelling LTE Solved Troubleshooting Cases
(Springer Nature, 2017-02-24)Self-Organizing Networks (SON) add automation to the Operation and Maintenance of mobile networks. Self-healing is the SON function that performs automated troubleshooting. Among other functions, self-healing performs ...