Listar Ingeniería de Comunicaciones - (IC) por título
Mostrando ítems 401-420 de 594
-
Obtaining quasi-static models using a frequency domain extraction methodology
(2018-07-02)This contribution illustrates how a realistic nonlinear quasi-static model for FET-type devices can be extracted using an original frequency domain extraction technique. An ideal ‘made-up’ device is built from the measured ... -
Obtención de intervalos de confianza en redes neuronales para predicción en redes celulares
(2022-09)Hoy en día, las redes celulares presentan una complejidad extrema y un alto grado de dinamismo, lo que hace que predecir las fluctuaciones en el rendimiento de la red sea una tarea extremadamente difícil. Gracias a ... -
On Some Unifications Arising from the MIMO Rician Shadowed Model
(IEEE, 2016)This paper shows that the proposed Rician shadowed model for multi-antenna communications allows for the unification of a wide set of models, both for multiple-input multiple-output (MIMO) and single- input single-output ... -
On the Calculation of the Incomplete MGF with Applications to Wireless Communications
(IEEE, 2017)The incomplete moment generating function (IMGF) has paramount relevance in communication theory, since it appears in a plethora of scenarios when analyzing the performance of communication systems. We here present a general ... -
On the connection between noncircularly-symmetric and noncentral fading models: univariate and multivariate analysis
(UMA Editorial, 2017-06-01)This thesis provides new statistical connections between noncircularly-symmetric central and circularly-symmetric noncentral underlying complex Gaussian models. This is particularly interesting since it facilitates the ... -
On the effect of random power availability in wireless power transfer systems with physical layer security
(2020-10-22)In this paper, we evaluate the performance of wireless powered communication systems from a physical layer security perspective. Our aim is to determine under which conditions the random power availability due to wireless ... -
On the eigenstate equivalent circuit for lossy asymmetric two-ports and its applications
(2022)An equivalent-circuit topology for two-port lossy non-symmetric reciprocal networks is presented [1]. The circuit topology is based on the eigenstate decomposition. The proposed circuit consists of two immittances and two ... -
On the Improvement of Cellular Coverage Maps by Filtering MDT Measurements
(IEEE, 2023-07-01)In cellular systems, network re-planning aims to update network configuration to cope with permanent changes in the environment. In this task, terminal measurements are often used to calibrate performance models integrated ... -
On the Phase Response and Radiation Efficiency of the Complementary Strip-Slot as an Array Element
(2015-05-05)The complementary strip-slot element is a broadlymatched microstrip radiator that has been used to design innovative series-fed arrays. It consists of a microstrip series-fed slot that have its complementary stub on the ... -
On the system performance of DFT-S-OFDM and CP-OFDM for 5G Uplink in mmWave band
(2021-09-20)Both conventional Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM) and Discrete Fourier Transform Spread OFDM (DFT-S-OFDM) have been adopted for their use in the Physical Uplink Shared Channel (PUSCH) in ... -
On the use of bianisotropic huygens' metasurfaces to build leaky-wave antennas
(2019-07-16)Huygens' metasurfaces are considered a powerful tool to achieve anomalous electromagnetic field transformations. They consist of an artifcial surface built of pairs of collocated electric and magetic dipoles that force ... -
On the Utility of the Inverse Gamma Distribution in Modeling Composite Fading Channels
(2020-01-20)We introduce a general approach to characterize composite fading models based on inverse gamma (IG) shadowing. We first determine to what extent the IG distribution is an adequate choice for modeling shadow fading, by means ... -
On-Chip Metamaterial Antenna Array with Distributed Bragg Deflector for Generation of Collimated Steerable Beams
(WILEY, 2022-07-03)The generation of collimated steerable beams of light is a fundamental function in optics needed in many applications, including free-space optical communications, remote sensing, and light detection and ranging. Implementing ... -
Online Anomaly Detection System for Mobile Networks
(MDPI, 2020)The arrival of the Fifth-Generation (5G) standard has further accelerated the need for operators to improve the network capacity. With this purpose, mobile network topologies with smaller cells are being currently deployed ... -
Operación multihop eficiente en redes acústicas submarinas de sensores con planificación TDMA
(2018-03-22)Dos de los problemas a los que se enfrentan las comunicaciones inalámbricas submarinas, y que limitan sobremanera la velocidad de transmisión de los datos, son (i) la atenuación en el medio acuático, que es selectiva en ... -
Optimal design of Remote Terminal Unit (RTU) for power system operation in smart cities
(2013-11-27)The concept of smart cities involves specifically modified infrastructure for its physical, economic and social systems which is mandatory to provide improved facilities to citizens at various levels. The major infrastructure ... -
Optimal Fair Scheduling in S-TDMA Sensor Networks for Monitoring River Plumes
(Hindawi Publishing Corporation, 2016)Underwater wireless sensor networks (UWSNs) are a promising technology to provide oceanographers with environmental data in real time. Suitable network topologies to monitor estuaries are formed by strings coming together ... -
Optimal scheduling and fair servicepolicy for STDMA in underwater networks with acoustic communications
(MDPI, 2018-02)In this work, a multi-hop string network with a single sink node is analyzed. A periodic optimal scheduling for TDMA operation that considers the characteristic long propagation delay of the underwater acoustic channel is ... -
Optimización de la calidad de experiencia en escenarios de multiconectividad
(2019-10-30)The vertiginous evolution of mobile communications networks is affecting not only the complexity and size of them, but also the way that these new networks have to be managed. Nowadays, the network management, and specially ... -
Optimización de la calidad de experiencia en redes celulares mediante el ajuste del traspaso entre celdas
(UMA Editorial, 2021-12-20)En los últimos años, la gestión de las redes móviles se ha convertido en una tarea muy compleja por, entre otras razones, la diversidad de los servicios en movilidad. Para afrontar este problema, se ha extendido el uso ...