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View article: Feasibility of Polarization Division Multiplexing for Bidirectional Optical Links in 5G Radio over Fiber Cloud Access Networks
Feasibility of Polarization Division Multiplexing for Bidirectional Optical Links in 5G Radio over Fiber Cloud Access Networks Open
Objective: To investigate the potential of polarization division multiplexing in a 5G radio over fiber cloud access network to enable bidirectional optical links in the front-haul segment. Methodology: An optically centralized cloud radio …
View article: 5G/GPON: A CONVERGENT ARCHITECTURE FOR WIRELESS AND OPTICAL SENSOR NETWORKS IN BOGOTÁ CITY
5G/GPON: A CONVERGENT ARCHITECTURE FOR WIRELESS AND OPTICAL SENSOR NETWORKS IN BOGOTÁ CITY Open
This paper presents the design of a convergent optical transport architecture for wireless and photonic sensor networks based on the optical access network deployed in Bogotá city. The proposed architecture is evaluated through the transpo…
View article: Energy harvesting system using broadband textile antennas
Energy harvesting system using broadband textile antennas Open
Taking advantage of the benefits provided by the energy harvesting from ambient radio frequency sources, a multiband receiver is designed and manufactured using broadband antennas constructed with textile materials to be adapted into a Tsh…
View article: Dual Polarization Optical Slicing for C-RAN in 5G Networks based on Radio-over-Fiber
Dual Polarization Optical Slicing for C-RAN in 5G Networks based on Radio-over-Fiber Open
This paper investigates the potential of a dual polarized optical spectral slicing system to enable high-capacity optical links in the Cloud-Radio Access Network (C-RAN) segment based on Radio-over-Fiber (RoF) of a 5G network. The process …
View article: Optical Transport Architecture for the Fronthaul Segment in a 5G NR Network based on Polarization and Wavelength Multiplexing
Optical Transport Architecture for the Fronthaul Segment in a 5G NR Network based on Polarization and Wavelength Multiplexing Open
This paper presents the design of an optical transport architecture for the fronthaul segment in a 5G New Radio (NR) network based on both polarization and wavelength multiplexing using Polarization Splitters (PS) and an Arrayed Waveguide …
View article: Analysis and Design of a Long Distance Distributed Optical Sensor Network Based on FBG
Analysis and Design of a Long Distance Distributed Optical Sensor Network Based on FBG Open
Optical fiber has been widely used as a transmission media for data communica-tion networks for many years. However, considering the broad advantages offered by fiber optics, research projects in this area go beyond data transmission; amon…
View article: OpenDaylight vs. Floodlight: Comparative Analysis of a Load Balancing Algorithm for Software Defined Networking
OpenDaylight vs. Floodlight: Comparative Analysis of a Load Balancing Algorithm for Software Defined Networking Open
This paper presents the proposal of a load balancing algorithm implemented in two of the most popular controllers for Software Defined Networks (SDN): OpenDaylight and Floodlight. A comparative study in terms of the available bandwidth and…
View article: Wireless sensor nodes featuring single or double band directive antennas for agriculture applications
Wireless sensor nodes featuring single or double band directive antennas for agriculture applications Open
Introduction: This paper presents the design of two wireless sensor nodes, with communications systems that integrate in one case a broadband antenna for operation in the 900MHz and 2.4GHz bands, along with a circuit that allows to select …
View article: Nodos sensores inalámbricos con antenas directivas de banda simple o doble para aplicaciones en agricultura
Nodos sensores inalámbricos con antenas directivas de banda simple o doble para aplicaciones en agricultura Open
Introducción: Este artículo presenta el diseño de dos nodos de sensores inalámbricos, con sistemas de comunicaciones que integran en un caso una antena de banda ancha para operación en las bandas de 900MHz y 2.4GHz, junto con un circuito q…
View article: Design of a hybrid transmission system using wavelength division multiplexing and subcarrier under the frequency frame for 5G
Design of a hybrid transmission system using wavelength division multiplexing and subcarrier under the frequency frame for 5G Open
This article proposes the design of a hybrid transmission system using wavelength division multiplexing and subcarrier under the frequency frame for 5G. The proposal is evaluated through modeling based on simulation of the generation of op…
View article: Optical partitioning for multicarrier generation in subcarrier multiplexed networks
Optical partitioning for multicarrier generation in subcarrier multiplexed networks Open
Objetivo: Evaluar la técnica de generación multiportadora basada en segmentado espectral para el transporte de señales de señales multiplexadas en subportadora óptica. Metodología: La propuesta se evalúa mediante validación experimental y …
View article: Suspended plate antenna with circular polarization and configurable sense of rotation
Suspended plate antenna with circular polarization and configurable sense of rotation Open
Introduction: Circular polarization antennas (CPA) are able to reduce the “Faraday rotation” effect due to the ionosphere, which causes a significant power losses compared to the case of using linear polarization antennas (LPA) [1]-[2]. Th…
View article: Design of a flattening filter using Fiber Bragg Gratings for EDFA gain equalization: an artificial neural network application
Design of a flattening filter using Fiber Bragg Gratings for EDFA gain equalization: an artificial neural network application Open
This paper presents a proposal for the non-uniform gain compensation of an Erbium-doped fiber optic amplifier (EDFA) in a Wavelength Division Multiplexed (WDM) system using Fiber Bragg Gratings (FBG). In this proposal, the multilayer perce…
View article: On the features of Software Defined Networking for the QoS provision in data networks
On the features of Software Defined Networking for the QoS provision in data networks Open
Introduction: The traditional networks mostly implement devices where the control plane is distributed and mixed with the data plane; this fact does not allow a fast evolution towards a process that contributes to improving the transport o…
View article: Quality of service evaluation based on network slicing for software-defined 5G systems
Quality of service evaluation based on network slicing for software-defined 5G systems Open
This paper presents the evaluation of the quality of service parameters provided by the network slicing approach for 5G networks based on a software-defined networking environment. The open source controller Floodlight made bandwidth alloc…
View article: Bidirectional single sideband transmission of Millimeter Waves over Fiber for 5G Mobile Networks
Bidirectional single sideband transmission of Millimeter Waves over Fiber for 5G Mobile Networks Open
This study proposes, experimentally demonstrates, and simulates a network architecture for the transport of millimeter waves (MMW) based on Radio over Fiber (RoF) techniques for the transport of signals in the fronthaul segment of the next…
View article: Análisis y comparativo de los amplificadores ópticos SOA, EDFA y RAMAN
Análisis y comparativo de los amplificadores ópticos SOA, EDFA y RAMAN Open
En este documento, se expone de manera general la estructura y el funcionamiento de los amplificadores ópticos SOA, EDFA y Raman, además, se presenta una comparación entre las tecnologías ópticas mencionadas anteriormente, en donde se logr…
View article: Diseño de red óptica de larga distancia reconfigurable
Diseño de red óptica de larga distancia reconfigurable Open
Actualmente, las redes de fibra óptica están en proceso de implementación en todo el mundo ya que poseenventajas frente a las redes tradicionales, entre ellas el aumento de la cobertura y altas velocidades de transmisión; sin embargo, las …
View article: A passive optical bidirectional network design with Spectral partitioning of a wide band font
A passive optical bidirectional network design with Spectral partitioning of a wide band font Open
This paper presents the design of a passive optical network that approach the totally wide band of a light font in order to generate differents carrier signals that can be approach for a considerable cuantity of ussers much better and more…
View article: Fuzzy Systems: An Approach to 5G Networks Under the SDN Paradigm/ Sistemas Difusos: Una Aproximación a las redes 5G bajo el Paradigma SDN
Fuzzy Systems: An Approach to 5G Networks Under the SDN Paradigm/ Sistemas Difusos: Una Aproximación a las redes 5G bajo el Paradigma SDN Open
The exploitation that has had the fuzzy systems related to advances of 5G networks (Fifth Generation Mobile Networks) and how this development has been framed by the paradigm of SDN (Software Defined Networks) architectures are reviewed in…
View article: Fuzzy Systems: An Approach to 5G Networks Under the SDN Paradigm
Fuzzy Systems: An Approach to 5G Networks Under the SDN Paradigm Open
The exploitation that has had the fuzzy systems related to advances of 5G networks (Fifth Generation Mobile Networks) and how this development has been framed by the paradigm of SDN (Software Defined Networks) architectures are reviewed in…
View article: Performance analysis of 2R optical regeneration by cross gain compression using multiple quantum well semiconductor optical amplifiers
Performance analysis of 2R optical regeneration by cross gain compression using multiple quantum well semiconductor optical amplifiers Open
Este artículo presenta el análisis de prestaciones de una configuración para la regeneración óptica 2R (re-amplificación y re-formado de onda) mediante Compresión de Ganancia Cruzada (XGC) y Modulación de Ganancia Cruzada (XGM) sobre un Am…
View article: Oportunidades para la implementación de radio definida por software en redes de sensores
Oportunidades para la implementación de radio definida por software en redes de sensores Open
En este artículo se revisan los conceptos y las características de la radio definida por software. Se presenta una revisión de las problemáticas de las redes de sensores en cada uno de los campos de aplicación desde la perspectiva de la in…
View article: Antena de Parche Cortocircuitado con Polarización Circular y Sentido de Giro Reconfigurable para Aplicaciones en Satélites de Reducido Tamaño
Antena de Parche Cortocircuitado con Polarización Circular y Sentido de Giro Reconfigurable para Aplicaciones en Satélites de Reducido Tamaño Open
ResumenEste artículo presenta el diseño y caracterización de una antena microstrip de parche circular cortocircuitado, alimentada mediante un acoplador híbrido de cuadratura para lograr polarización circular reconfigurable.El elemento radi…
View article: Antena de parche con sentido de giro reconfigurable para aplicaciones en satélites CubeSat
Antena de parche con sentido de giro reconfigurable para aplicaciones en satélites CubeSat Open
En este artículo se presenta el diseño de una antena tipo parche en anillo circular cortocircuitado con polarización circular y sentido de giro reconfigurable, con mejoramiento de la relación axial mediante el uso de un acoplador híbrido d…
View article: Generación de señales para sistemas de radio sobre fibra basados en la combinación eléctrica de componentes de banda base y radiofrecuencia
Generación de señales para sistemas de radio sobre fibra basados en la combinación eléctrica de componentes de banda base y radiofrecuencia Open
Generación de señales para sistemas de radio sobre fibra basados en la combinación eléctrica
View article: Performance of multiobjective computational intelligence algorithms for the routing and wavelength assignment problem
Performance of multiobjective computational intelligence algorithms for the routing and wavelength assignment problem Open
This paper presents an evaluation performance of computational intelligence algorithms based on the multiobjective theory for the solution of the Routing and Wavelength Assignment problem (RWA) in optical networks. The study evaluates the …
View article: Antena plana para aplicaciones en las bandas L1 y L2 de GPS
Antena plana para aplicaciones en las bandas L1 y L2 de GPS Open
This paper presents the development of an antenna with circular polarization and double resonance using a substrate of low dielectric constant and low price, showing comparable results in front of conventional designs. The design is made u…
View article: Plannar antenna for L1 and L2 GPS bands applications
Plannar antenna for L1 and L2 GPS bands applications Open
This paper presents the development of an antenna with circular polarization and double resonance using a substrate of low dielectric constant and low price, showing comparable results in front of conventional designs. The design is made u…
View article: Plannar antenna for L1 and L2 GPS bands applications
Plannar antenna for L1 and L2 GPS bands applications Open
Antena plana para aplicaciones en las bandas