Arturo Benito Rodriguez

University of Santiago, Chile | USACH · Departamento de Tecnologías Industriales

Se propone una solución novedosa al problema de asignación de longitudes de onda en su enrutamiento RWA (Routing Wavelength Assignement). En ella se utiliza un método integral en contraste con las soluciones que dividen el problema en dos partes. Se modela y simula el "backbohne" de la red NSFNET. Se muestra resultados.

The present study shows the incorporation of an indicator for testing routing algorithms in topologically equivalent scenarios. This indicator is based on a topological disorder shown by the link matrix in its secondary diagonal, given that optical networks are generally symmetric with respect to the main diagonal. In this way, comparisons can be m...

The primary goal of this research study is to measure and compare quality service metrics between light communication technology (Li-Fi), wired connection (Gigabit-Ethernet), and 2.4Hz wireless connection (Wi-Fi). Upload speed, packet download, and real time video are measured by using transfer tools and are monitored with specialized software. The...

El objetivo del presente estudio es medir métricas de calidad de servicio para comparar la tecnología de comunicación por luz (Li-Fi) con la conexión por cable (Gigabit-Ethernet) y la conexión inalámbrica (Wi-Fi) en 2.4 GHz. Se utilizan herramientas en transferencia, midiendo velocidad de subida, descarga de paquetes y video en tiempo real, monitor...

El presente trabajo muestra la incorporación de un indicador para el testeo de algoritmos de enrutamiento en escenarios topológicamente equivalentes. El indicador está basado en el desorden topológico que muestra la matriz de enlaces en su diagonal secundaria, dado que en redes ópticas en general son simétricas respecto de la diagonal principal. De...

In the food industry, some fungi are considered to be common spoilage microorganisms which reduce the shelf life of products. To avoid this outcome, different technologies are being developed to control their growth. Electromagnetic fields (EMF) have been used to combat bacterial growth, but there are few studies on yeasts and their possible action...

The primary objective of this research study was to implement a project-based learning (PBL) methodology to improve knowledge appropriation, teamwork skills, and collaboration between students. The methodology was applied by using an in-class experiment in the building materials course of the technology in construction degree at the University of S...

Optical networks have been positioned as high-speed networks whose switches must respond to requests at rates that did not occur before, determining that static traffic evolving into dynamic traffic caused the routing problem, and the wavelength assignment cannot be solved with optimization processes, giving rise to the appearance of heuristic algo...

En el presente trabajo se comparan las heurísticas del tipo microbioheurísticas, utilizando un escenario con trafico dinámico bajo cargas de 10 a 180 Erlangs en la red National Science Foundation NETwork (NSFNET). Se utilizaron diversos indicadores tales como: Probabilidad de bloqueo promedio, utilización de la red promedio y la tasa de uso de la r...

Las redes ópticas se han posicionado como redes de alta velocidad donde sus conmutadores deben responder a solicitudes a tasas que antes no ocurrían, esto determinó que el tráfico estático evolucionar a tráfico dinámico generó que el problema de enrutamiento y asignación de longitud onda no pueda ser resuelto con procesos de optimización, dando lug...

Objectives: The Internet of Things (IoT) and its applications are growing simultaneously. These applications need new intelligent devices along heterogeneous networking. Which makes them costly to implement indeed. Platforms and open devices designed for open-source hardware are possible solutions. This research was conducted under an IoT design,...

The implementation of the Internet of things in healthcare is a promising challenge to achieve coverage for a bigger number of users in different places at lower costs. Internet of things might mean better technology regarding response time and proper control of medical parameters. This study introduces an Internet-of-things system for healthcare w...

Brettanomyces bruxellensis has been described as the principal spoilage yeast in the winemaking industry. To avoid its growth, wine is supplemented with SO2, which has been questioned due to its potential harm to health. For this reason, studies are being focused on searching for, ideally, natural new antifungals. On the other hand, it is known tha...

Aims: The goal of this study was to evaluate the development of telemedicine in Colombia. Materials and methods: Searched for laws in the Colombian legal system; the statistics of services and health operators was extracted from the unique system of habilitation; we looked for reports from the Ministry of Information and Communication Technologi...

This article proposes a new indicator to measure desertion from university programs classified by departments and by careers, indicator called Geometric Dropout Index. In addition, a parameter called permanence is defined, which measures the percentage that the cohort represents in each year of permanence in the system. The results indicate that th...

El análisis y discusión de la deserción es sin duda uno de los temas con mayor tribuna en el ámbito de la calidad en educación, sin embargo, los indicadores no permiten un acercamiento adecuado al fenómeno a medir, estando inmerso en un sin número de interpretaciones que distorsionan la gestión educativa y no permiten una gestión oportuna y eficaz...

This article shows the results of an intervention of the active type using electromagnetic technology. The motivating experience of the intervention manages to be the center of attention of the students in the classroom. In this way the teacher can establish a connection by developing the understanding of the concept of relative humidity in firewoo...

El análisis y discusión de la deserción es sin duda uno de los temas con mayor tribuna en el ámbito de la calidad en educación, sin embargo, los indicadores no permiten un acercamiento adecuado al fenómeno a medir, estando inmerso en un sin número de interpretaciones que distorsionan la gestión educativa y no permiten una gestión oportuna y eficaz...

A study was done on the effects and influence of conventional electromagnetic fields (Wifi and Cellular) on contaminating microorganisms. The study was performed using Luria-Bertani (LB) and Water Peptone 2.5% (WP) media in two Wifi band channels (1 and 11) using control samples in each case, for a period of 2 days at -30 dBm. The results show a si...

In this article is designed a system OFDM optimal for the bi-directional communication at the smart grid. The transmission is simulating a channel with noise class A, what is characteristic of the electrical lines of high, medium and low voltage. The OFDM system is optimal because they employ two-dimensional constellations rotated: rectangular, cir...

The mainstreaming efforts of the LabSim and LAMAP research laboratories of the Technology Faculty led to the study of the effects and influence of conventional electromagnetic fields (Wifi and Cellular) on contaminating microorganisms. The study was performed using Luria-Bertani (LB) and Water Peptone 2.5% (WP) media in two Wifi band channels (1 an...

The heuristics used to solve the problem of routing and wavelength assignment in optical networks in dynamic scenarios had been partially successful and especially do not respond well when subjected to stress. This article describes a new strategy called Snake-Two that uses the algorithm Snake-One with the monitoring of network links, trying to con...

Today, robotics is used as a motivating element there is no known history of its use as an educational methodology for other subjects. However, new generations of students have a "symbiotic" relationship with technology and all things that are considered simply "boring." Classes that do not use technology in their composition present greater disper...

In this article are analyzed and discussed what should be the rules that must be applied in Chile to deploy the smart grid. It examines what kinds of standards can be applied in various systems of the mains: in the generation, transmission and distribution are the characteristics of the rules for the transmission of data. It analyzes the characteri...

The article shows the results of methodological intervention of the type active and cooperative through the use of robotic technology. The objective of the study was to demonstrate that n-dimensional interventions develop understanding over doing, allowing meaningful learning. This technology is not used only as a motivating and entertaining elemen...

The article shows the results of a new metaheuristic based on the Vnake One algorithm that has been called Vnake Three. It is based on the use of links until achieving maximum congestion. In this way, some order in the use of resources is achieved by leaving free the rest of the links to satisfy the incoming or future demand. The network used in th...

The article shows the results of a study developed in three areas of the Metropolitan Region in Chile, in which 1228 people of different age, labor, educational level, and gender were surveyed. The validated instrument consists of four dimensions students, teaching, teaching quality, interpersonal relations and relationship with technology. The ins...

El aumento de la demanda en el transporte de datos a través de las redes ópticas WDM (Wavelength Division Multiplexing) ha llevado a nuevos problemas relacionados con la búsqueda de rutas y la asignación de longitudes de onda en estas redes, estos problemas se resuelven a través de procesos algorítmicos que pueden ser convencionales o heurísticos....

In this paper is shown the simulation results of a new heuristic, called snake-one. The simulation was performed in the National Science Foundation NETwork (NSFNET-USA) under dynamic traffic and compared with other heuristics such as Simulated Annealing, Genetic Algorithms and Tabu Search previously released, using the Blocking Probability indicato...

One of the most important concerns, since 2008 is the internationalization of education in the Americas, and for that are held several meetings that have brought the positions on the education of the academic community in America. The first one held in Canada in 2010, the second in Brazil in 2012, the third in Mexico in 2013 and fourth in Ecuador i...

This article proposes the snake-one heuristic for the solution of the problem of routing and wavelength assignment in WDM optical networks with dynamic traffic. This heuristic is simulated in the NSFNET network with 3 other heuristics such as simulated annealing, genetic algorithms and tabu search. The results show that this new heuristic improves...

This research shows the performance comparison between different heuristico such as genetic algorithms, simulated annealing, Tabu Search, Snake-One and a new metaheuristic called Snake-Two. Varlier were obtained low blocking probability but with a tendency to increase network utilization. The new Snake-Two strategy can prove that the behavior of th...

This article shows the results of the intervention in the communes of La Granja, Santiago and Nunoa belonging to the province of Santiago, in Chile. Such intervention reached the 1200 surveys to observe the perception of citizens regarding electromagnetic technologies and how are you impact their well-being. The operation was performed based on fou...

This paper presents the results from the simulation of Snake One, a new heuristic algorithm, and the comparison made between three heuristic algorithms: Genetic Algorithms, Simulated Annealing, and Tabu Search, using blocking probability and network utilization as standard indicators. The simulation exercise was conducted on WDM NSFNET under dynami...

Modern telecommunications are supporting every day a progressive demand for services, which in turn generates greater requirements from the attention capacity in photonic transport networks. This phenomenon forces us to improve the routing systems, to minimize the blocking probability and minimize the use of the network, among other indicators, in...

Innovative interventions in class, have been the orientation of the current education. The Santiago de Chile University through Teaching Innovation Projects, stimulates the intervention in class, this has allowed a great teaching development. The research team of the career Technologist Telecommunications was awarded the project "Searching the comp...

The importance of innovation in educational institutions today has driven the development of countless innovations with classroom interventions; however, little has been developed regarding the assessment of these interventions and their impact on domains that constitute skills universities seek to develop. The topic of quality of education is of...

Resumen El presente artículo muestra una nueva heurística denominada Snake y sus posibilidades futuras para mejorar los indicadores de probabilidad de bloqueo y utilización de la red de transporte de datos. Para ello, se realizó la comparación de los algoritmos Recocido Simulado (Simulated Annealing), Algoritmos Genéticos, Búsqueda Tabú y el nuevo...

p>El presente artículo ofrece una reflexión sobre las posturas metodológicas del construccionismo que integran las tecnologías de la información y la comunicación (tic), entre ellas la WebQuest, objetos digitales de aprendizaje, plataformas e-Learning, entre otras, de gran auge actual, frente a nuevos objetivos y desafíos con visión futurista de la...

The commitment of the academic community with its own learning has brought up different educational methodologies that differ in terms of the treatment of its components, such as students, teachers and the surroundings, and how they participate in the teaching-learning process. The marked differences between the active methodologies are being studi...

The increase on the demand of online services has generated the need to increase the supply of bandwidth and timely access to transport services in optical networks with WDM (Wavelength Division Multiplexing) technology. The algorithms associated to provide this service, do not achieve an optimal performance under high demand load in dynamic traffi...

One of the major concerns of the Technological Faculty, Universidad de Santiago (Chile) is the transformation that occurs in education worldwide, where there is a very powerful intervention of technology in everyday life of students, which set a new student. This contrasts with the low level of transformation of our educators, finding ourselves in...

In this paper compares studies over routing and wavelength assignment for better some services indicators, such as blocking probability and network utilization. In modern telecommunications are gradually subjected to increased demand, which results in higher requirements in photonic transport networks. This phenomenon forces us improve routing syst...

The present study is within the project "Modeling of academic performance in school dropout Early Education and Social Work, 2005-2009," of the UNIVERSIDAD DEL PACIFICO, which aims to find a model dropout of both schools. We analyzed a total of 224 cases of dropout students in the state of the schools in the period mentioned above. We used variable...

This article shows the results of comparative analysis of samples of students who drop out and those that are active for the period 2008-2009. The samples belong to the School of Nursing at the University of the Pacific, the information displayed comes from the Academic Management System (EMS) of the university. According to Kolb's test, the school...

The present study shows the results of a research carried out by the Schools of Nursing, Agronomy and Veterinary of the Universidad del Pacífico – Chile, in its head office in Melipilla. A number of 320 students in the first year was used as a sample in a period comprising years 2008 and 2009. The variables measured in this research are the academi...

In presented article, it looks for a new form to solve to the problem of routing and allocation of wavelength in networks photons (RWA - Routing Wavelength Assignement). This problem has been solved dividing it in 2 subproblems, and applying to different algorithms optimizers, among them are the genetic algorithms, he himself who is used in this in...

In presented article, it looks for a new form to solve to the problem of routing and allocation of wavelength in networks photons (RWA -Routing Wavelength Assignement). This problem has been solved dividing it in 2 subproblems, and applying to different algorithms optimizers, among them are the genetic algorithms, he himself who is used in this inv...

Resúmen-Sin duda alguna, las altas velocidades lumínicas en las redes de los próximos años serán superiores a cualquier solución electrónica. Por lo tanto, las restricciones de velocidad de transmisión en redes de dominio óptico no estarán en el medio de transmision. A diferencia de las redes de dominio electrónico, la restricción estará dada por l...

Resúmen En las redes ópticas de los próximos 20 años, la limitación en el ancho de banda no dependerá del medio de transmisión, que es como se esperaría, sino más bien de los dispositivos entre nodos, entre los cuales están los ruteadores (routers). Estos elementos ruteadores deben ser capaces de seleccionar la ruta óptima de manera rápida y eficie...