Please browse and make use of these materials. Each title is one training unit—the total sum of materials for one single class, session or lecture. One unit may be one video of a two-hour lecture. Another may be several files including class handouts, presentation slides, trainer’s notes, and homework.
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Title |
Summary | Author | Time | Language | Updated |
|---|---|---|---|---|---|
| Unidad 12: Seguridad en Redes Inalámbricas |
Las redes inalámbricas presentan algunos retos adicionales con relación a la seguridad si la comparamos con las redes cableadas. Sin embargo, utilizando cifrado (encriptación) de extremo a extremo se puede ofrecer a los usuarios protección adecuada para sus datos y transacciones. |
Equipo TRICALCAR | 1 hour | Spanish | 29 Aug 08 |
| Unidad 11: Resolución de Problemas |
Un enfoque metódico para identificar las fallas en una red inalámbrica. |
Equipo TRICALCAR | 1 hour | Spanish | 29 Aug 08 |
| Unidad 10: Instalaciones para Exteriores |
Se presenta información sobre las estructuras necesarias para fijar antenas y dispositivos expuestos a la intemperie. Conceptos de protección contra rayos y puesta a tierra. Ejemplos de instalaciones en varios países. |
Equipo TRICALCAR | 1 hour | Spanish | 31 Aug 08 |
| Unidad 17: Enlaces de Larga Distancia |
Aunque las redes WiFi nacieron como redes de área local, se pueden modificar para ofrecer servicios a larga distancai y a muy bajo costo, utilizando antenas externas y una ingeniería apropiada. Los experimentos demuestran la factibilidad de transmitir a más de 300 km de distancia y a altas tasas de transmisión. |
Equipo TRICALCAR | 1 hour | Spanish | 7 Oct 08 |
| Tecnologia apropiada para redes comunitarias |
Conferencia inaugural de WALC2008, Escuela Latinoamericana de Redes, Universidad de los Andes, Merida, Venezuela 10 de noviembre 2008. Vision de los factores que favorecen las soluciones inalambricas como la tecnologia mas conveniente para el despliegue de redes comunitarias. |
Ermanno Pietrosemoli | 1 hour | Spanish | 20 Nov 08 |
| Sustainability Strategies |
Define basic concepts of sustainability. Provide a guide to identify factors that may be critical for the sustainability of community wireless networks. Analise examples of projects that have used Wi-Fi technology in their networks. |
TRICALCAR Team | 1 hour | English | 30 Aug 08 |
| Spread Spectrum radio technologies |
This lecture is a theoretical introduction to the "spread spectrum" technology, with simple examples to understand how it works. It discusses the difference between SS and narrow-band radio, and between direct sequence and frequency hopping SS. There are also two short appendixes on Antenna Basics and Power Budget Calculation. |
Fulvio Postogna, Carlo Fonda | 1 hour | English | 15 Oct 08 |
| Spectrum Management & Regulatory Issues |
A review of regulations that specify how radio systems of any kind should (or should not) be used in all countries. |
Ryszard Struzak | English | 14 Aug 08 | |
| Solar PV Energy for Telecommunications |
Solar Photovoltaic is a good solution for powering telecommunication devices in places not served by the electricity grid. Because of the cost of the solar panels and batteries required, it is very important to understand the technology and be able to estimate with good precision the number of devices required to meet the requirements of a given installation. |
TRICALCAR Team | 2 hours | English | 7 Oct 08 |
| Site Surveying and Antenna Mounting |
Overview of site survey and outdoor mounting considerations, including:
|
Ermanno Pietrosemoli | English | 14 Aug 08 |