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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 Timesort icon Language Updated
dB math and Link Budget Calculation

This presentation is on dB math (why do we use dBs?, examples of calculations with dBs, etc) and on Link Budget Calculation (how far can a wireless link go?, what gain should my antenna have, etc).

Marco Zennaro, Carlo Fonda 1 hour English 15 Oct 08
Wireless needs (work)

subtitle: Do we need wireless? Wireless needs a lot of work! ;) ...Wireless networks: "why, when and where" of WLANs

 

This is a "not-very-serious lecture" for introducing issues and benefits of wireless networking

(it also contains some polls/questionnaires to check the background knowledge of the audience)

Carlo Fonda, Marco Zennaro 1 hour English 15 Oct 08
Open training on wireless

This presentation summarize the experience of 7 years of training on wireless networking at the ICTP (Trieste, Italy).

Carlo Fonda, Marco Zennaro 1 hour English 15 Oct 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
WirelessWeb

A crazy lecture on "why web developers should care about wireless networking", presented at a conference on web technologies.

It presents briefly (20 minutes) what wireless networking is (with some hints on mobile web browsing), then discuss about "ZeroConf" (10 minutes) and finally introduces the basics of web-designing with XHTML and CSS.

Carlo Fonda 1 hour English 15 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
Practica de dimensionamiento de sistemas de energia fotovoltaica

Resumen de los factores a considerar para cuantificar el numero de paneles fotovoltaicos y la cantidad de baterias necesarios para satisfacer los requerimientos de alimentacion de una estacion de telecomunicaciones con energia fotovoltaica.

Ermanno Pietrosemoli 1 hour Spanish 27 Jan 09
Introduction to WiFi

This is a basic introduction to using WiFi for wide area networks. Link types (point-to-point, point-to-multipoint, etc.) as well as radio operating modes (master, managed, ad-hoc) are covered.

 

Given at AfNOG 2009 (Cairo).

 

 

Rob Flickenger 1 hour English 24 May 09
Creating local Debian/Ubuntu repositories with apt-mirror

Short guide on how to create, configure and use local Ubuntu repositories.

 

This might need more detail and examples.

Please feel free to comment and improve!

sebastian buettrich 1 hour English 25 Aug 09
Comparative Use of Unlicensed Radio Spectrum

Visualizing how different devices make use of the available radio spectrum.

  • DSSS vs. OFDM vs. frequency hopping
  • 802.11 channels
  • Using a Wi-Spy or spectrum analyzer to detect interference
Rob Flickenger 1/2 hour English 8 Oct 08