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All available training materials

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 Authorsort icon Time Language Updated
Basic Antenna Theory

Understanding the operation and design of microwave antennas. Discussion includes:

  • Review of basic antenna types 
  • Radiation pattern, gain, polarization 
  • Equivalent circuit & radiation efficiency 
  • Smart antennas 
  • Some theory 
  • Summary

 

Ryszard Struzak English 7 Oct 08
Radio-wave Propagation Basics

A review of the basics of radio wave propagation physics needed to understand the operation of wireless local area networks.

Ryszard Struzak English 14 Aug 08
HAPs - High Altitude Platforms

A discussion of new technologies of broadband access using stratospheric radio platforms.

Ryszard Struzak English 14 Aug 08
A long-distance link in Malawi

A case study of the 2008 ICTP / Blantyre Polytechnic / Blantyre College of Medicine joint project to build a long distance WiFi network. The network connects Blantyre to Mangochi, spanning a distance of about 160 km.

 

Given at AfNOG 2009 (Cairo).

 

 

Rob Flickenger, Steve Okay, Carlo Fonda, Ermanno Pietrosemoli, Marco Zennaro, Anthony Muyepa 30 minutes English 24 May 09
WiFi Networking Architecture

An overview of basic WiFi operating modes and applications. Topics include:

  • Point to point, point to multipoint, and multipoint mesh
  • Radio operating modes: AP, station, ad-hoc
  • Bridging vs. Routing
Rob Flickenger English 14 Aug 08
DIY WiFi Antennas

Do-It-Yourself antenna designs, including omnidirectional, biquad, parabolics, and cantennas.

Rob Flickenger English 14 Aug 08
Site Survey Tools

Software and hardware tools used for detecting and analyzing wireless networks, prior to installing your own.

Rob Flickenger English 14 Aug 08
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
Wireless Security

An extensive exploration of wireless security topics, including:

  • Standard 802.11 security features
  • Encryption techniques and standards
  • Logistical security considerations
  • Open source tools that implement, test, and break security features

 

Rob Flickenger 1 hour English 7 Oct 08
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