Introduction to wireless communication

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Topic Assignment
Theory
Waves Waves
Wave animations A human wave
Radio transmission Radio waves
Comparing radio and sound  
Modulation Modulation
Spectral efficiency  
Power Power
Two ways to lose power  
Noise  
Will the signal be received?  
Ways to avoid interference  
Decibels  
Decibels compare power levels Estimating power
Logarithm review Logarithm review
Relative power -- decibels  
Link budget  
Free space loss and obstruction  
Antennae  
An omni-directional antenna  
Other antennae  
IEEE 802.11/WiFi
IEEE 802.11/WiFi introduction  
Selected WiFi characteristics  
WiFi transmission distances  
Wireless SOHO router  
A WiFi session  
WiFi power  
WiFi link budget example  
Predicting MIMO by watching the standards process  
Applications
Network topology  
Fixed, portable and mobile connections Topology and permanence
Spectrum allocation  
Enterprise WiFi  
Long distance WiFi  
Public access hotspots Municipal network cost/benefit
Hermosa Beach municipal network  
Michael Keegan's slides  
Hermosa Beach politics  
Rural connectivity in Texas  
Rural connectivity in a developing nation  
Infothela (info cart)  
CSUDH dorm project  
Intel Rural Connectivity Program  
T-Mobile cellular coverage at CSUDH  
Cellular towers around CSUDH  
Cellular generations Technology change implications
Early "smart radios"  
Radio Mobile, GIS-driven link analysis  
Mobile TV in Britain  
Mobile TV in South Korea  

 

For further information see WiFi Planet, The Wikipedia, WiFi Networking News, and Trevormarshall.com. Also read Steve Stroh's blog, and follow the links you find there. There is also training material online and a complete book on wireless networking in the developing world.


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