171 : Video – All About Cell Phones

Homeowner's Friend Podcast

This is a special edition show – looking at how Cell Phones work! We look at the history of the cell phone from the earliest mobile radio telephones from the 50’s to todays fourth generation wonders. We look at the technologies including AMPS, TDMA/GSM/IDEN, CDMA (2000) up to LTE. Also covered are the basics of a cell phone network, a bit about the cellular layout and even the cellular switch. Enjoy!

Listen to audio here or watch video on You-Tube HERE!!

 

Here is the video I mentioned explaining how the CDMA signal is made and then decoded using the Walsh and Pseudorandom codes..https://www.youtube.com/watch?v=XJ81CuujwYE

Photo by Kozuch on Wikipedia

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