Digital Airwaves

Software Defined Radio Basics and some Modulation Theory
Grundlagen-Vortrag zu SDR auf dem 35C3.

Encoding or decoding random radio-waveforms doesn’t need incredible expensive hardware anymore which offers new possibilities for building up over-the-air communication systems. There are Software Defined Radios providing affordable cellular radio to remote villages, Community Radios are using SDR to build up digital radio networks and other cool stuff.