I just saw it on hacker news that DARPA has announced a Spectrum
Challenge to program a software defined radio to dominate the spectrum
deploy the best protocol which performs best over other radios in
pre defined conditions. It will start in January 2013 and the webpage is
I am sure it is for expert communication system designers. I am a novice
gnuradio and interested in giving it a shot. Just wanted everybody in
group to know about it and have a look.