Hi, I just saw it on hacker news that DARPA has announced a Spectrum Challenge to program a software defined radio to dominate the spectrum and deploy the best protocol which performs best over other radios in certain 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 in gnuradio and interested in giving it a shot. Just wanted everybody in the group to know about it and have a look.