??The Youtube video is about the challenges of spectral coexistence and how Darpa launched a new program called the Spectrum Collaboration Challenge to encourage teams to develop radio networks which can autonomously collaborate to thrive without spectrum allocation. As part of this, DARPA created a testbed called the “Colosseum” to emulate tens of thousands of possible interactions between hundreds of wireless communication devices in real time, using NI’s USRPs and ATCA blades.??

https://www.youtube.com/watch?v=4ik6aVn-XL8