Cognitive radio: the road to mobile broadband delivery, or the path to anarchic interference?

For those who are not familiar with the term, cognitive radio (also sometimes described as white-space radio) describes a way of using radio spectrum in which unlicensed devices do not use particular assigned frequencies but rather constantly assess the available spectrum, determine which parts of it are currently unused and make use of that spectrum to transmit …

Read moreCognitive radio: the road to mobile broadband delivery, or the path to anarchic interference?