If you want to learn more about "Cognitive Radio" technology, which is being promoted as a way to solve spectrum scarcity, an article in the March issue of Scientific American provides an excellent overview of the technology and its potential.
See Scientific American's article, Cognitive Radio: Smart radios and other new wireless devices will avoid transmission bottlenecks by switching instantly to nearby frequencies that they sense are clear.
Thank you for signing up to TV Tech. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.