[CTSARA] Wireless breakthrough: one frequency, multiple signals • The Register

[Andrew Rosca]

A team of Italian radio boffins – and one Swede – have one-upped their
pioneering countryman Guglielmo Marconi by demonstrating a method of
simultaneously transmitting multiple signals on the same frequency.

http://www.theregister.co.uk/2012/03/02/radio_breakthrough/