The problem of compatibility between wireless devices is being addressed at an international conference this week. Scientists will be discussing what has been dubbed "Tower of Babel" technology - software that can converge different wireless gadgets into a single device. The aim for Software Defined Radio (SDR) is to be able to translate and understand any kind of radio wave signal, such as 3G or wi-fi.
If you were to go on a hill-walking trip, you might have a walkie-talkie to talk to friends who are not far away, a mobile in case of emergency, GPS, a Bluetooth connection and even a laptop or PDA with a wireless LAN connection. Every single one of these things is a radio, and they are all slightly different. But in the future, with Software Defined Radio, all you need is one thing that can do the job of all of these devices.
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