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So far, the CAN protocol has been limited to wired applications. Now, a Swedish-British collaboration is developing Bluecan, which places Bluetooth and CAN protocols on the same chip.
Swedish Kvaser and British Jennic are developing Bluecan, the world's first wireless controller area network (CAN). The CAN protocol is an ISO standard for serial data communication originally developed for the automotive industry. Designed for wired communications, it is difficult to achieve acceptable bit rates and delays.

So far, Kvaser has solved the basic problem by working with Bluetooth and CAN over radio links.

"What we are doing now is to combine the Bluetooth and CAN protocols on one single chip. Not only does this give us an advantage as far as size is concerned, but also a considerably better performance," says Kvaser's Lars-Berno Fredriksson.

Kvaser specialises in CAN development tools, services and training. Jennic delivers IP solutions to chip manufacturers and develops tailor-made semiconductor solutions for its customers. Fredriksson continues:

"If everything goes according to plan the chips will reach the market this time next year."

With Bluecan presented, he is still not worried about competitors catching up, as he says:

"This is not easily done! Also, we have filed several patent applications for this technology. We have had the first applications approved in the US and Sweden, and the same applications are awaiting approval in Europe."


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