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Low, energy, Bluetooth, specification, finalisedMore From
Low energy Bluetooth specification finalised
Stuart Corner
Wednesday, 07 July 2010 10:15
The Bluetooth Special Interest Group (SIG) has formally adopted the low energy version, 4.0, of the Bluetooth specification saying it will open up whole entirely new markets for devices requiring low cost and low power wireless connectivity, or that must be powered by tiny batteries.
The new version represents a coming together of two emerging low power short range wireless technologies on collision course: the Nokia-backed Wibree and Bluetooth.
However in June 2007 the Wibree Forum merged with the Bluetooth SIG and Wibree was chosen to be the basis of the low energy version of Bluetooth. A year later UK-based chip maker CSR demonstrated the first chip incorporating the nascent low powered version of Bluetooth.
The merger ended a curious phase in Bluetooth's history, in which the unanswered question was why development of the functionality provided by Wibree had not been undertaken within Bluetooth in the first place. Several Wibree backers, such a Nokia were active in Bluetooth developments and the need for a low power version of Bluetooth, suitable for small devices like watches powered by 'button' batteries, had been evident for some time.
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