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05-06-2012, 04:37 PM
Post: #1

.ppt  54154328-Wibree-Smnr-Ppt.ppt (Size: 1.13 MB / Downloads: 33)

what is wibree

Wibree is a short range (10 metres/30 feet), wireless technology featuring ultra-low power consumption, a lightweight protocol stack and simple integration with Bluetooth.
This specifically target connectivity between mobile devices such as smart phones or PCs and small battery-powered devices such as watches, wireless keyboards, toys and sports sensors.
The main purpose for introducing wibree was to create a wireless technology that consumes less energy ,more efficient and cheaper then bluetooth.


Around 2001; the Nokia Research Center was looking at options for future personal wireless networking
They thought of low power devices such as sensors, but realized that there was no suitable technology connecting those to larger devices such as a mobile phone.
It made them to develop a technology called Wibree to meet the requirements of low power consumption, small size, and low cost with interoperability based on open specification.
Nokia decided to create a new open wireless protocol along with its partners Broadcom Corporation, CSR, Epson, and Nordic Semiconductor, is working to bring it to market.


Nordic Semiconductor is a key player in Wibree architecture. The company will continue to work with the group on the development of Wibree and its extension to a range of exciting new applications.

Wibree specification has been in modes namely
Dual mode
Stand alone mode

Wibree Specifications

Wibree radio specification enables dual-mode implementations to reuse Bluetooth RF part but also to guarantee ultra low power consumption for devices with embedded stand-alone implementation of the Wibree specification. Wibree operates in 2.4 GHz ISM band with physical layer bit rate of 1 Mbps and provides link distance of 5-10 meters.

Wibree link layer provides ultra low power idle mode operation, simple device discovery and reliable point-to-multipoint data transfer with advanced power-save and encryption functionalities. The link layer provides means to schedule Wibree traffic in between Bluetooth transmissions.

02-11-2012, 04:15 PM
Post: #2
to get information about the topic Wibree full report ,ppt and related topic refer the link bellow

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