Wibree

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Now a day the wireless technologies are more in use and are widely evolving. Some of the technologies now in use are Wi-Fi, Wi-max, Zigbee, and Bluetooth. Out of which Bluetooth is most popular. These technologies are widely used to connect the large devices like mobile phones or personal computers. No other existing wireless technologies will connect with small button cell battery devices so effectively. So the Nokia introduced the new radio technology called Wibree.
Wibree is the first open technology offering connectivity between mobile devices or personal computers, and small, button cell battery power devices such as watches, wireless keyboards, toys and sports & health care sensors. Wibree is a short range (10 meters/30 feet), wireless technology featuring ultra-low power consumption, a lightweight protocol stack and simple integration with Bluetooth.
1. INTRODUCTION:
Wibree is a digital radio technology (intended to become an open standard of wireless communications) designed for ultra low power consumption (button cell batteries) within a short range (10 meters/30ft) based around low-cost transceiver microchips in each device.
As of June, 2007 Wibree is known as Bluetooth ultra low power, in 2008 renamed Bluetooth energy .Wibree is a new radio technology developed by Nokia .It consumes only a fraction of the power compared to other such radio technologies, enabling smaller and less costly implementations and it is easy to integrate with Bluetooth solutions. In 2001, Nokia Researchers determined that there were various scenarios that contemporary wireless technologies did not address. To address the problem, Nokia Research Center started the development of a wireless technology adapted from the Bluetooth standard which would provide lower power usage and price while minimizing difference between Bluetooth and the new technology. The results were published in2004 using the name Bluetooth low End Extension. After further development with partners, e.g., within EU FP6 project MIMOSA the technology was released to public in October 2006 with brand name Wibree. After negotiations with Bluetooth SIG members, in June2007, an agreement was reached to include Wibree in future Bluetooth specification as a Bluetooth ultra-low-power technology, now known as Bluetooth low energy technology.

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