Wibree Wireless Technology Explained
"Discover the specifications, advantages, and applications of Wibree, the innovative wireless technology offering low-power connectivity for small battery-powered devices. Learn about Wibree implementations and how it compares to Bluetooth. Explore the potential of this IEEE 802.15.4 standard technology for various industries. Stay informed about the latest in wireless connectivity with Wibree."
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www.studymafia.org Seminar On Wibree Submitted To: www.studymafia.org www.studymafia.org Submitted By:
Various Wireless Technologies What is Wibree? Specification Why is Wibree needed? Wibree implementations Wibree and Bluetooth comparison Applications Advantages and Disadvantages 2
Wi-Fi, Wi-max, Zigbee, Bluetooth. These connect to large devices like mobile phones or personal computers. No other existing wireless technologies will connect with small button cell battery devices so effectively. Nokia introduced the new connectivity technology WIBREE Wibree is also known as Bluetooth Low Energy Technology 3
offering connectivity between mobile devices or personal computers, and small, button cell battery power devices such keyboards, toys and sports & health care sensors. Wibree is the first open technology as watches, wireless, 4
connectivity technologies are not optimized for ultra low power applications. Currently available standardized local 5
Technology coming under IEEE 802.15.4 STANDARD The 2.4GHz frequency connectivity technology, offering low power usage. Wibree s design goal of 1-2 years on a single battery. Wibree is up to 10 times more energy efficient than Bluetooth , putting Wibree around 10mW. 6
Wibree implementations: There will be two types of Wibree implementations Wibree stand-alone chip Wibree-Bluetooth dual-mode chip 7
Wibree stand-alone chip: Used with applications which require extremely low power consumption, small size, low cost and where only small quantities of data are transferred. An ideal solution for small devices (like heart- rate monitors) that use only short data messages and must have long battery life. 8
Wibree-Bluetooth dual-mode chip: Designed for Bluetooth devices Integrating with Bluetooth chip using current Bluetooth peripherals Additional tiny power cell (EG: CR2430) Mainly integrated in mobile devices & personal computers 9
There are two different cases for the network topologies : single and dual mode topology single mode only topology Wibree supports star and star-bus network topology 11
Single and dual mode topology - dual mode devices act as hubs and single mode devices act as nodes - the connection between hub & node is a BT low energy technology Single mode topology one of the single mode devices acts as hub 12
Wibree and Bluetooth The maximum transmitted output power of Bluetooth class 2 is 2.5 mW. The total power consumption is much higher. The output power of Wibree standard will be around 0.25mW. Each manufacturer will determine its own transmit power. 14
Advantages Ultra-low power consumption Long battery life Small chip size 10 times more energy efficient than Bluetooth Inexpensive implementation Easily integrated with Bluetooth solutions 18
Disadvantages: Data transmission is very slow, i.e. only 1Megabit per second Cannot be used in high bandwidth required applications 19
Future With WIBREE Blue is the upcoming Bluetooth low energy solution range from Nordic Semiconductor. It will bring Bluetooth wireless connectivity to portable devices running on small but standard coin cell (watch) batteries and support battery lifetimes from months to years, depending on the application 20
has the potential to transform consumer devices. It will solve the technology and monitoring issues that are currently hindering the adoption of wireless healthcare services and enable a whole new generation of lifestyle, monitoring and safety products. Taking all of these factors together, Wibree 21
References : www.ieeexplore.org www.ezurio.com www.wibree.com www.bluetooth.com 22
