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Bluetooth technology

Bluetooth technology

Bluetooth technology

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BLUETOOTH TECHNOLOGY
TOPICS TO BE DELIVERED
Introduction
History
Technology Review
Bluetooth vs Other Wireless Technologies
Advantages of Bluetooth Technology
Disadvantages of Bluetooth Technology
Future of Bluetooth
Conclusion
References
Introduction
Definition
Bluetooth is a short-range and low power wireless technology
originally developed for exchanging data over short distances from fixed
and mobile devices, creating personal area networks (PANs).
Short-range radio frequency technology that operates at 2.4 GHz on an
unlicensed Industrial Scientific Medical (ISM) band.
Effective range of Bluetooth devices is 10 meters.
It was originally conceived as a wireless alternative to data cables.
History
Dr. Jaap Haartsen, who invented Bluetooth while working at Ericsson in
the 1990s,
The word "Bluetooth" is taken from the 10th century Danish King Harald
Bluetooth, he had been influential in uniting Scandinavian tribes into a
single kingdom.
In 1994 a group of engineers at Ericsson, a Swedish
company, invented a wireless communication
technology, later called Bluetooth.
Dr. Jaap Haartsen
Harald
Bluetooth
Value proposition of Bluetooth
Cordless
headset
Cell
phone
mouse
Cable replacement
Ad hoc networking
Data access
point
Internet access
Technology Review
Bluetooth uses a radio technology called frequency-hopping spread
spectrum.
Supports data rate of 1 Mb/s(originally).
The Bluetooth specifications are developed and licensed by the Bluetooth
Special Interest Group (SIG).

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Bluetooth technology

  • 2. TOPICS TO BE DELIVERED Introduction History Technology Review Bluetooth vs Other Wireless Technologies Advantages of Bluetooth Technology Disadvantages of Bluetooth Technology Future of Bluetooth Conclusion References
  • 3. Introduction Definition Bluetooth is a short-range and low power wireless technology originally developed for exchanging data over short distances from fixed and mobile devices, creating personal area networks (PANs). Short-range radio frequency technology that operates at 2.4 GHz on an unlicensed Industrial Scientific Medical (ISM) band. Effective range of Bluetooth devices is 10 meters. It was originally conceived as a wireless alternative to data cables.
  • 4. History Dr. Jaap Haartsen, who invented Bluetooth while working at Ericsson in the 1990s, The word "Bluetooth" is taken from the 10th century Danish King Harald Bluetooth, he had been influential in uniting Scandinavian tribes into a single kingdom. In 1994 a group of engineers at Ericsson, a Swedish company, invented a wireless communication technology, later called Bluetooth. Dr. Jaap Haartsen Harald Bluetooth
  • 5. Value proposition of Bluetooth Cordless headset Cell phone mouse Cable replacement Ad hoc networking Data access point Internet access
  • 6. Technology Review Bluetooth uses a radio technology called frequency-hopping spread spectrum. Supports data rate of 1 Mb/s(originally). The Bluetooth specifications are developed and licensed by the Bluetooth Special Interest Group (SIG).
  • 7. Your site here LOGO Classes Of Bluetooth Bluetooth devices are classified according to three different power classes, as shown in the following table.
  • 8. Piconets Definition “Two or more Bluetooth units sharing the same channel” One device acts as a master and the devices connected to it act as slaves. Slaves can not directly send data to each other. In effect, the master acts as a switch for the piconet and all traffic must pass through the master. There can be up to 7 active slaves in a piconet but only one master.
  • 9. Your site here LOGO Piconet formation Master Active Slave Parked Slave Standby
  • 10. Your site here LOGO Cell phone Cordless headset Cordless headset Cell phone Cordless headset Cell phone mouse Inter piconet communication Master Active Slave
  • 11. Scatternets DEFINITION “A set of two or more interconnected piconets form scatternets.” A Bluetooth unit can be a slave in two or more piconets, but it can be a master in only one. Devices that participate in two or more piconets may act as “gateways.” Bluetooth units can only transmit and receive data in one piconet at a time. Piconets may be identified by the master's identity and clock. Devices give notification of inactivation to master before becoming inactive in its piconet for a finite length of time.
  • 12. Your site here LOGO Scatternet formation Master Active Slave Parked Slave Standby
  • 13. Your site here LOGO Application Framework and Support Link Manager and L2CAP Radio & Baseband Host Controller Interface RF Baseband Audio Link Manager L2CAP TCP/IP HID RFCOMM Applications Data Bluetooth Protocols
  • 14. Your site here LOGO Bluetooth vs Other Wireless Technologies
  • 15. Your site here LOGO The Hands Free synchronizes its phonebook with the contacts on the mobile phone. The phonebook is vocally available at any time through Voice Recognition, Text To Speech & Voice Tags. Synchronization is done only once (at first connection). Phonebook synchronization Automatic Alessandro Del Piero Gianluigi Buffon Fabio Cannavaro Fabio Grosso Tiago David Trezeguet Alessandro Del Piero Gianluigi Buffon Fabio Cannavaro Fabio Grosso Tiago David Trezeguet
  • 16. Advantages Eliminates wires Offers formation of Ad hoc networks Standardized protocol Free of charge Easy to use Low power consumes battery less Stationary and mobile environments Facilitates Data and Voice Communication
  • 17. Disadvantages Relatively short range Less secure Interference with other devices Mediocre Data rates Bluetooth internet connection gets slow sometimes
  • 18. Your site here LOGO Future Of Bluetooth Bluetooth has a good future ahead because it meets a basic need of connectivity. Currently a protocol is being researched that would support large ad hoc networks. Latest version of Bluetooth are improving both its security and capabilities. Ultra wide band has been chosen by the Bluetooth Special Interest Group as the future of Bluetooth Technology. New versions of Bluetooth technology will meet the high-speed and large range. Many companies are designing impressive bluetooth applications in demand.
  • 19. Security  Authentication and encryption is provided at the Link Manager layer.  The PIN is translated into a 128 bit link key which is used for authentication.  After authentication the radios will settle on a suitable length encryption key to be used.  Bluetooth relies on PIN codes to establish trusted relationships between devices.
  • 20. Conclusion A new global standard for data and voice Eliminates Cables. Low Power, Low range, Low Cost network devices. Bluetooth seems to have a bright future after reviewing its benefits and wide use. Further improvements are planned to be made in Data Rates Power Reduction Range
  • 21. Your site here LOGO References [1] Future Of Bluetooth Technology by Justin Blasdin, Kian Pokorny [2] Security Comparison: BluetoothTM Communications vs. 802.11 Thomas G. Xydis Ph.D, Simon Blake-Wilson [3] Bluetooth dot dot attacks By John F.David, Michael Barclay [4] Bluetooth : A Technology in Demand By Aniston Roger, Siamonds Lee [5] Bluetooth Era http://en.wikipedia.org/wiki/Bluetooth [6] Blue Tooth http://www.wirelessdevnet.com/channels/bluetooth/features/bluetooth.html [7] Introduction To Bluetooth http://www.gsmfavorites.com/documents/bluetooth/introduction/ [8] Advantages Of Bluetooth http://ezinearticles.com/?What-Are-The-Advantages-Of-Bluetooth-Technology?&id=562666 [9] Bluetooth vs. Wi-Fi Technology http://www.smallbusinesscomputing.com/webmaster/article.php/3331421 [10] Hack Device via Bluetooth without owner’s permission http://www.wonderhowto.com/how-to/video/how-to-hack-a-cell-phone-to-make-free- phone-calls-218649/