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Bluetooth

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Bluetooth Bluetooth Presentation Transcript

  • GENERAL PRESENTATIONONBLUETOOTHNeeraj Dhiman
  • What is Bluetooth?Bluetooth is an inexpensive, short-range, low-power wireless networking technology developedto replace cables and wires. Bluetooth is becomingthe standard for wireless communication.
  • Who Developed Bluetooth?Bluetooth was originally developed by Ericsson, andthen in 1998, Bluetooth was formally introduced byIBM, Ericsson, Intel, Nokia and Toshiba. Thesecompanies formed a trade association known today asthe Bluetooth Special Interest Group (SIG). Thousandsmore companies have joined and are committed todeveloping the Bluetooth standard.
  • Why is it Called Bluetooth? The name "Bluetooth" is taken from the 10th centuryDanish King, Harald Bluetooth. King Bluetooth hadbeen influential in uniting Scandinavian Europeduring an era when the region was torn apart bywars. The Bluetooth SIG felt the name was fitting,seeing how the technology is designed to allowcooperation between differing industries such as themobile phone, computing and automotive markets.Bluetooth is a single standard that unites andsimplifies multiple forms of communication used bymultiple different devices.
  • VERSIONS OF BLUETOOTHVersion Data RateVersion 1.2 1 Mbit/sVersion 2.0 3 Mbit/sWiMedia Alliance53 - 480 Mbit/s
  • How Bluetooth Technology WorksConnecting DevicesQ: Will the devicescommunicate via wires orthrough the air?Q: How will messages orinformation be sentbetween the two devices?Q: How will they know if theyreceived the samemessage that was sent?
  • What is the Range of Bluetooth?Class Signal Strength RangeClass11 milliwatt Up to 33 feet (10meters)Class210 milliwatts Up to 33 feet (10meters)Class3100 milliwatts Up to 328 feet (100meters)
  • How Secure are Bluetooth Networks?Bluetooth utilizes two types of security measures. First, Bluetooth usesfrequencyhopping (1600 hops/sec), which is added protection againsteavesdropping. Next, there is built-in security at the physical layer.This feature allows one-way, two-way, or no authentication through theuse of PINs.Security setup and key management are done by the software layers.This allows the user to set the security requirements as needed. Usersare in control of the relationships between Bluetooth devices andnetworks.For Example: you will be able to allow your roommates computer toconnect to your Bluetooth printer, but you can also prevent him fromaccessing your MP3 player.
  • What Kind of Devices Use Bluetooth? Many devices use Bluetoothtechnology today. It iscommonly used incomputers, cell phones, MP3players, printers, keyboardsand mice, GPS receivers,phone and computerheadsets, and many more.As Bluetooth technologycontinues to grow, so will thenumber of devices that useit.
  • The Advantages of BluetoothMain Reasons to Use a Bluetooth Device: Bluetooth Devices are Wireless. Bluetooth Technology is Inexpensive. Bluetooth is Automatic. Standardized Protocol = Interoperability Low Interference Low Energy Consumption Instant Personal Area Network (PAN) Upgradeable
  • Limitations of BluetoothThere are two main limitations of the currentBluetooth wireless standard: Slow transfer rate Susceptibility to interference
  • The future of Bluetooth Bluetooth 3.0Its FASTPicture this...High bandwidth mitigates interferenceBackwards compatibility
  • THANKSANY QUERY