Bluetooth Technology!!




“BLUETOOTH TECHNOLOGY”

Bluetooth is a low-power, low cost and short-range wireless technology. It was originally developed by Ericsson for short-range communication between personal devices e.g. a cell phone and a computer or other devices. The distance of data transmission is small in comparison to other modes of wireless communication (mostly 5-10 mtrs.).

Working:
  • A Bluetooth device is comprised of an adapter.
  • Link Management Protocol (LMP) is responsible for peer– to –peer message exchange when the electronic devices interfere in each other’s radio range.
  • The Bluetooth device enabled by the Service delivery protocol joins the piconet and enquires with all the services available. The concept of Master and Slave is used in the Bluetooth technology. Only after the master takes the initial action, the devices can begin to talk. Bluetooth Global-lD is exchanged among the electronic devices and a connection is build up after the profiles are matched.


Features:
  • Fewer complications.
  • Cord-free connections
  • Less power consumption.
  • Cheaper rates.
  • Robustness.
  • Easy Automatic Synchronization.
  • The newer versions of Bluetooth offer better and increased security.

Applications:
·         Wireless communication with PC input and output devices (such as mouse, keyboard and printer). 
·         The easy transfer of files, images and MP3, between two Bluetooth devices e.g. mobile phones.
·         Removal of traditional wires in test equipments, bar code scanners, traffic control devices, GPS receivers and medical equipment is a revolutionary change.
·         Bluetooth enabled advertising hoardings can receive and display the smaller advertisements by using this technology.
·         PDA, PC or laptop which has enabled Bluetooth can communicate with each other and update with its latest information. This technology has helped in synchronizing the data easily.

Problems:
Just like any other technology, Bluetooth does have certain issues, such as:
  • Unsuccessful Pairing.
  • Short Area Coverage (mostly 5–10 mtrs.).
  • Health concerns, but are considered less of a potential hazard than mobile phones.                                                                                


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