Introduction
Bluetooth technology is a IEEE 802.15 open standard and specification that enables short range wireless connections between a multitude of wireless devices, including desktop and laptop computers, handhelds, PDAs, cell phones, camera phones, printers, digital cameras, headsets, keyboards, and even a computer mouse. More than 250 million Bluetooth devices are in operation worldwide and this number is expected to grow to more than one billion in the next two years. Currently, there are more Bluetooth devices than wireless LAN devices in use.
Bluetooth was originally architected by Ericsson
Mobile Communications, which named the technology after the 10th Century Danish Viking, King Harald Blatand, also called “Bluetooth.” Today, Bluetooth technology is supported by all major companies, including IBM, Intel, Nokia, and Toshiba.
Bluetooth is inexpensive, takes little power to operate, and maintains a low profile. The standard effectively does the following: (Christian, 2004)
- Eliminates wires and cables between stationary and mobile devices
- Facilitates data and voice communications
- Offers the possibility of ad hoc networks and delivers synchronicity between personal devices
Operating Band
Bluetooth transceivers operate in the unlicensed 2.4-GHz ISM band that is reserved for industrial, scientific, and medical applications. This band is available in most parts of the world (varies in some countries). The band is similar to the band wireless LAN devices and other IEEE 802.11-compliant devices occupy (Brent, 2001).
Benefits of Using Bluetooth
Bluetooth technology can result in increased efficiency and reduced costs. The efficiencies and cost savings are attractive for the home user and enterprise business user alike. Key benefits of Bluetooth include:
- Cable replacement for most device and peripheral interconnections, such as a mouse, keyboard, and PC
- Ease of file sharing between Bluetoothdevices, for example, a PDA can access the files of a laptop
Wireless synchronization with other Bluetooth-enabled devices, without user input (Brent, 2001)..............
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