31-03-2010, 11:06 PM
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A SEMINAR ON BLUETOOTH TECHNOLOGY
This article is presented by:
Vara lakshmi.D
ABSTRACT
Bluetoothâ„¢s wireless technology allows users to make effortless, wireless and instant connections between various communication devices, such as mobile phones and desktop and notebook computers. It delivers opportunities for rapid, ad-hoc, possibly unconscious and automatic connections between devices.
A Bluetooth chip is designed to replace cables by taking the information normally carried by the cable, and transmitting it at a special frequency to a receiver Bluetooth chip, which will then give the information received to its host device.
A Bluetooth radio is built into a small microchip and operates in a globally available frequency band ensuring communication compatibility worldwide. The Sophisticated mode of transmission adopted in the Bluetooth specification ensures protection from interference and security of data.
INTRODUCTION
Wireless LANs are the hot new enterprise technology that every one is talking about and considering implementing in varying degrees for vertical markets like medical, education and manufacturing.
Before delving straight into the details of wireless LAN standards letâ„¢s take a look at technologies that make it possible for a wireless LAN to operate. These technologies are
Radio frequency systems
Infrared systems
Spread spectrum implementation
Frequency Hopping Speed Spectrum
Direct Sequence Speed Spectrum
Some of the wireless standards now available in the market are
IEEE 802.11
HIPER LAN2
BLUE TOOT
HOME RF
Before delving straight into the details of wireless LAN standards letâ„¢s take a look at technologies that make it possible for a wireless LAN to operate. These technologies are
Radio frequency systems
Infrared systems
Spread spectrum implementation
Frequency Hopping Speed Spectrum
Direct Sequence Speed Spectrum
Some of the wireless standards now available in the market are
IEEE 802.11
HIPER LAN2
BLUE TOOT
HOME RF