Introduction to Wireless Fidelity Seminar Topic:
Wi-Fi is the buzz word in internet connectivity world. Wi-Fi stands for wireless fidelity; it’s a radio technology using which computers can access internet without any wires. We can also at times call it as wireless LAN because it is based on same standard of IEEE 802.11 specifications.
It operates just like any wired network but without any wires. This gives the flexibility of internet connectivity while the user is moving. Wi-Fi technology can be termed as the best compared to Bluetooth and 3G technologies. To develop Wi-Fi technology further in future a group of working companies had formed for setting the standards of working.
The main components of Wi-Fi are stations, AP’s, nodes. Any system that is equipped with wireless network device is called as station. An AP is one which bridges between wired network and a station. A channel of a device which helps in one-to-one connection is a port.
Industry standard in wireless fidelity is use of radio frequency. The advantages of RF is it can travel to longer distances without getting week and even if obstructions come such as wall it passes through them.
If we want to design a Wi-Fi we need to have knowledge on the characteristics of RF such as Reflection, Absorption, Geometric spreading loss, path loss, multi-path, low frequencies and high frequencies and how it works.
Wi-Fi is vastly used in homes, areas where public gathering is more such as airports, railway stations etc and in businesses of both large and small.
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