Analysis of IEEE 802.11 (Wi-Fi)

Abstract

Wireless Fidelity (Wi-Fi) is a technology that allows electronic devices to connect to a wireless LAN (WLAN) network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands. A WLAN is usually password protected, but may be open, which allows any device within its range to access the resources of the WLAN network. Devices which can use Wi-Fi technology include personal computers, video-game consoles, smartphones, digital cameras, tablet computers, digital audio players and modern printers. Wi-Fi is less secure than wired connections, such as Ethernet, precisely because an intruder does not need a physical connection. It follows the four layer TCP architecture and it has made remote locations more accessible and dropped costs.