GREEN UNIVERSITY OF BANGLADESHDepartment: EEE (Eve)

Prepared By:

Shahida AkterID# 143010003

Course Title: Communication Theory

Prepared For:

Md. Khairul BasharLecturer, GUB

DefinitionWiFi is the a short word for Wireless Fidelity. WiFi is a wireless networking technology that allows electronics devices to communicate over a wireless signal. Basically Wi-Fi is a high frequency radio signal because the same way radios can tune into a radio station signal over the air waves a device can pick up a signal that comes through the air and connects to the internet..

Who Invented WiFi ?WiFi was invented in 1991 by 5 men.

• Terence Percival

• John Deane

• John O’Sullivan

• Graham Daniels

• Diethelm Ostry

Dr. John O’Sullivan was the head of the group.

WiFi Today

Now we have WiFi, it’s sometimes harder to think what we can’t do, rather than what we can. With WiFi we have the internet instantly at our fingertips, as long as we have a smartphone, mobile device or laptop close to hand.

WiFi Used at Various Places

WiFi provides service in private homes, businesses, as well as in public spaces at WiFi hotspots set up either free-of-charge or commercially, often using a captive portal webpage for access.

Organizations and businesses, such as airports, hotels, and restaurants, often provide free-use hotspots to attract customers.

WiFi in House

Applications of WiFi Sync Your Music Library, Photo Library, or Other Files with Your Smartphone USB-Free

Wirelessly Transfer Photos from Your Digital Camera

Share Files with Nearby Computers

Stream Movies to Any TV in the House