Introduction to Wi-Max Seminar Topic:
The need of the hour is high speed internet provided by both broadband and wireless. Wi-Max technology paves way for wireless access to broadband internet. Because of broadband being expensive and limited to certain areas and Wi-Fi’s small hot spots technocrats are moving to Wi-Max in a big way.
Wi-Max stands for Worldwide Interoperability for Microwave Access and IEEE standardized it by 801.16. Unlike Wi-Fi the Wi-Max covers an area up to 50 Km. It can provide data rate of 70 Mbps which can service few hundred homes with broadband internet. Just like migrated from landlines to mobiles it’s a matter of time people migrates from cable, DSL internet to Wi-Max. Wi-Max provides universal internet access because its architecture of point to multipoint way can reach to places where wired internet cannot. It can be bridged with wireless LAN.
Wi-Max system is made of two important parts Wi-Max Tower and Wi-Max Receiver. Wi-Max tower is just like a mobile tower which covers around 80 Sq.Km. Wi-Max receiver is just like a Wi-Fi access point.
Working: – A Wi-Max tower can be directly connected to high bandwidth internet using T3 line and two Wi-Max towers can be connected using line of sight microwave link. Each tower can cover an area of 30 Sq.miles and provide broadband connectivity. A receiver can be connected to the tower using non-line of sight similar to Wi-Fi sort of service that can be operated at lower frequencies or through a line of sight where higher speeds can be achieved because its operated at higher frequencies.
IEEE 802.16 specifications are range of 30 miles from tower, speed of 70 Mbps, non line of sight connectivity, dual frequency bands of w-11 Ghz and 10 to 66 Ghz, both MAC and PHY layers are defined and permits multiple PHY layer specifications.
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