Introduction to Technical Seminar Topic on Wi Max:

It is the wireless broadband network. There are many types of broadband service available like fixed line broadband that are wireless service and they are called as fixed line broadband. Next broadband was mobile broadband that have additional features and more portable. And the next and the advanced broadband service that comes was mixture of both mobile and fixed line broadband that is Wi-Max. It is based on the microwave technology. This technology is based on the four parts or stages:

First generation:in this cables and DSL are used for wireless systems and they have frequency range between 2.5GHz to 3.5 GHz. They are very high speed systems and can support more than 100 megabytes speed. They are fixed wireless communication.

Second generation: they are used to provide more capacity than the previous generation. In this more advanced signal processing is used and better antennas were used.

A MAN network is also developed in 1998 by IEEE named as 802.16. This network was developed for metropolitan area. They have the bandwidth of 10GHz to 66GHz. They used single carrier modulation and TDM.

Wi-Max features: they provide very high speed data transfer. They are mobile means can be anywhere. Provide best quality of the service. They are secure and their architecture is based on the IP. Advanced antennas are used for the communications. Resources are allocated to the every user separately. Bandwidth they use can be changed according to the requirement.

Architecture: they use IP based network so as to keep security. Different mobile station is developed to provide the network. Access networks are used that have more than one station and gateways to have complete network access. Connectivity network is also used which provide the IP connectivity and IP network functions.

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