“WiMAX”: Promising Wireless Technology to Make Internet Access Decelerates a Thing of the Past

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Amir Hossein Dehghan

Abstract

New and increasingly advanced data services are driving up wireless traffic, which is being further boosted by growth in voice
applications in advanced market segments as the migration from fixed to mobile voice continues. This is already putting pressure on some
networks and may be leading to difficulties in maintaining acceptable levels of service to subscribers.
For the past few decades the lower band width applications are growing but the growth of broad band data applications is slow. Hence we
require technology which helps in the growth of the broad band data applications. WiMAX is such a technology which helps in point-tomultipoint
broadband wireless access without the need of direct line of sight connectivity with base station.
This paper explains about the WiMAX technology, its additional features in physical layer and MAC layer and the benefits of each feature.
This paper focuses on the major technical comparisons (like QOS and coverage) between WiMAX and other technologies. It also explains about
the ability of the WiMAX to provide efficient service in multipath environment.

 

 

 

Keywords: WiMax, QoS, DSL, OFDM, OFDMA, MAN, LOS, NLOS, CDMA

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