MIGRATION TO 4G- ìUBIQUITOUS BROADBANDî ECONOMIC MODELING OF WI-FI WITH WIMAX

Abstract: There are several ways by which a WISP (Wireless Internet Service Provider) can deliver broadband service. However, the service offered should be affordable to all classes of the society. There are numerous broadband business models proposed. It is necessary to figure out the profitable business case that best fit the WISP. We have no hesitation to say that Wi-Fi with WiMAX can be called as migration path to 4G when both are viewed as complementary to one another. It also has the potential to compete on a cost-per-megabyte level with both cable and DSL, and offer a cost effective solution. If engineering and economics is rightfully applied, a Wi-Fi network can be built around an entire city, instead of providing limited coverage at the hotspots. This paper focuses on the economic modeling of how to fit Wi-Fi hot zones into WiMAX infrastructure mesh and also addresses Voice over Wi-Fi (VoWi-Fi).
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Vinoth Gunasekaran, Dr. Fotios C. Harmantzis, Stevens Institute of Technology Telecommunications Management Castle Point on Hudson Hoboken, NJ 07030, USA {vgunasek, fharmant} @stevens.edu

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Interoperability in Future Wireless Communications Systems: A Roadmap to 4G

Abstract – Future generation communication systems will provide transparent and seamless user roaming with end-to-end QoS guarantees. As a result, the interoperability of various communicating platforms emerges as a crucial necessity. This paper gives an overview of the major 4G features and explains the significance of the network interoperability aspect and its role in the development towards the 4G paradigm.
Keywords – Interoperability, Reconfigurability, Wireless Systems, 4G.
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Liljana M. Gavrilovska and Vladimir M. Atanasovski are with the Faculty of Electrical Engineering and Information Technologies, University “Ss Cyril and Methodius”, Karpos 2 bb, 1000 Skopje, Macedonia, E-mail: liljana@feit.ukim.edu.mk, vladimir@feit.ukim.edu.mk

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