Future Wireless Communication Networks

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Wireless communication networks have revolutionized our modes of communications, information retrieval and distribution, entertainment and social interaction. To-day, the number of cellular telephone subscribers worldwide exceed five billion and industry revenues are in the one trillion dollars range. Rapid traffic growth in the coming years will be driven by new applications such as mobile web-browsing, video streaming, multi-player online e-games and social media. The design and operation of a network to support such a wide range of applications in a resource-efficient manner is a daunting challenge. There are also many other alternative/complementary wireless products and services. These include local area networks, personal area networks, metropolitan area networks and regional area networks. This wide choice caters to the individual needs of different applications and deployment scenarios. Wireless networks are envisioned to play important roles in many new exciting applications such as personalized health delivery, telemedicine and real-time location- and context-aware services.