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Mobile computing in next generation wireless networks

In this paper, we attempt to describe the evolving status of wireless communications and its impact on the future of mobile computing. We present a historical perspective and elucidate the technical challenges facing mobile computing in the next generation of wireless networks. Next generation wireless includes the cellular evolution towards third generation systems (W-CDMA, cdma2000, etc.) and the proliferation of high-speed wireless indoor office networks. From global roaming to innovative applications, the next generation of wireless communications promises to enable a level of mobile data connectivity and capability that is unprecedented. However, many challenges concerning network and terminal designs remain. While more information is being placed on internal corporate web sites, high-speed web access will also be a fundamental tool for the mobile professional. Web access grows at an alarming rate, driving data traffic to roughly double every two years. Market penetration of Internet users stands at 40% in the US and is growing. Perhaps one of the only things to keep pace with the alarming growth of the Internet is the growth of the mobile communications market. Specifically, wireless data subscriptions are expected to increase thirteen-fold by the year 2003 to 36 million customers [3]. It is only natural that these two burgeoning facets of communications will begin to come together.