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In this paper we discuss the viability of utility-based abstractions for network management. These can be used for estimation and optimization of the network performance. We consider utilities that are determined by the application type, but also take into account changing user and provider context. These metrics incorporate technical performance characteristics, economic and personal considerations...
Cognitive Radios have emerged as one the most promising methods to increase wireless system efficiency through dynamic spectrum access combined with other cross-layer optimization methods. Most of the research prototypes and demonstrations have so far focused on either general platforms or scenarios that are predominantly taken from military or emergency communications domain. In this demonstration...
The increasing diversity of applications as well as the introduction of new wireless last-mile techniques imposes additional challenges on both terminals and entire networks. A user- and application-centric approach to networking is expected result in better user satisfaction and allow for new market opportunities for network infrastructure providers. However, this architectural view leads to increased...
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