Opportunistic frameworks for radio resource management

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Wireless Internet users are now interested in more than downloading and uploading photos and videos, and interacting through live feeds and games. Emerging services are also enabling remote patient monitoring, smarter electric power consumption and safer and more enjoyable driving experiences. To accommodate this increasing demand, network operators will shortly deploy new "connectivity options" that include the use of different radio technologies, wireless relay stations, femtocells (at-home base stations) and spectrum trading. These options promise reduction in operation costs and improved user experience. However, mechanisms are still needed to realize the full potential of this heterogeneity and adapt to their volatile availability and quality.