Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
— Due to the technological evolution, context-aware computing is slowly moving from dream to reality. These applications heavily rely in sensing the user’s environment and ing ...
Abstract. The advent of digital photography calls for effective techniques for managing growing amounts of color images. Systems that only rely on low-level image features are now...
Smart devices in the ubiquitous computing environment implement service/device discovery protocol that helps discovering each other and the services provided. As client device may ...
Flat DHT architectures have been the main focus of the research on DHT design so far. However, there have been also a number of works proposing hierarchical DHT organizations and ...