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As wireless connectivity is integrated into many handheld devices, streaming multimedia content among mobile ad-hoc peers is becoming a popular application. In this paper, we propose a dynamic service replication algorithm for providing guaranteed continuous streaming services to all nodes in mobile ad-hoc networks (MANETs). First, a MANET is comprised of logical grid hierarchy, and a streaming service...
Location based services (LBS) are expected to play crucial role in future of e-commerce. Although, LBS consider service provision on the basis of location, but don't take into consideration time aspect and user's interests. We propose incorporation of time-awareness and demand-oriented contexts along with location to develop idea of community pervasive services (CPS).To identify appropriate service...
In a structured peer-to-peer (P2P) overlay network, the stability of the entire network will be greatly affected by simultaneous join-in and drop-out of large amount of nodes. Aiming at reducing the overhead of handling this activity, we propose a group-based hierarchically structured overlay network, GSON. GSON is also a structured P2P overlay network using distributed hash table (DHT). In GSON,...
We integrate fundamental principles from formal mathematics, engineering, and information sciences to develop novel distributed sensor-based networks for management of the environment and the natural ecosystem. More precisely, we are developing ENVNET - ENVironmental sensor NETwork, a cognitive wireless sensor network to proactively collect information, monitor, and control the health of our natural...
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