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JCM
2006
13 years 5 months ago
2006
Abstract-- Future generations of wireless systems require opportunistic spectrum access techniques to effectively detect and access temporarily unused spectrum bands. Cognitive rad...
JCM
2006
13 years 5 months ago
2006
In distributed admission control (AC) schemes, handling concurrent AC decisions assumes a relevant role in avoiding over or false acceptance and, consequently, service quality degr...
JCM
2006
13 years 5 months ago
2006
Multicast tree aggregation is a technique that reduces the control overhead and the number of states induced by multicast. The main idea of this protocol is to route several groups...
JCM
2006
13 years 5 months ago
2006
In this study we propose a new architecture named VIP (VHE in mobile IP networks) which guarantees authorized user access and user mobility management. The main goal is to bring th...
JCM
2010
13 years 4 months ago
2010
— This paper presents a resource-efficient protocol for opportunistic routing in delay-tolerant networks (DTN). First, our approach exploits the context of mobile nodes (speed, ...