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A peer to peer (P2P) computer network relies on direct connections between participants instead of conventional centralized resources. This kind of network is useful for many purposes, but its killer application nowadays is file sharing. BitTorrent is a very popular protocol for this matter.In this paper, we model a BitTorrent network as a multi-agent system. In it, each BitTorrent client is an agent...
IEEE 802.11p is a technology used for communication between cars, related to security issues, warning of incidents or mere exchange of different types of information. Future cars will have the ability to communicate to other cars and roadside data systems to spread information about congestion, road conditions and accidents. They will also access travel-related Internet services, publicity from business...
A peer to peer (P2P) computer network relies on direct connections between participants rather than conventional centralized resources. These networks are useful for many purposes, but the ldquokiller-apprdquo nowadays is file sharing. BitTorrent is a very popular protocol for this matter. In this paper we model a BitTorrent network as a multi-agent system. In it, each BitTorrent client is an agent...
C2C (car to car) technology studies the communication between cars, related to security issues, warning of incidents or mere exchange of different types of information. Future cars will have the ability to communicate to other cars and roadside data systems to spread information about congestion, road conditions and accidents. They will also access travel-related Internet services, publicity from...
Large libraries are complex organizations. Radiofrequency identification (RFID) technologies allow the deployment of advanced services like re-shelving assistance. A number of commercial solutions for libraries have recently appeared, but so far there was a lack of objective assessments of the real benefits of RFID. In this paper we present the results of the validation that was funded by the EU in...
The trend in today's modern communication satellites is driving into the direction of spot beam technologies. This allows the illumination of distinct areas of the earth surface. These areas can be close to each other in which case frequency re-use through space division multiplexing (SDM) paired with orthogonal polarization is applied, to reach beam separation. Areas can also be geographically separated...
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