Parcourir par auteur "Toumpis, S."
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Efficient file replication in large wireless networks with dynamic popularity
Gitzenis, S.; Toumpis, S.; Tassiulas, L. (2014)We investigate the problem of replication in large wireless networks that employ caching in the case of a single file whose popularity varies with time. As opposed to the case of static popularity, in this case for the ... -
Load balancing in wireless sensor networks using kirchhoff's voltage law
Toumpis, S.; Gitzenis, S. (2009)We study load balancing in wireless networks with a single class of traffic, focusing our attention on an important example, i.e., Wireless Sensor Networks. The analysis is based on the Wireless Minimum Cost Problem, an ... -
Optimal deployment of large wireless sensor networks
Toumpis, S.; Tassiulas, L. (2006)A spatially distributed set of sources is creating data that must be delivered to a spatially distributed set of sinks. A network of wireless nodes is responsible for sensing the data at the sources, transporting them over ... -
Packetostatics: Deployment of massively dense sensor networks as an electrostatics problem
Toumpis, S.; Tassiulas, L. (2005)We investigate the spatial distribution of wireless nodes that can transport a given volume of traffic in a sensor network, while requiring the minimum number of wireless nodes. The traffic is created at a spatially ...