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Shifting Network Tomography Toward A Practical Goal

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A Granular Model of Equiaxed Mushy Zones: Formation of a Coherent Solid and Localization of Feeding

Michel Rappaz, Stéphane Vernède

The gradual transformation of a mushy zone during alloy solidification, from a continuous liquid film network to a fully coherent solid, has been simulated using a granular model. Based on a Voronoi tessellation of a random set of nucleation centers, solid ...

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Using End-to-End Data to Infer Lossy Links in Sensor Networks

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Compared to wired networks, sensor networks pose two additional challenges for monitoring functions: they support much less probing traffic, and they change their routing topologies much more frequently. We propose therefore to use only end-to-end applicat ...

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An improved approximation algorithm for virtual private network design

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Virtual private network design deals with the reservation of capacities in a network, such that the nodes can share communication. Each node in the network has associated upper bounds on the amount of flow that it can send to the network and receive from t ...

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A statistical physics perspective of complex networks: from the architecture of the Internet and the brain to the spreading of an epidemic Statistical physics has revealed itself as the ideal framework to describe large networks appearing in a variety of d ...

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Synchronizing Method for Impulse Radio Network

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In IR (Impulse Radio) network, the conventional synchronization (also called signal acquisition) method becomes inefficient and results in a certain failure of synchronization when concurrent transmissions are allowed without controlling their powers. The ...

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Synchronizing Method for Impulse Radio Network

Jean-Yves Le Boudec, Alaeddine El Fawal

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We consider the problem of bootstrapping self-organized mobile ad hoc networks (MANET), i.e. reliably determining in a distributed and self- organized manner the services to be offered by each node when neither the identity nor the number of the nodes in t ...

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Connectivity vs Capacity in Dense Ad Hoc Networks

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We study the connectivity and capacity of finite area ad hoc wireless networks, with an increasing number of nodes (dense networks). We find that the properties of the network strongly depend on the shape of the attenuation function. For power law attenuat ...

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Network structures from selection principles

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Analysis of a class of models was performed in which the key selection criterion for network topology is optimality. Optimality leads to the emergence of several distinct network structures including an apparent scale-free arrangement in the treelike topol ...

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Self Organized Terminode Routing

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We consider the problem of routing in a wide area mobile ad-hoc network called Terminode Network. Routing in this network is designed with the following objectives. First, it should scale well in terms of the number of nodes and geographical coverage ...

2002