Analysis of the Failure Tolerance of Linear Access Networks

Frédéric Giroire 1, 2 Juan-Carlos Maureira 3
2 COATI - Combinatorics, Optimization and Algorithms for Telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : In this paper, we study the disconnection of a moving vehicle from a linear access network composed by cheap WiFi Access Points in the context of the telecommuting in massive transportation systems. In concrete, we analyze the probability for a user to experience a disconnection longer than a given time interval (t *) such that all ongoing communications between the vehicle and the infrastructure network are disrupted. We provide an approximation formula considering two scenarios (intercity bus and train). We then carry out a sensitivity analysis and supply a guide for operators when choosing the parameters of the networks. Last, we show that such systems are viable, as they attain a very low probability of long disconnections with a very low maintenance cost.
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Frédéric Giroire, Juan-Carlos Maureira. Analysis of the Failure Tolerance of Linear Access Networks. IEEE Transactions on Intelligent Transportation Systems, IEEE, 2017, pp.1 - 10. ⟨10.1109/TITS.2017.2718737⟩. ⟨hal-01633813⟩

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