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Control of performance in mobile networks in the presence of user impatience

Abstract : We study in this work user impatience by adopting a realistic realization: a user gets impatient when its throughput falls below a certain threshold for a given patience duration. We model such a behavior in a cellular network, transporting elastic flows, for a realistic user configuration with random arrivals, following a Poisson process, and departure after a finite duration, either upon transfer completion or because of impatience. We derive several performance metrics, pertaining to the probability of abandoning the transfer as well as transport efficiency in terms of traffic efficiently transported until service completion versus wasted resources because of abandonment. We further implement a control mechanism using two approaches: a preventive one, based on blocking of users when their number exceeds a certain threshold, and a reactive one, based on dropping of users when the network experiences congestion, and show how the system performance gets enhanced in both cases
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https://hal.archives-ouvertes.fr/hal-01493179
Contributor : Médiathèque Télécom Sudparis & Institut Mines-Télécom Business School <>
Submitted on : Tuesday, March 21, 2017 - 10:12:25 AM
Last modification on : Monday, August 24, 2020 - 4:16:07 PM

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Amal Abdel Razzac, Tijani Chahed, Salah-Eddine Elayoubi. Control of performance in mobile networks in the presence of user impatience. VTC FALL 2016 : 84th Vehicular Technology Conference, Sep 2016, Montreal, Canada. pp.1 - 7, ⟨10.1109/VTCFall.2016.7880939⟩. ⟨hal-01493179⟩

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