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1 Orange Labs Lannion 2 DIONYSOS - Dependability Interoperability and perfOrmance aNalYsiS Of networkS Inria Rennes – Bretagne Atlantique , IRISA D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES 3 SRCD - Département Systèmes Réseaux, Cybersécurité et Droit du numérique 4 ADOPNET - Advanced technologies for operated networks UR1 - Université de Rennes 1, IMT Atlantique - IMT Atlantique Bretagne-Pays de la Loire, IRISA D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES

Abstract : Downlink data rates can vary significantly in cellular networks, with a potentially non-negligible effect on the user experience. Content providers address this problem by using different representations e.g., picture resolution, video resolution and rate of the same content and switch among these based on measurements collected during the connection. If it were possible to know the achievable data rate before the connection establishment, content providers could choose the most appropriate representation from the very beginning. We have conducted a measurement campaign involving 60 users connected to a production network in France, to determine whether it is possible to predict the achievable data rate using measurements collected, before establishing the connection to the content provider, on the operator-s network and on the mobile node. We show that it is indeed possible to exploit these measurements to predict, with a reasonable accuracy, the achievable data rate.

Autor: Alassane Samba - Yann Busnel - Alberto Blanc - Philippe Dooze - Gwendal Simon -



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