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Association des utilisateurs dans les réseaux mobiles flexibles et agiles

Romain Pujol 1, 2 
2 AGORA - AlGorithmes et Optimisation pour Réseaux Autonomes
CITI - CITI Centre of Innovation in Telecommunications and Integration of services, Inria Lyon
Abstract : The user association process in cellular networks consists in choosing the base station with which the user equipment will negotiate radio resources. The current association is based on measuring the signal strength received by the user equipment from each of the base stations. The association must now deal with the diversification of user application needs and the growing heterogeneity of cellular networks. In this thesis, we show experimentally that the current association process has reached its limits, that it is agnostic of the configurations of the base stations and that it does not allow to control the throughput that the user equipment will obtain following the association. We set up for the realization of our measurements an experimental platform based on the software suite of cellular networks srsRAN and software radios USRP NI-2091. We propose in this thesis a new metric to be used during the association process. This metric, broadcasted by the base station, is a load information which in our case will be represented by the number of user equipment connected to the base station. We also discuss other metrics that can be used as load information. We show, once again experimentally, by modifying the source code of the srsRAN software suite ourselves, that if the user equipment takes this load information into account in the association process, the association decision is improved in 22% of cases.
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Submitted on : Friday, November 18, 2022 - 11:36:34 AM
Last modification on : Saturday, November 19, 2022 - 4:06:29 AM


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  • HAL Id : tel-03859479, version 1


Romain Pujol. Association des utilisateurs dans les réseaux mobiles flexibles et agiles. Réseaux et télécommunications [cs.NI]. Université de Lyon, 2022. Français. ⟨NNT : 2022LYSEI063⟩. ⟨tel-03859479⟩



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