Fair distributed user-traffic association in cache equipped cellular networks

Jonatan Krolikowski 1, * Anastasios Giovanidis 2 Marco Di Renzo 1
* Auteur correspondant
1 L2S - Laboratoire des signaux et systèmes
2 NPA - Networks and Performance Analysis
LIP6 - Laboratoire d'Informatique de Paris 6
Abstract : Caching of popular content on wireless nodes is recently proposed as a means to reduce congestion in the backbone of cellular networks and to improve Quality of Service. From a network point of view, the goal is to offload as many users as possible from the backbone network to the wireless caches while at the same time offering good service to cache-unrelated users. Aggressive offloading can lead to an unbalanced user association. Some wireless nodes can be overloaded by cache-related traffic while the resources of others remain underused. Given a fixed content placement, this work proposes an efficient distributed algorithm to control and balance the association of cache-related traffic among cellular cache memories. The algorithm allows the network to achieve the globally optimal solution and can be executed on base stations using a limited amount of information exchange between them. It is based on a novel algorithm we call Bucket-filling. The solution limits the cache-users per node by balancing the total load among the nodes in a fair way. The improvement compared to common user assignment policies is highlighted for single- as well as for multi-tier random networks.
Keywords : Network Utility Maximization Optimisation algorithm Fairness assumptions Cache management Routing Protocol Routing policy Cache Memory
Type de document :
Communication dans un congrès
WIOPT'17 - 2nd Content Caching and Delivery in Wireless Networks Workshop (CCDWN 2017), May 2017, Paris, France. Proceedings of 15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, Telecom ParisTech, Paris, France, 15th - 19th May, 2017, 2017, <10.23919/WIOPT.2017.7959862>
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Contributeur : Jonatan Krolikowski <>
Soumis le : vendredi 10 février 2017 - 19:37:51
Dernière modification le : dimanche 2 juillet 2017 - 01:07:45
Document(s) archivé(s) le : jeudi 11 mai 2017 - 16:26:03

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INSMI | UPMC | TDS-MACS | L2S | LIP6 | CENTRALESUPELEC | SUP_LSS | UNIV-PARIS-SACLAY

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Jonatan Krolikowski, Anastasios Giovanidis, Marco Di Renzo. Fair distributed user-traffic association in cache equipped cellular networks. WIOPT'17 - 2nd Content Caching and Delivery in Wireless Networks Workshop (CCDWN 2017), May 2017, Paris, France. Proceedings of 15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, Telecom ParisTech, Paris, France, 15th - 19th May, 2017, 2017, <10.23919/WIOPT.2017.7959862>. <hal-01380689v3>

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