Soutenance : Habilitation \u00e0 Diriger des Recherches de Monsieur Badii JOUABER – Ma\u00eetre de conf\u00e9rences<\/p>\n
D\u00e9partement R\u00e9seaux et Services Multim\u00e9dia Mobiles – T\u00e9l\u00e9com SudParis<\/p>\n
– Mercredi 26 juin 2019 \u00e0 14h00
\n– T\u00e9l\u00e9com SudParis – Amphi 11<\/p>\n
\u00ab\u00a0Cross Layer Optimizations for Wireless Networks: Applications to QoS, Mobility Management and Energy Efficiency\u00a0\u00bb<\/p>\n
Composition du jury : <\/strong> <\/p>\n – Guy PUJOLLE, Professeur – Sorbonne Universit\u00e9 Abstract:<\/strong><\/p>\n This presentation will focus on our contributions regarding cross-layer optimization applied to medium access, resource allocation, Quality of Service (QoS), routing and mobility management over wireless networks.<\/p>\n The rapid growth and development of wireless technologies is a very fertile ecosystem for the emergence of new services and applications. A large set of networking solutions is available nowadays allowing the enhancement and the development of new services, for both professional and public sectors.<\/p>\n However, this rich context, gets along with a complex environment composed of heterogeneous interconnected systems, each of them being more or less adapted to specific services. For instance, different cellular network technologies are coexisting today, ranging from 2G to 4G and shortly 5G systems. The selection of the most appropriate access technology and possible service adaptations to deliver the most appropriate QoS depend on user\u2019s context. This latter consists in a set of parameters that include, and not limited to, the required services and QoS levels, terminal capabilities, mobility pattern, radio conditions for each access technology as well as energy availability. In addition, network selection can be made per flow, at initial access or while moving (Vertical Handover). Within the heterogeneous radio environment, mobility management and decision-making, become complex processes that require gathering a large number of parameters and measurement from the different layers and entities of the environment. It follows that traditional optimization approaches based on layered models, where stringent separation between the different networking function are no more suitable. New architectures and approaches allowing more interactions and cooperation among networks and network entities are also required.<\/p>\n Although cross-layer optimization approaches are promising, one should be careful regarding their complexity and feasibility over real systems. For instance, parameters and measurements that can be gathered from different network entities or layers for decision-making can be manifold. Their number may be very large and these may have different time scales and may not be available at any time.<\/p>\n In this presentation, we mainly focus on cross layer optimization for performance issues over wireless networking systems. We were mainly interested in mobility management (as described above), routing, multicast services and energy efficiency over wireless sensor networks. Different approaches are applied or combined for multi-criteria optimization, including Game Theory and Fuzzy Logic.<\/p>\n","protected":false},"excerpt":{"rendered":" Soutenance : Habilitation \u00e0 Diriger des Recherches de Monsieur Badii JOUABER – Ma\u00eetre de conf\u00e9rences D\u00e9partement R\u00e9seaux et Services Multim\u00e9dia Mobiles – T\u00e9l\u00e9com SudParis – Mercredi 26 juin 2019 \u00e0 14h00 – T\u00e9l\u00e9com SudParis – Amphi 11 \u00ab\u00a0Cross Layer Optimizations for Wireless Networks: Applications to QoS, Mobility Management and Energy Efficiency\u00a0\u00bb Composition du jury : 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\n– Pascal LORENZ Pascal, Professeur – Universit\u00e9 de Haute-Alsace
\n– Yacine GHAMRI-DOUDANE, Professeur – Universit\u00e9 de La Rochelle
\n– V\u00e9ronique VEQUE, Professeure – Universit\u00e9 Paris-Sud
\n– Antonella MOLINARO , Professeure associ\u00e9e – Universit\u00e0 Mediterranea di Reggio Calabria, Italie
\n– Khaldoun AL AGHA, Professeur – Universit\u00e9 Paris-Sud<\/p>\n