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Communication Dans Un Congrès Année : 2014

Optimizing Network Information for Radio Access Technology Selection

Résumé

The rapid proliferation of radio access technologies (e.g., HSPA, LTE, WiFi and WiMAX) may be turned into advantage. When their radio resources are jointly managed, heterogeneous networks inevitably enhance resource utilization and user experience. In this context, we tackle the Radio Access Technology (RAT) selection and propose a hybrid decision framework that integrates operator objectives and user preferences. Mobile users are assisted in their decisions by the network that broadcasts cost and QoS parameters. By signaling appropriate decisional information, the network tries to globally control users decision in a way to meet operator objectives. Besides, mobiles combine their needs and preferences with the signaled network information, and select their access technology so as to maximize their own utility. Deriving network information is formulated as a Semi-Markov Decision Process (SMDP). We show how to dynamically optimize long-term network reward, aligning with user preferences. Index Terms—Radio access technology selection, Semi-Markov Decision Process, hybrid decision-making approach.
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Dates et versions

hal-01182886 , version 1 (05-08-2015)

Identifiants

Citer

Melhem El Helou, Marc Ibrahim, Samer Lahoud, Kinda Khawam. Optimizing Network Information for Radio Access Technology Selection. IEEE Symposium on Computers and Communications - ISCC 2014, Jun 2014, Madeira, Portugal. ⟨10.1109/ISCC.2014.6912591⟩. ⟨hal-01182886⟩
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