QoE-Based Selection Mechanism for Heterogeneous Networks with Multimedia Traffic

• Gracieth M. Valenzuela UFPE
• Isac Ferreira UFPE
• Kelvin L. Dias UFPE
• Paulo Cunha UFPE

Abstract

The increasing popularity of wireless networks such as Wi-Fi and WiMAX brings the need to promote a convergence of these technologies, in order to offer many opportunities for connectivity and the possibility of a seamless communication. In this context, this research aims to propose a mechanism for network selection based on the QoE - Quality of Experience. By extracting the collected results from simulations in Network Simulator (ns-2), we built a database of historical PSNR values, which is queried by the mobile node for the handover decision, with the help of the IEEE 802.21 protocol. Results show that QoE-based handover decisions achieve an increase of 15% on video quality.

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