A Quality of Experience Handover System for Heterogeneous Multimedia Wireless Networks

Authors

Eduardo Cerqueira
Carlos Quadros
Augusto J. V. Neto
André Figueira Riker
Roger Kreutz Immich
Marilia Curado
Antonio Pescapé

Abstract

The convergence of emerging real-time multimedia services, the increasing coverage of high-speed wireless networks and the ever-growing popularity of mobile devices are leading to an era of user-centric multimedia wireless services. In this scenario, heterogeneous mobile communications will co-exist and ensure that the end-user is always best connected. However, the Quality of Experience (QoE) support for 2D or 3D video applications in multi-operator environments remains a significant challenge and is crucial for the success of wireless multimedia systems. This paper proposes a Quality of Experience Handover Architecture for Converged Heterogeneous Wireless Networks, called QoEHand. QoEHand extends the Media Independent Handover (MIH)/IEEE 802.21 proposal with QoE-awareness seamless mobility, video quality estimator, dynamic class of service mapping and a set of content adaptation schemes. The proposed solution allows the best connection and considers the QoE needs of mobile clients and available wireless resources in IEEE 802.11e and IEEE 802.16e service classes. Simulation experiments were carried out to show the impact and benefits of QoEHand on the user´s perception, by using objective and subjective QoE metrics.

Keywords

Multimedia, MIH, QoE, heterogeneous networks

Conference

International Conference on Computing, Networking and Communications (ICNC), January 2013

DOI

Cited by

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Year 2013 : 1 citations

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