Optimising QoE for Scalable Video multicast over WLAN

Kamal Deep Singh 1 Kandaraj Piamrat 2 Hyunhee Park 2 César Viho 2 Jean-Marie Bonnin 1, 3
2 DIONYSOS - Dependability Interoperability and perfOrmance aNalYsiS Of networkS
Inria Rennes – Bretagne Atlantique , IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
3 OCIF - Objets communicants pour l'Internet du futur
Télécom Bretagne, IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
Abstract : Quality of Experience (QoE) is the key to success for multimedia applications and perceptual video quality is one of the important component of QoE. A recent video encoding scheme called Scalable Video Coding (SVC) provides the flexibility and the capability to adapt the video quality to varying network conditions and heterogeneous users. In this paper, we focus on SVC multicast over IEEE 802.11 networks. Traditionally, multicast uses the lowest modulation resulting in a video with only base quality even for users with good channel conditions. To optimize QoE, we propose to use multiple multicast sessions with different transmission rates for different SVC layers. The goal is to provide at least the multicast session with acceptable quality to users with bad channel conditions and to provide additional multicast sessions having SVC enhancement layers to users with better channel conditions. The selection of modulation rate for each SVC layer and for each multicast session is achieved with binary integer linear programming depending on network conditions with a goal to maximize global QoE. Results show that our algorithm maximizes global QoE by providing highest quality videos to users with good channel conditions and by guaranteeing at least acceptable QoE for all users.
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Kamal Deep Singh, Kandaraj Piamrat, Hyunhee Park, César Viho, Jean-Marie Bonnin. Optimising QoE for Scalable Video multicast over WLAN. IEEE 24th International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC'2013), Sep 2013, London, United Kingdom. pp.2131-2136, ⟨10.1109/PIMRC.2013.6666496⟩. ⟨hal-00930091⟩

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