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An End-to-End Virtual Path Construction System for Stable Live Video Streaming over Heterogeneous Wireless Networks

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4 Author(s)
Sangchun Han ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; Hyunchul Joo ; Dongju Lee ; Hwangjun Song

In this paper, we propose an effective end-to-end virtual path construction system, which exploits path diversity over heterogeneous wireless networks. The goal of the proposed system is to provide a high quality live video streaming service over heterogeneous wireless networks. First, we propose a packetization-aware fountain code to integrate multiple physical paths efficiently and increase the fountain decoding probability over wireless packet switching networks. Second, we present a simple but effective physical path selection algorithm to maximize the effective video encoding rate while satisfying delay and fountain decoding failure rate constraints. The proposed system is fully implemented in software and examined over real WLAN and HSDPA networks.

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Selected Areas in Communications, IEEE Journal on  (Volume:29 ,  Issue: 5 )