Abstract
Achieving expected level of Quality-of-experience (QoE) at receiving end during real-time video streaming is a challenging task in inherently error-prone multihop mobile ad hoc network (MANET). Continuously fluctuating link conditions, dynamicity in bit rates of transmitted video and topology change due to node mobility are some major issues in providing required QoE to multimedia traffic in MANETs. In this paper, we propose a reactive Link Stability Based Routing (LSBR) protocol. LSBR discover route consisting of links having high lifetime. The stability of a link is estimated dynamically during the route discovery process using its signal strength and interference along with the relative mobility of nodes forming the link. A multi-metric mathematical model has been developed using the aforementioned parameters to select a link from the candidate links at each intermediate node in such a way that leads to selection of high lifetime route. To prove effectiveness of LSBR protocol for real-life video streaming, a hybrid MANET scenario consisted of simulated nodes and physical machines is designed using an industry standard emulation tool called EXata-Cyber. Correctness of LSBR protocol for video streaming is established by simulation, hybrid testbed as well as users’ experience.
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Sharma, L., Lal, C., Sharma, D.P. (2016). Improving QoE Using Link Stability for Video Streaming in MANETs. In: Mitton, N., Loscri, V., Mouradian, A. (eds) Ad-hoc, Mobile, and Wireless Networks. ADHOC-NOW 2016. Lecture Notes in Computer Science(), vol 9724. Springer, Cham. https://doi.org/10.1007/978-3-319-40509-4_24
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DOI: https://doi.org/10.1007/978-3-319-40509-4_24
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