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An Energy-efficient Mechanism for Increasing Video Quality of Service in Wireless Mesh Networks
Date Issued
2016-04-06
Date Available
2016-05-17T11:45:24Z
Abstract
The continuous growth in user demand for high-quality rich media services puts pressure on Wireless Mesh Network (WMN) resources. Solutions such as those which increase the capacity of the mesh network by equipping mesh routers with additional wireless interfaces provide better Quality of Service (QoS) for video deliveries, but result in higher overall energy consumption for the network. This paper presents LBIS, a distributed solution which combines the benefits of both load-balancing and interface-shifting in order to enhance QoS levels for video services delivered over multi-hop WMNs, while maintaining low energy consumption levels within the network. Simulation-based results show very good performance of our proposed mechanism in terms of QoS metrics (delay, packet loss), Peak Signal-to Noise Ratio (PSNR) and energy consumption in mesh network topologies, and with varying video traffic loads and distributions. The results demonstrate how LBIS can increase the QoS for video deliveries by more than 30% at the cost of an insignificant increase of the overall network energy consumption compared to the WMN with multiple radio interfaces without the LBIS adaptation.
Sponsorship
Science Foundation Ireland
Other Sponsorship
European Regional Development Fund
Type of Material
Conference Publication
Publisher
IEEE
Web versions
Language
English
Status of Item
Not peer reviewed
Conference Details
IEEE Wireless Communications and Networking Conference (WCNC), Doha, Qatar, 3-6 April 2016
This item is made available under a Creative Commons License
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