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QoE-aware Multiple Path Video Transmission for Wireless Multimedia Sensor Networks

By Denis Rosário, Rodrigo Costa, Aldri Santos, Torsten Braun and Eduardo Cerqueira

Abstract

Abstract. Wireless Multimedia Sensor Networks (WMSNs) promise a wide scope of emerging potential applications in both civilian and military areas, which require visual and audio information to enhance the level of collected information. The transmission of multimedia content requires a minimal video quality level from the user’s perspective. However, links in WMSN communications are typically unreliable, as they often experience fluctuations in quality and weak connectivity, and thus, the routing protocol must evaluate the routes by using end-to-end link quality information to increase the packet delivery ratio. Moreover, the use multiple paths together with key video metrics can enhance the video quality level. In this paper, we propose a video-aware multiple path hierarchical routing protocol for efficient multimedia transmission over WMSN, called video-aware MMtransmission. This protocol finds node-disjoint multiple paths, and implements an end-to-end link quality estimation with minimal overhead to score the paths. Thus, our protocol assures multimedia transmission with Quality of Experience (QoE) and energy-efficiency support. The simulation results show the benefits of video-aware MMtransmission for disseminating video content by means of energy-efficiency and QoE analysis. 1

Year: 2014
OAI identifier: oai:CiteSeerX.psu:10.1.1.415.4664
Provided by: CiteSeerX
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