Mobility

On Multipath Balancing and Expanding for Wireless Multimedia Sensor Networks

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Executive Summary

Multiple disjointed paths have been demonstrated to be effective in delivering multimedia traffic in wireless sensor networks, and improving the network performance in terms of bandwidth aggregation, reliability and network lifetime. In this paper, the authors investigate the use of directional geographical routing for multipath construction for multimedia data dissemination, and identify the challenging issue of achieving multipath balancing in proximity to the source/sink. While the authors' previous work addresses the multipath expanding problem efficiently, this paper presents a novel scheme to achieve the paths balancing distribution to alleviate the contention between the paths when close to the sink.

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