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Image and video sensing data in the multimedia wireless sensor networks make many requirements in the resource of bandwidth and energy. For the purpose of real-time transmission of multimedia data, this paper proposes a new QoS protocol applied to multimedia wireless sensor networks REAR. In this protocol metadata is used to establish multi-path routing for reducing the energy consumption and a cost function is constructed to evaluate the consumption of the transmission links which trades off the relationship of energy and delay, and then a QoS routing is chosen. The experiments show that the protocol could ensure the real-time transmission of multimedia data and prolong the lifetime of sensor networks.
Date of Conference: 25-27 June 2008