A real-time and energy aware QoS routing protocol for Multimedia Wireless Sensor Networks

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.

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