Priority-based Traffic Control Mechanism in Wireless Multimedia Sensor Network

Wireless Multimedia Sensor Networks should transfer a large quantity of multimedia data in a timely manner within a limited time; thus, it is very important to provide a low degree of delay and the maximum throughput. This paper proposes an efficient traffic control mechanism of multimedia data requiring real-time transmission in wireless multimedia sensor network with the path determination based on path cost. The proposed mechanism conducts routing by calculating path cost in accordance with the priority of packet by using the hop count up to the sink, the information on residual energy quantity of neighbor nodes and the quality of wireless communication link. The proposed traffic control mechanism can guarantee real-time of multimedia data and the quality of service required by users through performance analysis. Also, it enhances the network reliability and energy efficiency by minimizing the energy consumption.