Sleep scheduling in hash based geographic secured two phase routing for wireless multimedia sensor networks

Abstract

Traditional Wireless Sensor Networks WSNs deliver information for events such as temperature monitoring environmental application monitoring body area networks speed and pressure monitoring in automobiles and target detection in the military Multimedia sensor networks deliver additional information for multimedia events such as still images video and audio streams The transmission of multimedia streams through wireless networks is an annoying task as WSNs are composed of miniature and low cost sensor nodes with limited resources such as processing memory and energy In general WSNs are deployed in open and hostile environments for monitoring tracking and event management related applications Because of the open WSN environments sensor nodes are subject to security threats Due to adversary activities in the network the performance of the network can degrade Cryptography mechanisms can be employed to avoid security threats imposed by adversary nodes in the network Key management newlineprovides secure generation distribution and storage of keys for security purposes However the algorithms for key management involve expensive exponential operations They cannot be used for encrypting messages; they can only be used for establishing a secret key Hash Based Geographic Secured Routing Hash Based GSR algorithm provides security using both node and message authentication with low computation power newline newline