Sensor nodes collect the data from the environment and send to sink. But attackers corrupt data while transmitting therefore data security is main concern of wireless sensor network (WSN). In proposed protocol, we decrease the passive attack on sink node by decreasing the traffic on sink node. The simulation results demonstrates the proposed method can each node will compress their data before sending to cluster head. After compressing, the packet size of node will decrease. This will decrease the traffic overload. In this compression technique, we reduce the size of packet by creating a code string of 0 and 1.
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