Efficient and Reliable Broadcast Protocol for Clustered Wireless Sensor Networks

Broadcasting is an important method of communication in wireless sensor network, the reliability and security of broadcast should be satisfied. Also, due to the limited resources of sensors, reducing the energy consumption is a major consideration. In this paper, we proposed an efficient and reliable broadcast protocol for clustered WSN (ERBP). In ERBP, nodes need its 1-hop neighborhood information so that the cluster head could establish a small route table used to transmit message to neighbor cluster head. Only cluster heads perform signature verification and normal nodes in the cluster authenticate the message using key chain generated by a public one-way function. Analysis and simulation show that our protocol has better performances than many existing schemes in terms of reliability, scalability, security and efficiency.