Network Coding Approach: Intra-cluster Information Exchange in Wireless Sensor Networks.

In this paper, we focus on the intra-cluster information exchange problem and proposed some novel solutions. Firstly, a cluster model is presented and some algorithms based on it are proposed, such as routing, flooding, cluster head relaying and network coding algorithm. The theoretical analysis and simulation comparison of these algorithms are shown subsequently. We find that network coding algorithm allows to realize significant energy and time savings, when each node of the cluster is a source that wants to transmit information to all other cluster member nodes. Energy efficiency directly affects battery life, and delay time is a very important network performance, thus both are critical design parameters in wireless ad hoc sensor networks. Further more, the network coding algorithm we proposed are efficient and implementable. We analyze theoretical cases in detail, and use the packet level simulation. [ABSTRACT FROM AUTHOR]