Vol.62 (Sensor 2014), pp.25-28

Recently, underwater wireless sensor network is one of the popular research topics to scientist. There are many novel methodologies to reach the goal of the effectiveness network performance such as cluster-based structure, in-network data aggregation, etc. In this paper, we assume the network is clustered by a specific clustering scheme. Then, we suggest a new geographicaldata-aggregation method for that clustered networks to enhance the network performance. The main idea of the suggested method is: Instead of sending sensed data immediately to the cluster head, a cluster member must pass two criteria of data similarity and surrounding space before its data transferring. To prove the suggested data aggregation method improve the clustered-network performances, we evaluate the performances among clustered-network with ordinary data aggregation function, clustered-network with geographical-dataaggregation method.