A survey of Energy Efficient Unequal Clustering Algorithms for Wireless Sensor Networks

Abstract

In order to prolong the lifetime of sensor nodes, wireless sensor networks are partitioned into clusters. The most of the proposed Equal Clustering algorithms do not consider location of the base station. This situation causes hot spots or energy hole problem in multi-hop data forwarding. Unequal clustering mechanisms, which are designed by considering the location of the base station to solve the hot spot issue. In this paper, we examine currently proposed Unequal clustering algorithms for WSN. We will in brief discuss the operations of these algorithms, as well as the comparisons on the performance such as efficiency and quality between various schemes. General Terms Wireless Sensor Networks, Clustering.