Since the energy constraint is one of the most important restrictions in wireless sensor networks so the issue of energy balancing is essential for prolonging the network lifetime. Hence this problem has been considered as a main challenge in the research of scientific communities. In the recent papers many algorithms have been proposed for routing on wireless sensor network to balance the energy consumption such as clustering based routing protocols. In this work we propose the new clustering based routing algorithm namely DECR that is dynamic and hierarchical. Simulation Results show that the DECR prolongs the network lifetime about 23% in comparison to the LEACH protocol.
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