Energy Efficient Routing Protocol Based on Residual Energy and Energy Consumption Rate for Heterogeneous Wireless Sensor Networks

This paper investigates a heterogeneous sensor network with two different types of nodes possessing same initial energy but sending different length data packet to base station. It is found that conventional routing protocols can not finely adapt the network model we proposed, therefore, an energy efficient routing protocol based on residual energy and energy consumption rate (REECR) is proposed. Simulation results show that the algorithm proposed balances the energy consumption better compared with conventional routing protocols and achieves an obvious improvement on the network lifetime.

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