In order to overcome drawbacks of unreasonable cluster-head selection and excessive energy consumption in wireless sensor networks (WSNs), a modified cluster-head selection algorithm based on LEACH (LEACH-M) was proposed. Based on distributed address assignment mechanism (DAAM) of ZigBee, both residual energy and network address of nodes were taken into account to optimize cluster-head threshold equation. Furthermore, by leveraging a cluster-head competitive mechanism, LEACH-M successfully balanced the network energy burden and dramatically improved energy efficiency. The simulation results in NS-2.35 show that the proposed algorithm can prolong the network lifetime, minimize the energy consumption, and increase the amount of data received at base station whether region is in a 100 × 100m 2 or in a 300 × 300m 2 .
A modified CH selection algorithm based on LEACH (LEACH-M) was proposed by Zhao et al. REF Based on distributed address assignment mechanism (DAAM) of ZigBee, both residual energy and network address of nodes are taken into account to optimize CH threshold equation.
A modified cluster-head selection algorithm in wireless sensor networks based on LEACH
EURASIP Journal on Wireless Communications and Networking
Computer Science