Abstract: Aiming at the application scene of smart home data acquisition in wireless sensor network application, this paper puts forward an improved LEACH algorithm called SH-LEACH. The algorithm divides area for nodes according to its coordinate and takes the residual energy into consideration when electing cluster head. Cluster heads do data fusion before transmiting data packet so that acquiring low power consumption. The Matlab simulation results show that, comparing with LEACH algorithm, the algorithm effectively balances the distribution of cluster head, reduces the node energy consumption and prolongs the life cycle of single node and entire network.
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Key words: LEACH algorithm, partition clusters, data fusion, low power consumption, wireless sensor network, smart home