Multi-hop Routing with Low Energy Adaptive Clustering Hierarchy (MR-LEACH: Multi-hop Routing with Low Energy Adaptive Clustering Hierarchy) is an algorithm based on LEACH protocol in wireless sensor network. In the MR-LEACH protocol, in order to increase the lifetime of the wireless sensor network, the network is divided into different cluster layers. Cluster heads in each layer cooperate with their adjacent layers to transmit sensor data to the base station. Common sensor nodes join cluster heads based on the Received Signal Strength Index (RSSI).
In this protocol, the transmission of nodes is controlled by a base station (BS) that defines the time division multiple access (TDMA) protocol for each cluster head. The BS selects the upper layer cluster heads to act as the grand cluster head for the lower layer cluster heads. Therefore, unlike the LEACH protocol, MR-LEACH follows multi-hop routing from the cluster head to the base station to save energy.
In this project, the MR-LEACH protocol has been simulated in the wireless sensor network environment using the NS2 simulator software, the output images of which can be seen.
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