Arranging cluster sizes and transmission ranges for wireless sensor networks
Information Sciences: an International Journal
Cluster size optimization in sensor networks with decentralized cluster-based protocols
Computer Communications
Computers and Electrical Engineering
Fuzzy logic based energy efficient adaptive clustering protocol
Proceedings of the 3rd International Conference on Information and Communication Systems
Journal of Network and Computer Applications
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In this paper, we present a Multi-hop Routing with Low Energy Adaptive Clustering Hierarchy (MR-LEACH) protocol. In order to prolong the lifetime of Wireless Sensor Network (WSN), MR-LEACH partitions the network into different layers of clusters. Cluster heads in each layer collaborates with the adjacent layers to transmit sensor’s data to the base station. Ordinary sensor nodes join cluster heads based on the Received Signal Strength Indicator (RSSI). The transmission of nodes is controlled by a Base Station (BS) that defines the Time Division Multiple Access (TDMA) schedule for each cluster-head. BS selects the upper layers cluster heads to act as super cluster heads for lower layer cluster heads. Thus, MR-LEACH follows multi-hop routing from cluster-heads to a base station to conserve energy, unlike the LEACH protocol. Performance evaluation has shown that MR-LEACH achieves significant improvement in the LEACH protocol and provides energy efficient routing for WSN.