An Improved LEACH with Location Based Cluster Head (LBCH-LEACH) using Two-Hop Communication
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 12
Abstract
Wireless sensor networks are energy restraint networks. Energy efficiency, to extend the network for a longer time is critical issue for wireless sensor network protocols. Clustering is an effective technique to optimize the energy of sensor nodes in wireless sensor networks. LEACH is a fully distributed clustering method that picks cluster head randomly from the nodes. In LEACH, though node death is random but it is perceived that border area nodes die first. But critical field surveillance application needs border nodes to function for much longer time period. In this paper, we focused on cluster head selection and implemented with LEACH. Proposed approach makes some nodes cluster head which have more residual energy and minimum distance from base station (as there is no certainty in LEACH about the location of CHs) in next round and they use two-hop communication. Simulation results show that LBCH-LEACH implement the above discussed improvements effectively and efficiently and prolongs the network lifespan over LEACH.
Authors and Affiliations
Mitra Bhushan
Keywords
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