Comparative Analysis of Energy-Efficient Protocol LEACH, PEGASIS and GA-PEGASIS in Wireless Sensor Networks
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 3
Abstract
Wireless Sensor Network is a collection of small sensor nodes with ability to sense, compute and transmit data that are deployed to observe a physical environment. Data dissemination and gathering protocols design for Wireless Sensor Network is crucial challenge since these protocols are should be easy, energy efficient and robust to deal with such a large number of nodes. LEACH is a hierarchical protocol in which most of the nodes transmit data to cluster heads, and the cluster heads aggregates and compresses the data and forward it to the Base station (sink). PEGASIS (Power-Efficient Gathering in Sensor Information Systems), a near optimal chain based protocol that is an improvement over LEACH. In PEGASIS, each node communicates only with a close neighbor and takes turns transmitting to the base station, In chain based routing protocol a node called leader node forwards the data to the Base station. Genetic algorithm is for generate balanced and energy efficient data aggregation spanning trees for wireless sensor networks. Genetic algorithm contains chromosome with appropriate fitness value. Genetic algorithm consists of selection operator, crossover operator and mutation operator. These operators’ gives help to get better lifetime over LEACH and PEGASIS. By simulation, it is proved that the proposed algorithm allows network stability extension as compared to the most known chaining algorithm
Authors and Affiliations
Kawal Nain, Manpreet Kaur
Keywords
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