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Comparison of Routing Protocols to Assess Network Lifetime of WSN

Keywords: WSN , LEACH , PEGASIS , VGA , Protocol Comparison , Network Lifetime , IJCSI

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Rapid pace of improving technology in Wireless Sensor Networks (WSN) made it possible to manufacture low power, multifunctional sensor nodes. WSN is the set of small power energy confined sensor nodes which can be deployed in unapproachable domains. In WNS biggest constraint is to employ an efficient power consumption scheme. Different protocols were described for WSN out of which the research has been done on hierarchical (clustering) protocols to find out longer network lifetime. Low Energy Adaptive Clustering Hierarchy (LEACH), Power Efficient GAthering in Sensor Information System (PEGASIS) and Virtual Grid Array (VGA) protocols were analyzed for network lifetime by changing the sensing range of sensor nodes and increasing the network size. The sensing ranges used are 8m and 12m for 60, 90 and 120 number of nodes. The results found that PEGASIS had the consistency in network lifetime and it also supports large networks. While LEACH is more suitable for networks having less than hundred number of nodes.


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