Improving Network Lifetime Using Mobile Sink in Clustered Wireless Sensor Networks
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 4
Abstract
In Wireless Sensor Networks, sensors are used to detect abnormal event and report the sensed data to the sink. Sensors have limited power resources. Sensor nodes deliver sensed data back to the sink. The sensor nodes near the sink will consume more battery power than others sensor nodes, the node will quickly drain out their battery energy and Shorten the network lifetime of the Wireless Sensor Network. Mobile Sink based data collection is an efficient network lifetime extension method. Divide the network into multiple clusters by using clustering algorithm. Each cluster has one cluster head (CH). Cluster head are responsible for collecting data from their node. Mobile sink is used to collects the data from the cluster head. Distance based data collection method is used to aggregate the data. Distance between the sink and sensor node is calculated by sink. Lowest distance node is allotted for first slot based on TDMA, to collect the data. It reduces the collision of data, traffic, and delay and also increases the network lifetime.
Authors and Affiliations
S. Alexander, Dr. P. Marikkannu
Keywords
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