Journal Title : International Journal of Modern Trends in Engineering and Science

Author’s Name : J Iswariya  unnamed

Volume 03 Issue 06 2016

ISSN no:  2348-3121

Page no: 31-34

Abstract – Wireless Sensor network are self-organized and widely distributed networks which are composed of many battery-powered, low-cost wireless sensor nodes deployed in monitoring area. Although WSN’s have limitations in terms of memory and processors, the main constraint is battery problem which limits the lifetime of a network. This work describes using of controlled sink mobility sensor node to increase the lifetime of the sensor node with the support of triangulation localisation techniques in wireless sensor network(WSN) the results show that this localisation algorithm are efficient in improving network life time and providing significantly better lifetime to fixed sink case and random movement strategy.
Many approaches are involved to improve the power energy of network nodes like single hop, multi hop in controlled mobility based WSN without RSSI method. Then they approached with RSSI localization algorithm. The RSSI localization algorithm calculates the distance between nodes by measuring the signal strength but which are not accurate which provides inaccuracy of localization. However, the stability of RSSI is poor.This drawback should be expected to grow further with the proliferation of wireless sensor network applications. Now, proposed method uses the triangultion method to calculate the mobile nodes position. This improves energy efficiency of nodes.

KeywordsControl Mobility; RSSI; Traingulation 


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