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Path planning for Mobile Beacon based Iterative Localization in Wireless Sensor Network

Shweta Ubnare; Balram Yadav; Bharti Chourasiya
Wireless sensor network (WSN) is deployed to gather and forward information to the faraway destination. It is very important to aware about the location of the event occurred. This location information may be obtained using manual deployment of sensor nodes or GPS, but this become prohibitive due to increased price. The localization technique in wireless sensor networks can obtained positional information of nodes with some GPS enable nodes called beacon nodes. Randomly deployed WSN needs a large amount of GPS-enabled sensor nodes for localization, this necessitates iterative approach or a mobile beacon node to localize all sensor nodes. However, nodes with sparse connectivity remain unlocalized. In this paper, a iterative mobile beacon based technique is proposed for node localization. Initially, sensor nodes are localized using beacons in the neighborhood, then these localized nodes iteratively localized remaining nodes using multilateration. A Mobile beacon node follow zigzag path in field and broadcast position information. It localized nodes with sparse connectivity. Simulation results show that proposed approach localize all sensor nodes with good localization accuracy.
Select Volume / Issues:
Year:
2017
Type of Publication:
Article
Keywords:
Path Planning; Localization; Mobile Beacon; Wireless Sensor Network; Iterative Processing
Journal:
IJECCE
Volume:
8
Number:
3
Pages:
177-184
Month:
May
ISSN:
2249-071X
Hits: 113

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