NDLI: Rssi wsn localization with analysis of energy consumption and communication.

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Rssi wsn localization with analysis of energy consumption and communication.

Content Provider	CiteSeerX
Author	Kotwal, S. B. Verma, Shekhar Abrol, R. K.
Abstract	Distance based localization techniques have always been of interest among researchers. The free received signal strength index (RSSI) requires no extra hardware for distance measurement. Authors in this paper assume that RSSI based distance estimation technique will have some error due to noisy RSSI readings. The localization algorithm proposed here takes into account this error and localizes a WSN in three stages. Due to this error in distance, nodes in neighbor of three anchor nodes determine their uncertainty region with some accuracy and become virtual anchors. These nodes then help other nodes in the network to determine their region. These non virtual anchor nodes collaborate among themselves to further decrease the size of uncertainty region. The collaborative nature of nodes is exploited to increase the accuracy and precision of localization. The authors in this paper have used only three anchor nodes to localize a full blown Wireless Sensor Network (WSN) of 100 nodes with better accuracy compared to existing techniques using RSSI till date. Authors also analyze the energy and communication cost involved in localization process.
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Access Restriction	Open
Subject Keyword	Energy Consumption Rssi Wsn Localization Anchor Node Uncertainty Region Signal Strength Index Rssi Till Date Rssi Reading Collaborative Nature Extra Hardware Non Virtual Anchor Node Communication Cost Full Blown Wireless Sensor Network Virtual Anchor Localization Algorithm Distance Measurement Localization Technique Localization Process Distance Estimation Technique
Content Type	Text
Resource Type	Article

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