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2010•Journal of Jilin UniversityRequires access

Improved DV-Hop algorithm in localization accuracy in WSN

Wang Ai-min

Open publisher page 4 citations

Abstract

An improved DV-Hop algorithm(RHDV-Hop algorithm)in Wireless Sensor Networks(WSN)is proposed.In this algorithm,the Received Signal Strength Indicator(RSSI)ranging technique is employed to replace the distance measurement of one hop away from the anchor node in DV-Hop algorithm.Also a 2-D Hyperbolic algorithm is used to replace the trilateration algorithm in DV-Hop.Contrasting simulation experiments on the proposed RHDV-Hop algorithm,the DV-Hop algorithm and other improved DV-Hop algorithms reported in the literature are carried out in NS2.Results show that the proposed RHDV-Hop algorithm outperforms the DV-Hop algorithm and other improved DV-Hop algorithms in localization accuracy.

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What this paper is about

An improved DV-Hop algorithm(RHDV-Hop algorithm)in Wireless Sensor Networks(WSN)is proposed.In this algorithm,the Received Signal Strength Indicator(RSSI)ranging technique is employed to replace the distance measurement of one hop away from the anchor node in DV-Hop algorithm.Also a 2-D Hyperbolic algorithm is used to replace the trilateration algorithm in DV-Hop.Contrasting simulation experiments on the proposed RHDV-Hop algorithm,the DV-Hop algorithm and other improved DV-Hop algorithms reported in the literature are carried out in NS2.Results show that the proposed RHDV-Hop algorithm outperforms the DV-Hop algorithm and other improved DV-Hop algorithms in localization accuracy.

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Available abstract

An improved DV-Hop algorithm(RHDV-Hop algorithm)in Wireless Sensor Networks(WSN)is proposed.In this algorithm,the Received Signal Strength Indicator(RSSI)ranging technique is employed to replace the distance measurement of one hop away from the anchor node in DV-Hop algorithm.Also a 2-D Hyperbolic algorithm is used to replace the trilateration algorithm in DV-Hop.Contrasting simulation experiments on the proposed RHDV-Hop algorithm,the DV-Hop algorithm and other improved DV-Hop algorithms reported in the literature are carried out in NS2.Results show that the proposed RHDV-Hop algorithm outperforms the DV-Hop algorithm and other improved DV-Hop algorithms in localization accuracy.

Key concepts: Trilateration, Hop (telecommunications), Algorithm, Wireless sensor network, Computer science, Ranging, Signal strength, Node (physics)

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