DV-Hop Wireless Sensor LocationAlgorithm Based on SimulatedAnnealingAlgorithm

Computer & Telecommunication

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School of Physics and Information Engineering

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Abstract In the classical DV-Hop algorithm, the estimation of unknown point coordinates by the hop distance and least squares method will lead to large errors. To solve this problem, a weighting factor is introduced to correct the average hop distance, and a simulated annealing algorithm is used instead of the least squares method to solve the unknown node coordinates. The number of beacon nodes and communication radius are taken as variables to study the improvement effect. The experimental results show that the positioning accuracy of the improved positioning algorithm is significantly improved, and the error rate is significantly reduced with fewer beacon nodes and smaller communication radius, which has higher practical application value.

Key words： wireless sensor network DV-Hop location algorithm simulated annealing algorithm node location

Published: 10 May 2020

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	ZHOU Ding-dong ZHANG Chun ZHANG Jie SU Qian

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ZHOU Ding-dong ZHANG Chun ZHANG Jie SU Qian. DV-Hop Wireless Sensor LocationAlgorithm Based on SimulatedAnnealingAlgorithm. Computer & Telecommunication, 2020, 1(5): 29-32.

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https://www.computertelecom.com.cn/EN/ OR https://www.computertelecom.com.cn/EN/Y2020/V1/I5/29

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