Novel DV-Hop localization algorithm for wireless sensor networks

Shrawan Kumar () and D. K. Lobiyal ()
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Shrawan Kumar: Maharishi Markandeshwar University
D. K. Lobiyal: Jawaharlal Nehru University

Telecommunication Systems: Modelling, Analysis, Design and Management, 2017, vol. 64, issue 3, No 7, 509-524

Abstract: Abstract Many improved DV-Hop localization algorithm have been proposed to enhance the localization accuracy of DV-Hop algorithm for wireless sensor networks. These proposed improvements of DV-Hop also have some drawbacks in terms of time and energy consumption. In this paper, we propose Novel DV-Hop localization algorithm that provides efficient localization with lesser communication cost without requiring additional hardware. The proposed algorithm completely eliminates communication from one of the steps by calculating hop-size at unknown nodes. It significantly reduces time and energy consumption, which is an important improvement over DV-Hop—based algorithms. The algorithm also uses improvement term to refine the hop-size of anchor nodes. Furthermore, unconstrained optimization is used to achieve better localization accuracy by minimizing the error terms (ranging error) in the estimated distance between anchor node and unknown node. Log-normal shadowing path loss model is used to simulate the algorithms in a more realistic environment. Simulation results show that the performance of our proposed algorithm is better when compared with DV-Hop algorithm and improved DV-Hop—based algorithms in all considered scenarios.

Keywords: Communication cost; DV-Hop algorithm; Localization; Ranging error; Unconstrained optimization; Wireless sensor network (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s11235-016-0189-8

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