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Intertwined localization and error-resilient geographic routing for mobile wireless sensor networks - 2018

Intertwined localization and error-resilient geographic routing for mobile wireless sensor networks

Research Area:  Wireless Sensor Networks

Abstract:

Geographic routing in wireless sensor networks brings numerous inherent advantages, albeit its performance relying heavily on accurate node locations. In mobile networks, localization of the continuously moving nodes is a challenging task and location errors are inevitable and affect considerably routing decisions. Our proposal is in response to the unrealistic assumption widely made by previous geographic routing protocols that the accurate location of mobile nodes can be obtained at any time. Such idealized assumption results in under-performing or infeasible routing protocols for the real world applications. In this paper, we propose INTEGER, a localization method intertwined with a new location-error-resilient geographic routing specifically designed for mobile sensor networks even when these networks are intermittently connected. By combining the localization phase with the geographic routing process, INTEGER can select a relay node based on nodes’ mobility predictions from the localization phase. Results show that INTEGER improves the efficiency of the routing by increasing the packet delivery ratio and by reducing the energy consumption while minimizing the number of relay nodes compared to six prevalent protocols from the literature.

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Author(s) Name:  Imane Benkhelifa, Samira Moussaoui and Ilker Demirkol

Journal name:  Wireless Networks

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Publisher name:  Springer

DOI:  10.1007/s11276-018-1836-7

Volume Information:  volume 26, pages 1731–1753 (2020)