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Open AccessArticle

Location-Aware Point-to-Point RPL in Indoor IR-UWB Networks

Department of Electrical and Electronics Engineering, Konkuk University, Seoul 05029, Korea
Author to whom correspondence should be addressed.
Electronics 2020, 9(5), 861;
Received: 26 April 2020 / Revised: 14 May 2020 / Accepted: 20 May 2020 / Published: 22 May 2020
(This article belongs to the Section Networks)
Wireless multi-hop ad hoc routing is one of the critical design factors that determine the network performance of various wireless IoT applications. IETF has standardized the point-to-point RPL (P2P-RPL) routing protocol to overcome the inefficient routing overheads of RPL. However, P2P-RPL propagates the route discovery forwarding packets throughout the whole network. P2P-RPL suffers from the high energy consumption and the huge route discovery overhead in low-power and lossy networks (LLNs). In this paper, we propose a novel Location-Aware P2P-RPL (LA P2P-RPL), which achieves the energy-efficient P2P data delivery without reducing the networking reliability. The proposed algorithm introduces the Impulse-Response UWB (IR-UWB) based cooperative multi-hop self localization algorithm and the Location-Aware P2P-RPL algorithm for Indoor IR-UWB based networks. To increase the localization accuracy, smartphone based Inertial Navigation System (INS) with particle filtering is used in indoor multi-hop environments. The performance evaluations for Location-Aware P2P-RPL algorithm are compared with the traditional P2P-RPL and the ER-RPL algorithm to show the significant performance improvements for route discovery overheads and energy consumptions in LLNs. View Full-Text
Keywords: P2P-RPL; energy efficient routing; UWB multi-hop localization P2P-RPL; energy efficient routing; UWB multi-hop localization
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Jung, J.; Choi, Y.; Kwon, Y. Location-Aware Point-to-Point RPL in Indoor IR-UWB Networks. Electronics 2020, 9, 861.

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