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ARMOR: A Reliable and Mobility-aware RPL for Mobile Internet of Things Infrastructures - 2021

Research Area:  Internet of Things

Abstract:

Mobile portable embedded devices are becoming an integral part of our daily activities in the vision of Internet of Things. Nevertheless, due to lack of mobility support in the IPv6 Routing Protocol for Low-power and lossy networks (RPL), which is standardized for multi-hop IoT infrastructures, providing reliable communications in terms of Packet Delivery Ratio (PDR) in mobile IoT applications has become significantly challenging. While several studies tried to enhance the adaptability of RPL to network dynamics, their utilized routing metrics have prevented them from establishing long-lasting reliable paths. Furthermore, the stochastic parent replacement policy in the standard version of RPL has intensified this challenge. Aside from this, due to the existing trade-off between reliability and powerefficiency, most of the existing approaches have only concentrated on one of these concerns without paying attention to the other one. To address these issues, this paper introduces ARMOR, a routing mechanism built upon RPL, which employs a novel mobility-aware routing metric, i.e. Time-to-Reside (TTR), and a corresponding parent replacement policy. According to the motion characteristics of the mobile objects, TTR provides an estimation of how long the nodes will be in the transmission range of each other. This enables ARMOR to select nodes, which provide longer connection period and consequently higher reliability.

Author(s) Name:  Aliasghar Mohammadsalehi; Bardia Safaei; Amir Mahdi Hosseini Monazzah; Lars Bauer; Jorg Henkel; Alireza Ejlali

Journal name:  IEEE Internet of Things Journal

Conferrence name:  

Publisher name:  IEEE

DOI:  10.1109/JIOT.2021.3088346

Volume Information:  Page(s): 1 - 1