Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/8151
Title: A Coverage-Aware Distributed k-Connectivity Maintenance Algorithm for Arbitrarily Large k in Mobile Sensor Networks
Authors: Akram, Vahid Khalilpour
Dagdeviren, Orhan
Tavlı, Bülent
Keywords: Topology
Robot sensing systems
Maintenance engineering
Network topology
Upper bound
Time complexity
Partitioning algorithms
Mobile sensor networks
k-connectivity
distributed algorithm
connectivity maintenance
restoration
reliability
fault tolerance
Restoration
Deployment
Issue Date: 2021
Publisher: Ieee-Inst Electrical Electronics Engineers Inc
Abstract: Mobile sensor networks (MSNs) have emerged from the interaction between mobile robotics and wireless sensor networks. MSNs can be deployed in harsh environments, where failures in some nodes can partition MSNs into disconnected network segments or reduce the coverage area. A k-connected network can tolerate at least k-1 arbitrary node failures without losing its connectivity. In this study, we present a coverage-aware distributed k-connectivity maintenance (restoration) algorithm that generates minimum-cost movements of active nodes after a node failure to preserve a persistent k value subject to a coverage conservation criterion. The algorithm accepts a coverage conservation ratio (as a trade-off parameter between coverage and movements) and facilitates coverage with the generated movements according to this value. Extensive simulations and testbed experiments reveal that the proposed algorithm restores k-connectivity more efficiently than the existing restoration algorithms. Furthermore, our algorithm can be utilized to maintain k-connectivity without sacrificing the coverage, significantly.
URI: https://doi.org/10.1109/TNET.2021.3104356
https://hdl.handle.net/20.500.11851/8151
ISSN: 1063-6692
1558-2566
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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