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An On-Demand Energy Requesting Scheme for Wireless Energy Harvesting Powered IoT Networks
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Systems and Technology. (Communication Systems and Networks (CSN))
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Systems and Technology. (Communication Systems and Networks (CSN))ORCID iD: 0000-0003-0873-7827
University of Agder, Norway.
2018 (English)In: IEEE Internet of Things Journal, ISSN 2327-4662, Vol. 5, no 4, p. 2868-2879, article id 8390912Article in journal (Refereed) Published
Abstract [en]

Energy harvesting (EH) delivers a unique technique for replenishing batteries in Internet of Things (IoT) devices. Equipped with an energy harvesting accessory, EH-enabled sensor nodes/IoT devices extract energy from ambient resources such as solar or radio frequency (RF) signals. Relying on residual battery or/and harvested energy, sensor nodes in an IoT network perform data exchange activities. Otherwise, the delivery of sensed data would be delayed until sufficient energy is harvested. In this paper, we propose an on-demand energy requesting (OER) mechanism for improving the delay performance of a wireless EH-powered IoT network. The proposed scheme acquires energy when necessary from an energy transmitter that is capable of transmitting energy via directed RF signals. Furthermore we develop two associated discrete time Markov chain (DTMC) models to analyze the performance of the OER scheme, targeting at a generic synchronous medium access control (MAC) protocol. Using the proposed DTMC models, we evaluate OER with respect to average packet delay, network throughput, packet loss probability, and packet reliability ratio by employing a specific synchronous MAC protocol. Numerical results obtained from both analysis and discrete-event simulations coincide with each other, indicating the accuracy of the models and revealing the behavior of EH based packet transmissions.

Place, publisher, year, edition, pages
2018. Vol. 5, no 4, p. 2868-2879, article id 8390912
Keywords [en]
IoT network, energy harvesting, on-demand energy requesting, DTMC modeling, performance evaluation
National Category
Communication Systems Telecommunications Computer Engineering
Identifiers
URN: urn:nbn:se:miun:diva-33891DOI: 10.1109/JIOT.2018.2849069ISI: 000441428700057Scopus ID: 2-s2.0-85048892149OAI: oai:DiVA.org:miun-33891DiVA, id: diva2:1223102
Projects
SMART
Funder
European Regional Development Fund (ERDF)Available from: 2018-06-25 Created: 2018-06-25 Last updated: 2018-09-27Bibliographically approved

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Guntupalli, LakshmikanthGidlund, Mikael

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