A survey on adaptive data rate optimization in LoRaWAN : recent solutions and major challenges

dc.contributor.authorKufakunesu, Rachel
dc.contributor.authorHancke, Gerhard P.
dc.contributor.authorAbu-Mahfouz, Adnan Mohammed
dc.date.accessioned2021-08-10T08:52:06Z
dc.date.available2021-08-10T08:52:06Z
dc.date.issued2020-09-05
dc.description.abstractLong-Range Wide Area Network (LoRaWAN) is a fast-growing communication system for Low Power Wide Area Networks (LPWAN) in the Internet of Things (IoTs) deployments. LoRaWAN is built to optimize LPWANs for battery lifetime, capacity, range, and cost. LoRaWAN employs an Adaptive Data Rate (ADR) scheme that dynamically optimizes data rate, airtime, and energy consumption. The major challenge in LoRaWAN is that the LoRa specification does not state how the network server must command end nodes pertaining rate adaptation. As a result, numerous ADR schemes have been proposed to cater for the many applications of IoT technology, the quality of service requirements, di erent metrics, and radio frequency (RF) conditions. This o ers a challenge for the reliability and suitability of these schemes. This paper presents a comprehensive review of the research on ADR algorithms for LoRaWAN technology. First, we provide an overview of LoRaWAN network performance that has been explored and documented in the literature and then focus on recent solutions for ADR as an optimization approach to improve throughput, energy e ciency and scalability. We then distinguish the approaches used, highlight their strengths and drawbacks, and provide a comparison of these approaches. Finally, we identify some research gaps and future directions.en_ZA
dc.description.departmentElectrical, Electronic and Computer Engineeringen_ZA
dc.description.librarianam2021en_ZA
dc.description.urihttp://www.mdpi.com/journal/sensorsen_ZA
dc.identifier.citationKufakunesu, R., Hancke, G.P. & Abu-Mahfouz, A.M. 2020, 'A survey on adaptive data rate optimization in LoRaWAN : recent solutions and major challenges', Sensors, vol. 20, art. 5044, pp. 1-25.en_ZA
dc.identifier.issn1424-8220 (online)
dc.identifier.other10.3390/s20185044
dc.identifier.urihttp://hdl.handle.net/2263/81196
dc.language.isoenen_ZA
dc.publisherMDPI Publishingen_ZA
dc.rights© 2020 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.en_ZA
dc.subjectAlgorithmen_ZA
dc.subjectLong-range wide area network (LoRaWAN)en_ZA
dc.subjectLow power wide area networks (LPWAN)en_ZA
dc.subjectInternet of Things (IoT)en_ZA
dc.subjectAdaptive data rate (ADR)en_ZA
dc.titleA survey on adaptive data rate optimization in LoRaWAN : recent solutions and major challengesen_ZA
dc.typeArticleen_ZA

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