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IoT-grid: IoT Communication for Smart DC Grids
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Network Systems Laboratory (NS Lab).ORCID iD: 0000-0001-7952-4779
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Network Systems Laboratory (NS Lab).
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Network Systems Laboratory (NS Lab).ORCID iD: 0000-0001-9338-4960
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Network Systems Laboratory (NS Lab).ORCID iD: 0000-0002-6427-4612
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2016 (English)In: 2016 IEEE Global Communications Conference (GLOBECOM), IEEE conference proceedings, 2016Conference paper (Refereed)
Abstract [en]

IoT technology is considered an essential imperative for Smart Grids (SGs). However, IoT devices have inherently limited responsiveness that may not be sufficient for a time critical SG with stringent demands on communication delay. In practice, it remains an outstanding problem to combine IoT technology with existing grids. To facilitate deployment of IoT-based grids in domestic environments, we propose IoT-grid, a programmable, small-scale, direct current (DC) grid, that can be easily implemented with low-power hardware with limited processing capacity. The proposed grid adopts relatively cheap DC-DC converters which not only provide high conversion efficiency but also accommodate existing small-scale DC power systems (e.g. solar panels). We then explore the communication aspects of IoT-grid, namely, control and monitoring functions. We observe that processing delays of IoT devices have large impact on IoT-grid, which cause a chain of control commands to take considerable longer time as the number of commands increases. To mitigate this problem, we propose a mechanism based on sending burst commands with scheduled responses. Our experimental results show that, in the presence of processing delays, this method can significantly reduce the overall response time.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016.
Keyword [en]
IoT, smart grid, mission-critical control, real-time communications
National Category
Communication Systems
Research subject
Telecommunication
Identifiers
URN: urn:nbn:se:kth:diva-197663OAI: oai:DiVA.org:kth-197663DiVA: diva2:1052434
Conference
GLOBECOM 2016, 4-8 December 2016, Washington, DC USA
Funder
VINNOVA, 2015-00347
Note

QC 20161208

Available from: 2016-12-06 Created: 2016-12-06 Last updated: 2017-05-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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