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Age of Information in a Multiple Access Channel with Heterogeneous Traffic and an Energy Harvesting Node
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-4416-7702
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-5954-434X
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-7599-4367
2019 (English)In: IEEE CONFERENCE ON COMPUTER COMMUNICATIONS WORKSHOPS (IEEE INFOCOM 2019 WKSHPS), IEEE , 2019, p. 662-667Conference paper, Published paper (Refereed)
Abstract [en]

Age of Information (AoI) is a newly appeared concept and metric to characterize the freshness of data. In this work, we study the delay and AoI in a multiple access channel (MAC) with two source nodes transmitting different types of data to a common destination. The first node is grid-connected and its data packets arrive in a bursty manner, and at each time slot it transmits one packet with some probability. Another energy harvesting (EH) sensor node generates a new status update with a certain probability whenever it is charged. We derive the delay of the grid-connected node and the AoI of the EH sensor as functions of different parameters in the system. The results show that the mutual interference has a non-trivial impact on the delay and age performance of the two nodes.

Place, publisher, year, edition, pages
IEEE , 2019. p. 662-667
Series
IEEE Conference on Computer Communications Workshops, ISSN 2159-4228
Keywords [en]
Age-of-Information; Energy Harvesting; Random Access; Queueing; Performance Analysis
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-165552DOI: 10.1109/INFCOMW.2019.8845083ISI: 000526051100110ISBN: 978-1-7281-1878-9 (electronic)OAI: oai:DiVA.org:liu-165552DiVA, id: diva2:1428750
Conference
IEEE Conference on Computer Communications (IEEE INFOCOM)
Note

Funding Agencies|ELLIIT; CENIIT; Swedish Foundation for Strategic ResearchSwedish Foundation for Strategic Research

Available from: 2020-05-06 Created: 2020-05-06 Last updated: 2020-05-06

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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More styles
Language
  • de-DE
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  • Other locale
More languages
Output format
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