Optimal activation rates in ultra-dense wireless networks with intermittent traffic sources

F. Cecchi, S.C. Borst, J.S.H. Van Leeuwaarden, P.A. Whiting

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Abstract

As the Internet-of-Things (IoT) emerges, connecting immense numbers of sensors and devices, the continual growth in wireless communications increasingly manifests itself in terms of a larger and denser population of nodes with intermittent traffic patterns. A crucial issue that arises in these conditions is how to set the activation rates as a function of the network density and traffic intensity. Depending on the scaling of the activation rates, dense node populations may either result in excessive activations and potential collisions, or long delays that may increase with the number of nodes, even at low load. Motivated by the above issues, we examine optimal activation rate scalings in ultra-dense networks with intermittent traffic sources. We establish stability conditions, and provide closed-form expressions which indicate that the mean delay is roughly inversely proportional to the nominal activation rate. We also discuss a multi-scale mean-field limit, and use the associated fixed point to determine the buffer content and delay distributions. The results provide insight in the scalings that minimize the delay while preventing excessive activation attempts. Extensive simulation experiments demonstrate that the mean-field asymptotics yield highly accurate approximations, even when the number of nodes is moderate.

Original languageEnglish
Title of host publicationINFOCOM 2018 - IEEE Conference on Computer Communications
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages2672-2680
Number of pages9
ISBN (Electronic)9781538641286
DOIs
Publication statusPublished - 8 Oct 2018
Event2018 IEEE Conference on Computer Communications, INFOCOM 2018 - Honolulu, United States
Duration: 15 Apr 201819 Apr 2018

Conference

Conference2018 IEEE Conference on Computer Communications, INFOCOM 2018
CountryUnited States
CityHonolulu
Period15/04/1819/04/18

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Wireless networks
Chemical activation
Communication
Sensors
Experiments

Cite this

Cecchi, F., Borst, S. C., Van Leeuwaarden, J. S. H., & Whiting, P. A. (2018). Optimal activation rates in ultra-dense wireless networks with intermittent traffic sources. In INFOCOM 2018 - IEEE Conference on Computer Communications (pp. 2672-2680). [8485889] Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/INFOCOM.2018.8485889
Cecchi, F. ; Borst, S.C. ; Van Leeuwaarden, J.S.H. ; Whiting, P.A. / Optimal activation rates in ultra-dense wireless networks with intermittent traffic sources. INFOCOM 2018 - IEEE Conference on Computer Communications. Piscataway : Institute of Electrical and Electronics Engineers, 2018. pp. 2672-2680
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Cecchi, F, Borst, SC, Van Leeuwaarden, JSH & Whiting, PA 2018, Optimal activation rates in ultra-dense wireless networks with intermittent traffic sources. in INFOCOM 2018 - IEEE Conference on Computer Communications., 8485889, Institute of Electrical and Electronics Engineers, Piscataway, pp. 2672-2680, 2018 IEEE Conference on Computer Communications, INFOCOM 2018, Honolulu, United States, 15/04/18. https://doi.org/10.1109/INFOCOM.2018.8485889

Optimal activation rates in ultra-dense wireless networks with intermittent traffic sources. / Cecchi, F.; Borst, S.C.; Van Leeuwaarden, J.S.H.; Whiting, P.A.

INFOCOM 2018 - IEEE Conference on Computer Communications. Piscataway : Institute of Electrical and Electronics Engineers, 2018. p. 2672-2680 8485889.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Cecchi F, Borst SC, Van Leeuwaarden JSH, Whiting PA. Optimal activation rates in ultra-dense wireless networks with intermittent traffic sources. In INFOCOM 2018 - IEEE Conference on Computer Communications. Piscataway: Institute of Electrical and Electronics Engineers. 2018. p. 2672-2680. 8485889 https://doi.org/10.1109/INFOCOM.2018.8485889