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DCCTA: Age of Information in Slotted ALOHA Under Duty Cycle Constraints
Date
2024-01-01
Author
Yavascan, Orhan T.
Ahmetoglu, Mutlu
Uysal, Elif
Gurbuz, Umut
Gencay, Omer
Balci, Alperen
Metadata
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Slotted ALOHA has been receiving renewed interest due to its suitability as a channel access scheme in low-overhead IoT and LP-WAN scenarios. Threshold ALOHA (TA) is a modification of slotted ALOHA where users only become inactive when the Age of Information (AoI) of their respective packet flows rises above a certain threshold. TA, as well as related algorithms (e.g., SAT, MiSTA) proposed in recent literature, control the access to the channel to communicate fresh rather than stale data, without loss of throughput with respect to ordinary slotted ALOHA. This paper was motivated by the fact that many low power wide area network (LP-WAN) scenarios where TA and its variants are useful are bound in practice by mandatory duty cycle constraints. We observe that under such constraints the previously proposed TA variants run into duty cycle violations, when in fact these may be avoidable without sacrificing throughput or freshness. We propose a modification of TA, referred to as Duty Cycle Compliant Threshold ALOHA (DCCTA), that obeys a given duty cycle constraint and analyzes its performance.
Subject Keywords
Age of Information
,
Age-aware random access
,
AoI
,
duty cycle
,
IoT
,
LoRa
,
LPWAN
,
random access
,
Slotted ALOHA
,
Threshold ALOHA
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85197883998&origin=inward
https://hdl.handle.net/11511/110228
DOI
https://doi.org/10.1109/icnc59896.2024.10556196
Conference Name
2024 International Conference on Computing, Networking and Communications, ICNC 2024
Collections
Department of Electrical and Electronics Engineering, Conference / Seminar
Citation Formats
IEEE
ACM
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MLA
BibTeX
O. T. Yavascan, M. Ahmetoglu, E. Uysal, U. Gurbuz, O. Gencay, and A. Balci, “DCCTA: Age of Information in Slotted ALOHA Under Duty Cycle Constraints,” presented at the 2024 International Conference on Computing, Networking and Communications, ICNC 2024, Hawaii, Amerika Birleşik Devletleri, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85197883998&origin=inward.