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Reliable Interference Prediction and Management with Time-Correlated Traffic for URLLC
Mid Sweden University, Faculty of Science, Technology and Media, Department of Computer and Electrical Engineering (2023-).
Mid Sweden University, Faculty of Science, Technology and Media, Department of Computer and Electrical Engineering (2023-).ORCID iD: 0000-0003-3717-7793
Mid Sweden University, Faculty of Science, Technology and Media, Department of Computer and Electrical Engineering (2023-).ORCID iD: 0000-0003-0873-7827
2023 (English)In: GLOBECOM 2023 - 2023 IEEE Global Communications Conference, IEEE conference proceedings, 2023, p. 6699-6704Conference paper, Published paper (Refereed)
Abstract [en]

In designing ultra-reliable low-latency communication (URLLC) services in 5G-and-beyond systems, link adaptation (LA) plays a vital role in adjusting transmission parameters under channel and interference dynamics. Without capturing such dynamics (e.g., relying on average estimates), the LA algorithms fail to simultaneously meet the strict reliability and latency bounds of mission-critical applications. To this end, this paper focuses on interference prediction-based adaptive resource allocation of one-shot URLLC transmission, wherein our solution deviates from the conventional average-based interference estimation schemes. We predict the next interference value based on the interference distribution estimation using a discrete-time Markov chain (DTMC). Further, to exploit the time correlation of each interference source, we model the correlated interference variations as a second-order DTMC to achieve higher prediction accuracy. While accounting for the risk sensitivity of interference estimates, the prediction outcome is then used for appropriate resource allocation of a URLLC transmission under link outage constraints. We evaluate the complete solution, given in the form of an algorithm, using Monte-Carlo simulations, and compare it with the first-order baseline counterpart. The analysis shows that the second-order interference estimate can fulfill the target outage as low as 10-7and improve the outage probability more than ten times in some scenarios compared to the baseline scheme while keeping the same amount of resource usage. 

Place, publisher, year, edition, pages
IEEE conference proceedings, 2023. p. 6699-6704
Keywords [en]
correlated traffic, discrete-time Markov chain, interference prediction, link adaptation, URLLC
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:miun:diva-50906DOI: 10.1109/GLOBECOM54140.2023.10437025ISI: 001178562007045Scopus ID: 2-s2.0-85187387507ISBN: 9798350310900 (print)OAI: oai:DiVA.org:miun-50906DiVA, id: diva2:1845922
Conference
Proceedings - IEEE Global Communications Conference, GLOBECOM
Available from: 2024-03-20 Created: 2024-03-20 Last updated: 2024-04-12Bibliographically approved

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Salehi, FatemeMahmood, AamirGidlund, Mikael

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