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Evaluating Peak Age-of-Information via Stochastic Hybrid Systems

Asvadi, S ; Sharif University of Technology | 2023

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  1. Type of Document: Article
  2. DOI: 10.1109/TVT.2023.3294842
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2023
  4. Abstract:
  5. In this paper, we derive a general formula for the average peak age-of-information (PAoI) in the updating systems that can be modeled by a stochastic hybrid system (SHS) without fake updates. In such systems, updates in the age-of-information (AoI) process are equivalent to a set of transitions in the SHS. In our derivation, we first introduce the stochastic peak function whose limiting average is related to the average PAoI. Next, we utilize a new SHS that includes the stochastic peak function to find the average PAoI. As a case study, we investigate the average PAoI of a preemptive tandem network, where a newly arrived packet at a node replaces the old packet (if it exists). © 1967-2012 IEEE
  6. Keywords:
  7. Peak age-of-information ; Stochastic hybrid system ; Tandem network ; VANET ; Stochastic hybrid system (SHS)
  8. Source: IEEE Transactions on Vehicular Technology ; Volume 72, Issue 12 , 2023 , Pages 16923-16928 ; 00189545 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/10180058