Barakat, Basel; Keates, Simeon; Wassell, Ian and Arshad, Kamran. 2019. 'Adaptive Status Arrivals Policy (ASAP) Delivering Fresh Information (Minimise Peak Age) in Real World Scenarios'. In: 21st International Conference on Human-Computer Interaction (HCII 2019). Orlando, FL, United States 26 - 31 July 2019. [Conference or Workshop Item]

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Abstract or Description

Real-time systems make their decisions based on information communicated from sensors. Consequently, delivering information in a timely manner is critical to such systems. In this paper, a policy for delivering fresh information (or minimising the Peak Age of the information) is proposed. The proposed policy, i.e., the Adaptive Status Arrivals Policy (ASAP), adaptively controls the timing between updates to enhance the Peak Age (PA) performance of real-time systems. Firstly, an optimal value for the inter-arrival rate is derived. Afterwards, we implemented the policy in three scenarios and measured the ASAP PA performance. The experiments showed that ASAP is able to approach the theoretical optimal PA performance. Moreover, it can deliver fresh information in scenarios where the server is located in the cloud.

Item Type:	Conference or Workshop Item (Paper)
Identification Number (DOI):	https://doi.org/10.1007/978-3-030-23563-5_33
Keywords:	Real Time Systems, Cloud, Adaptive Systems, Information Freshness, Peak Age of Information
Departments, Centres and Research Units:	Computing
Dates:	Date Event 4 July 2019 Published
Event Location:	Orlando, FL, United States
Date range:	26 - 31 July 2019
Item ID:	38192
Date Deposited:	31 Jan 2025 12:48
Last Modified:	31 Jan 2025 12:55
URI:	https://research.gold.ac.uk/id/eprint/38192

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