Age of information: An introduction and survey

RD Yates, Y Sun, DR Brown, SK Kaul… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
We summarize recent contributions in the broad area of age of information (AoI). In
particular, we describe the current state of the art in the design and optimization of low …

The age of information: Real-time status updating by multiple sources

RD Yates, SK Kaul - IEEE Transactions on Information Theory, 2018 - ieeexplore.ieee.org
We examine multiple independent sources providing status updates to a monitor through
simple queues. We formulate an age of information (AoI) timeliness metric and derive a …

Minimizing the age of information in wireless networks with stochastic arrivals

I Kadota, E Modiano - Proceedings of the Twentieth ACM International …, 2019 - dl.acm.org
We consider a wireless network with a base station serving multiple traffic streams to
different destinations. Packets from each stream arrive to the base station according to a …

The age of information in networks: Moments, distributions, and sampling

RD Yates - IEEE Transactions on Information Theory, 2020 - ieeexplore.ieee.org
A source provides status updates to monitors through a network with state defined by a
continuous-time finite Markov chain. An age of information (AoI) metric is used to …

A survey on the optimisation of age of information in wireless networks

H Wang, Q Sun, S Wang - International Journal of Web and …, 2023 - inderscienceonline.com
This article comprehensively surveys the area of age of information (AoI) in the wireless
networks and focuses on categorising and reviewing the current progress on AoI from an …

A whittle index approach to minimizing functions of age of information

V Tripathi, E Modiano - 2019 57th Annual Allerton Conference …, 2019 - ieeexplore.ieee.org
We consider a setting where multiple active sources send real-time updates over a single-
hop wireless broadcast network to a monitoring station. Our goal is to design a scheduling …

Age-of-information with information source diversity in an energy harvesting system

E Gindullina, L Badia, D Gündüz - IEEE Transactions on Green …, 2021 - ieeexplore.ieee.org
Age of information (AoI) is a key performance metric for the Internet of things (IoT). Timely
status updates are essential for many IoT applications; however, they often suffer from harsh …

Age of information in random access networks with stochastic arrivals

I Kadota, E Modiano - IEEE INFOCOM 2021-IEEE Conference …, 2021 - ieeexplore.ieee.org
We consider a Random Access network with a number of nodes transmitting time-sensitive
information to a wireless base station. Packets are generated according to a stochastic …

Minimizing age of information in multiaccess-edge-computing-assisted IoT networks

A Muhammad, I Sorkhoh, M Samir… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Internet of Things (IoT) applications, such as augmented/virtual reality, tactile Internet,
immersive gaming, etc., are currently experiencing an unprecedented growth in their …

Timely updates by multiple sources: The M/M/1 queue revisited

SK Kaul, RD Yates - 2020 54th Annual Conference on …, 2020 - ieeexplore.ieee.org
Multiple sources submit updates to a monitor through an M/M/1 queue. A stochastic hybrid
system (SHS) approach is used to derive the average age of information (AoI) for an …