Age of information upon decisions

Y Dong, Z Chen, S Liu, P Fan - 2018 IEEE 39th Sarnoff …, 2018 - ieeexplore.ieee.org
We consider an M/M/1 update-and-decide system where Poisson distributed decisions are
made based on the received updates. We propose to characterize the freshness of the …

Intermittent status updating through joint scheduling of sensing and retransmissions

O Ozel, P Rafiee - IEEE INFOCOM 2021-IEEE Conference on …, 2021 - ieeexplore.ieee.org
Consider an energy harvesting node where generation of a status update message takes
non-negligible time due to sensing, computing and analytics operations performed before …

Age of information in multi-source systems

V Tripathi, S Moharir - GLOBECOM 2017-2017 IEEE Global …, 2017 - ieeexplore.ieee.org
In this work, we consider a system with multiple sensors, each measuring a different time-
varying signal. The sensors report their measurements to a central monitoring station via …

3-competitive policy for minimizing age of information in multi-source m/g/1 queuing model

K Saurav - arXiv preprint arXiv:2201.03502, 2022 - arxiv.org
We consider a multi-source network with a common monitor, where fresh updates are
generated at each source, following a Poisson process. At any time, at most one source can …

Minimizing AoI in resource-constrained multi-source relaying systems with stochastic arrivals

A Zakeri, M Moltafet, M Leinonen… - 2021 IEEE Global …, 2021 - ieeexplore.ieee.org
We consider a multi-source relaying system where the sources independently and randomly
generate status update packets which are sent to the destination with the aid of a buffer …

Optimizing information freshness in broadcast network with unreliable links and random arrivals: An approximate index policy

J Sun, Z Jiang, S Zhou, Z Niu - IEEE INFOCOM 2019-IEEE …, 2019 - ieeexplore.ieee.org
With the rapid growth of real-time Internet of Things (IoT) applications, the need for fresh
information has surged. Age of Information (AoI) is a tailor-made metric to characterize the …

Precoding Design for Ensuring Data Freshness in Multi-user MISO Networks

M Kim, J Lee, K Huang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
The existing multiple-input single-output (MISO) design to transmit data reliably to multiple
mobile users (MUs) has become insufficient as MUs require fresh data, not just data …

Minimizing age of information with power constraints: Multi-user opportunistic scheduling in multi-state time-varying channels

H Tang, J Wang, L Song, J Song - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
This work is motivated by the need of collecting fresh data from power-constrained sensors
in the industrial Internet of Things (IIoT) network. A recently proposed metric, the Age of …

Age of information in multiple sensing

A Javani, M Zorgui, Z Wang - 2020 Information Theory and …, 2020 - ieeexplore.ieee.org
Having timely and fresh knowledge about the current state of information sources is critical
in a variety of applications. In particular, a status update may arrive at the destination much …

Closed-form expression for the average age of information in a multi-source M/G/1 queueing model

M Moltafet, M Leinonen… - 2019 IEEE Information …, 2019 - ieeexplore.ieee.org
In the context of the next generation wireless networks, freshness of status update packets is
essential for enabling the services where a destination needs the most recent …