A perspective on time toward wireless 6G

P Popovski, F Chiariotti, K Huang… - Proceedings of the …, 2022 - ieeexplore.ieee.org
With the advent of 5G technology, the notion of latency got a prominent role in wireless
connectivity, serving as a proxy term for addressing the requirements for real-time …

AoI minimization in status update control with energy harvesting sensors

M Hatami, M Leinonen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Information freshness is crucial for time-critical IoT applications, eg, monitoring and control.
We consider an IoT status update system with users, energy harvesting sensors, and a …

Query age of information: Freshness in pull-based communication

F Chiariotti, J Holm, AE Kalør, B Soret… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Age of Information (AoI) has become an important concept in communications, as it allows
system designers to measure the freshness of the information available to remote monitoring …

On-demand AoI minimization in resource-constrained cache-enabled IoT networks with energy harvesting sensors

M Hatami, M Leinonen, Z Chen… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We consider a resource-constrained IoT network, where multiple users make on-demand
requests to a cache-enabled edge node to send status updates about various random …

Closed-form characterization of the MGF of AoI in energy harvesting status update systems

MA Abd-Elmagid, HS Dhillon - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers a real-time status update system in which an energy harvesting (EH)-
powered transmitter node observes some physical process, and sends its sensed …

Performance analysis of age of information in ultra-dense Internet of Things (IoT) systems with noisy channels

B Zhou, W Saad - IEEE transactions on wireless …, 2021 - ieeexplore.ieee.org
In this paper, a dense Internet of Things (IoT) monitoring system is studied in which a large
number of devices contend for transmitting timely status packets to their corresponding …

Toward Optimal Tradeoff Between Data Freshness and Update Cost in Information-Update Systems

Z Liu, B Li, Z Zheng, YT Hou, B Ji - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
In this article, we consider a discrete-time information-update system, where a service
provider can proactively retrieve information from the information source to update its data …

Scheduling With Soft Age of Information Deadlines

C Li, Q Liu, S Li, Y Chen, YT Hou… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
We study an Age of Information (AoI) scheduling problem where users can tolerate
occasional violations of AoI for each source at the base station. Each user's AoI is …

Implementation and evaluation of age-aware downlink scheduling policies in push-based and pull-based communication

TK Oğuz, ET Ceran, E Uysal, T Girici - Entropy, 2022 - mdpi.com
As communication systems evolve to better cater to the needs of machine-type applications
such as remote monitoring and networked control, advanced perspectives are required for …

Pull or wait: How to optimize query age of information

ME Ildiz, OT Yavascan, E Uysal… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
We study a pull-based status update communication model where a source node submits
update packets to a channel with random transmission delay, at times requested by a …