activity
20192024
most citedTowards Optimal Tradeoff Between Data Freshness and Update Cost in Information-update Systems

7 citations · 14 across the 7 of their papers we have counts for

collaborators

7 papers

cs.LG2024

Learning-augmented Online Minimization of Age of Information and Transmission Costs

Zhongdong Liu, Keyuan Zhang, Bin Li +3

We consider a discrete-time system where a resource-constrained source (e.g., a small sensor) transmits its time-sensitive data to a destination over a time-varying wireless channe…

cs.DS2024

Learning-augmented Online Algorithm for Two-level Ski-rental Problem

Keyuan Zhang, Zhongdong Liu, Nakjung Choi +1

In this paper, we study the two-level ski-rental problem,where a user needs to fulfill a sequence of demands for multiple items by choosing one of the three payment options: paying…

cs.IT2023

A Worst-Case Approximate Analysis of Peak Age-of-Information Via Robust Queueing Approach

Zhongdong Liu, Yu Sang, Bin Li +1

A new timeliness metric, called Age-of-Information (AoI), has recently attracted a lot of research interests for real-time applications with information updates. It has been extens…

cs.IT2022★ 7 cited

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

Zhongdong Liu, Bin Li, Zizhan Zheng +2

In this paper, we consider a discrete-time information-update system, where a service provider can proactively retrieve information from the information source to update its data a…

cs.IT2020★ 3 cited

Anti-Aging Scheduling in Single-Server Queues: A Systematic and Comparative Study

Zhongdong Liu, Liang Huang, Bin Li +1

The Age-of-Information (AoI) is a new performance metric recently proposed for measuring the freshness of information in information-update systems. In this work, we conduct a syst…

cs.NI2019★ 3 cited

Waiting but not Aging: Optimizing Information Freshness Under the Pull Model

Fengjiao Li, Yu Sang, Zhongdong Liu +3

The Age-of-Information is an important metric for investigating the timeliness performance in information-update systems. In this paper, we study the AoI minimization problem under…

cs.PF2019★ 1 cited

Towards the Tradeoff Between Service Performance and Information Freshness

Zhongdong Liu, Bo Ji

The last decade has witnessed an unprecedented growth in the demand for data-driven real-time services. These services are fueled by emerging applications that require rapidly inje…