activity
20192025
most citedOptimizing Information Freshness in Computing enabled IoT Networks

84 citations · 111 across the 13 of their papers we have counts for

collaborators

14 papers

cs.IT2025

Task-oriented Age of Information for Remote Inference with Hybrid Language Models

Shuying Gan, Xijun Wang, Chenyuan Feng +4

Large Language Models (LLMs) have revolutionized the field of artificial intelligence (AI) through their advanced reasoning capabilities, but their extensive parameter sets introdu…

cs.NI2024

Task-oriented Age of Information for Remote Monitoring Systems

Shuying Gan, Xijun Wang, Chao Xu +1

The emergence of intelligent applications has fostered the development of a task-oriented communication paradigm, where a comprehensive, universal, and practical metric is crucial…

cs.NI2023

Optimal Status Updates for Minimizing Age of Correlated Information in IoT Networks with Energy Harvesting Sensors

Chao Xu, Xinyan Zhang, Howard H. Yang +4

Many real-time applications of the Internet of Things (IoT) need to deal with correlated information generated by multiple sensors. The design of efficient status update strategies…

cs.LG2023★ 2 cited

DPP-based Client Selection for Federated Learning with Non-IID Data

Yuxuan Zhang, Chao Xu, Howard H. Yang +2

This paper proposes a client selection (CS) method to tackle the communication bottleneck of federated learning (FL) while concurrently coping with FL's data heterogeneity issue. S…

cs.NI2022★ 1 cited

FIRE: A Failure-Adaptive Reinforcement Learning Framework for Edge Computing Migrations

Marie Siew, Shikhar Sharma, Zekai Li +5

In edge computing, users' service profiles are migrated due to user mobility. Reinforcement learning (RL) frameworks have been proposed to do so, often trained on simulated data. H…

cs.IT2021

Age of Changed Information: Content-Aware Status Updating in the Internet of Things

Xijun Wang, Wenrui Lin, Chao Xu +2

In Internet of Things (IoT), the freshness of status updates is crucial for mission-critical applications. In this regard, it is suggested to quantify the freshness of updates by u…

cs.IT2021★ 8 cited

When to Preprocess? Keeping Information Fresh for Computing Enable Internet of Things

Xijun Wang, Minghao Fang, Chao Xu +4

Age of information (AoI), a notion that measures the information freshness, is an essential performance measure for time-critical applications in Internet of Things (IoT). With the…

cs.NI2021★ 2 cited

Optimal Status Update for Caching Enabled IoT Networks: A Dueling Deep R-Network Approach

Chao Xu, Yiping Xie, Xijun Wang +3

In the Internet of Things (IoT) networks, caching is a promising technique to alleviate energy consumption of sensors by responding to users' data requests with the data packets ca…

cs.IT2020

Understanding Age of Information in Large-Scale Wireless Networks

Howard H. Yang, Chao Xu, Xijun Wang +2

The notion of age-of-information (AoI) is investigated in the context of large-scale wireless networks, in which transmitters need to send a sequence of information packets, which…

cs.IT2020★ 2 cited

Performance Analysis for Multi-Antenna Small Cell Networks with Clustered Dynamic TDD

Hongguang Sun, Howard H. Yang, Xijun Wang +2

Small cell networks with dynamic time-division duplex (D-TDD) have emerged as a potential solution to address the asymmetric traffic demands in 5G wireless networks. By allowing th…

cs.IT2020

Average Age of Changed Information in the Internet of Things

Wenrui Lin, Xijun Wang, Chao Xu +2

The freshness of status updates is imperative in mission-critical Internet of things (IoT) applications. Recently, Age of Information (AoI) has been proposed to measure the freshne…

cs.IT2020★ 5 cited

AoI and Energy Consumption Oriented Dynamic Status Updating in Caching Enabled IoT Networks

Chao Xu, Xijun Wang, Howard H. Yang +2

Caching has been regarded as a promising technique to alleviate energy consumption of sensors in Internet of Things (IoT) networks by responding to users' requests with the data pa…

cs.IT2019★ 84 cited

Optimizing Information Freshness in Computing enabled IoT Networks

Chao Xu, Howard H. Yang, Xijun Wang +1

Internet of Things (IoT) has emerged as one of the key features of the next generation wireless networks, where timely delivery of status update packets is essential for many real-…

cs.IT2019★ 7 cited

On Peak Age of Information in Data Preprocessing enabled IoT Networks

Chao Xu, Howard H. Yang, Xijun Wang +1

Internet of Things (IoT) has been emerging as one of the use cases permeating our daily lives in 5th Generation wireless networks, where status update packages are usually required…