3 papers
cs.IT2025
Optimizing Information Freshness of IEEE 802.11ax Uplink OFDMA-Based Random Access
Jingwei Liu, Qian Wang, He Chen
The latest WiFi standard, IEEE 802.11ax (WiFi 6), introduces a novel uplink random access mechanism called uplink orthogonal frequency division multiple access-based random access…
cs.IT2024
Optimizing AoI at Query in Multiuser Wireless Uplink Networks: A Whittle Index Approach
Jingwei Liu, He Chen
In this paper, we explore how to schedule multiple users to optimize information freshness in a pull-based wireless network, where the status updates from users are requested by ra…
cs.NI2023
Fresh-Fi: Enhancing Information Freshness in Commodity WiFi Systems via Customizing Lower Layers
Zixiao Han, Qian Wang, He Chen
Enhancing information freshness in wireless networks has gained significant attention in recent years. To optimize or analyze information freshness, which is often characterized by…