5 papers
ISAC-Enabled Grant-Free Uplink via Artificial-Path Delay Modulation
Ruiqi Kong, He Chen
This paper proposes an integrated sensing and communication (ISAC)-enabled grant-free uplink framework based on artificial-path delay modulation. A grant-free user equipment (g-UE)…
Practical Cross-Band Channel Prediction for AI-RAN via Physics-Guided Deep Unfolding
Ruiqi Kong, He Chen, Xiaojun Lin
To make cross-band channel prediction practical for AI-native RAN, algorithms must generalize across diverse environments and support real-time inference. Existing approaches achie…
CSI-RFF: Leveraging Micro-Signals on CSI for RF Fingerprinting of Commodity WiFi
Ruiqi Kong, He Chen
This paper introduces CSI-RFF, a new framework that leverages micro-signals embedded within Channel State Information (CSI) curves to realize Radio-Frequency Fingerprinting of comm…
CIRSense: Rethinking WiFi Sensing with Channel Impulse Response
Ruiqi Kong, He Chen
WiFi sensing based on channel state information (CSI) collected from commodity WiFi devices has shown great potential across a wide range of applications, including vital sign moni…
Domino: Dominant Path-based Compensation for Hardware Impairments in Modern WiFi Sensing
Ruiqi Kong, He Chen
WiFi sensing faces a critical reliability challenge due to hardware-induced RF distortions, especially with modern, market-dominant WiFi cards supporting 802.11ac/ax protocols. The…