All Stories

  1. From Signal-based to Impedance-based Sensing: A paradigm Shift for Plug-and-Play, Mobile, and Sensitive Battery-free Sensing

    Article • November 2025, ACM (Association for Computing Machinery)

    Liyao Li

  2. Enabling Over-the-Air AI for Edge Computing via Metasurface-Driven Physical Neural Networks

    Article • August 2025, ACM (Association for Computing Machinery)

    Liyao Li

  3. Pushing the Throughput Limit of OFDM-based Wi-Fi Backscatter Communication

    Article • December 2024, ACM (Association for Computing Machinery)

    Liyao Li

  4. Hydra: Attacking OFDM-base Communication System via Metasurfaces Generated Frequency Harmonics

    Article • December 2024, ACM (Association for Computing Machinery)

    Liyao Li

  5. Hornbill: A Portable, Touchless, and Battery-Free Electrochemical Bio-tag for Multi-pesticide Detection

    Article • December 2024, ACM (Association for Computing Machinery)

    Liyao Li

  6. WaveFlex: A Smart Surface for Private 5G CBRS Networks

    Article • Proceedings of the ACM on Networking, November 2024, ACM (Association for Computing Machinery)

    Fan Yi, Liyao Li, Kun Woo Cho

  7. Athena: Seeing and Mitigating Wireless Impact on Video Conferencing and Beyond

    Article • November 2024, ACM (Association for Computing Machinery)

    Fan Yi, Liyao Li, Haoran Wan, Oliver Michel

  8. REHSense: Towards Battery-Free Wireless Sensing via Radio Frequency Energy Harvesting

    Article • October 2024, ACM (Association for Computing Machinery)

    Tao Ni, Mingda Han, Liyao Li

  9. Face Recognition In Harsh Conditions: An Acoustic Based Approach

    Article • June 2024, ACM (Association for Computing Machinery)

    Liyao Li

  10. Waffle

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, December 2023, ACM (Association for Computing Machinery)

    Liyao Li, Duo Zhang

  11. LoCal

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, December 2023, ACM (Association for Computing Machinery)

    Duo Zhang, Liyao Li

  12. Fusang: Graph-inspired Robust and Accurate Object Recognition on Commodity mmWave Devices

    Article • June 2023, ACM (Association for Computing Machinery)

    Liyao Li

  13. Falls worthy of detection and detection methods based on mmWave radar

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, March 2023, ACM (Association for Computing Machinery)

    Liyao Li, Duo Zhang

  14. SiFall

    Article • November 2022, ACM (Association for Computing Machinery)

    Liyao Li

  15. LTE-Based Low-Cost and Low-Power Soil Moisture Sensing

    Article • November 2022, ACM (Association for Computing Machinery)

    Liyao Li

  16. A new type of low-cost eye movement detection system using contact lens.

    Article • October 2022, ACM (Association for Computing Machinery)

    Liyao Li