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xinliulab/README.md

Xin Liu

Xin Liu headshot

Assistant Professor, Department of Computer Science, Florida State University
Director of XL-Stack Lab

Website | Google Scholar | GitHub | LinkedIn

I lead XL-Stack Lab, where we build research prototypes across wireless sensing, backscatter communication, physical-layer security, integrated sensing and communication, RAN systems, and foundation-model-assisted networking.

Our long-term goal is to connect NextG wireless networks, cyber-physical systems, and Physical AI through reproducible systems, measurements, and code.

About Me

  • Assistant Professor at Florida State University.
  • Former Postdoctoral Scholar at the NSF AI-EDGE Institute, The Ohio State University.
  • Ph.D. from University of Maryland, Baltimore County, advised by Prof. Ting Zhu.
  • Research background: wireless communication, networking, sensing, security, and machine-learning-enabled networks.
  • Engineering background: high-precision measurement instruments, high-speed and high-power circuits, embedded systems, MCUs, FPGAs, DSPs, ARMs, sensors, lasers, and motor/mechanical control.

Research Code

Project Paper / Area Code
2FiA IEEE S&P 2026; WiFi sensing-based human authentication with unique physiological biometrics, combining respiration and heartbeat Zenodo Artifact
0Cal SenSys 2026; zero-calibration sensing/scanning system for millimeter-wave calibration 26SenSys_0cal
O-JRC Computer Networks 2025; open-source mmWave MIMO-OFDM joint radar-communication experimentation platform O-JRC
FTP INFOCOM 2024; millimeter-wave networking and beam training 24InfoCom_FTP
LightThief USENIX Security 2023; optical communication security and encoded-light backscatter 23Security_LightThief
TScatter NSDI 2021; WiFi, OFDM, backscatter, 802.11n 21NSDI_TScatter
VMscatter NSDI 2020; WiFi, MIMO, backscatter, OFDM, 802.11n 20NSDI_VMscatter

Research Interests

  • Backscatter communication and sensing
  • Visible-light communication and optical wireless security
  • Integrated sensing and communication
  • NextG wireless networks and RAN intelligence
  • Physical-layer security
  • Cyber-physical systems and Physical AI
  • Foundation models for networked systems
  • Reproducible systems research

Teaching

Course Materials Link
Operating Systems FSU-COP4610-Operating-Systems
Computer Security FSU-CIS5370-Computer-Security
Future Edge Networks FSU-CIS4930-CIS5930-Future-Edge-Networks

Contact

  • Email: xliu15 [at] fsu [dot] edu
  • Office: Love Building, Room 160
  • Address: Department of Computer Science, Florida State University

For publications, students, news, and CV, please visit xinliulab.github.io.

Pinned Loading

  1. FSU-COP4610-Operating-Systems FSU-COP4610-Operating-Systems Public template

    This repository contains demonstration code for the COP4610 Operating Systems course at Florida State University (FSU).

    HTML 7

  2. 20NSDI_VMscatter 20NSDI_VMscatter Public template

    MATLAB implementation and reproducible 802.11n HT simulations for VMscatter (NSDI 2020), including PoC decoding and 2×2×2/2×4×4 reliability and high throughput evaluation.

    MATLAB 4

  3. 21NSDI_TScatter 21NSDI_TScatter Public template

    MATLAB simulations for TScatter (NSDI'21): OFDM backscatter PoC and 802.11n HT SISO packet-level models.

    MATLAB 2 1

  4. 23Security_LightThief 23Security_LightThief Public

    MATLAB simulation for LightThief (USENIX Security 2023): encoded-light backscatter simulation and sine-wave reflection demo.

    MATLAB 1

  5. 26SenSys_0cal 26SenSys_0cal Public

    Research code release for 0cal (SenSys 2026).

    MATLAB 1

  6. mmWave-MIMO-Testbed/O-JRC mmWave-MIMO-Testbed/O-JRC Public

    C++ 6 1