Daibo Liu
PhD, Associate Professor
PhD and master supervisor
School of Computer Science and Electronic Engineering & Hunan Proovince Key Lab of Trusted Systems and Networking
Hunan University
Email: dbliu@hnu.edu.cn, dbliu.sky@gmail.com
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I am looking for self-motivated students at all levels (including PostDoc., Ph.D., M.S., and Undergrad) to work with me. If you are interested in our research, please feel free to contact me (dbliu at hnu.edu.cn).
* Recruiting Ph.D. students and Master’s students for the Class of 2026.
[2025/10], Our paper on User Authentication with Out-Ear Microphones in COTS Earphones was accepted to IEEE Transactions on Mobile Computing.
Our paper on LLM-Based Agents for Efficient Traffic Accident Handling has been selected to be presented at ACM MobiCom 2025.
[2025/08], One paper on LLM-Based Agents for Efficient Traffic Accident Handling was accepted to ACM Transactions on Internet of Things.
Invitation to serve as PC member for IEEE ICPADS 2025.
[2025/07], Our paper "Amulet: Integrating Sensitive Information Access with Identity Authentication on Mobile Devices" was accepted to ACM IMWUT/UbiComp 2025
[2025/04], One paper on Black-box Keystroke Inference Attacks to Mobile Devices was accepted to ACM IMWUT/UbiComp 2025
[2024/12], One paper was accepted to IEEE ICASSP 2025.
TPC member for IEEE DySPAN 2025
[2024/10], One paper "Measurement Study of DNS Query Protocols in Mobile Networks" was accepted to IEEE MSN 2024.
[2024/09], One paper on POS Terminal Passwords Eavesdropping with WiFi Beamforming Feedback was accepted to IEEE Transactions on Mobile Computing.
TPC member for IFIP NPC 2024
[2024/08], Our paper "EM-Rhythm" on Heterogeneous IoT Devices Authentication was accepted to ACM Transactions on Sensor Networks.
[2024/08], our paper "GPSBuster" on Hidden GPS Tracker Detection was accepted to ACM CCS 2024.
[2024/07], one paper on EMR-based Drone Detection was conditioally accepted to IEEE Transactions on Intelligent Transportation Systems.
Invitation to serve as TPC member for IEEE ICPADS 2024.
[2024/06], one paper on Video Streaming QoE Optimization was accepted to IEEE Transactions on Mobile Computing.
[2024/05], Our paper on Energy Consumption Optimization for Mobile Video Streaminng was accepted to ACM Transactions on Sensor Networks.
Invitation to serve as TPC member for IEEE MSN 2024.
[2024/05],our paper "DEyeAuth" on User Authentication with Eyelid Patterns was accepted to IEEE Internet of Things Journal.
[2024/05], Our paper named "WiShield: Privacy against Wi-Fi Human Tracking" was accepted to IEEE Journal on Selected Areas in Communications (IEEE JSAC).
[2024/04], Our work ESauron, published at USENIX Security 2024, was reported by Hunan University News (Link1 Link2 )
[2024/02], our work on measurement of Android App Crashes was accepted to ACM Transactions on Sensor Networks.
[2024/02], one paper on Passive Vibration-based Two-factor Authetication for smart locks was accepted to IEEE Transactions on Mobile Computing.
[2024/01], our work ESauron on Hidden Spy Cameras Detection was accepted to USENIX Security 2024, Congratulate to Qibo and all co-authors.
Research Interests
Research Interests
Low power communication systems and edge computing, Mobile sensing, Artificial intelligence of things (AIOT) ...
with applications to motion tracking, wearables, IoT, localization, drones, data analytics, acoustics, video streaming ...
Biography
Biography
Daibo Liu is currently a Yuelu Associate Professor at the College of Computer Science and Electronic Engineering in Hunan University. Prior to joining Hunan University, he was a Research Associate with the Department of Electrical & Computer Engineering at the UW-Madison. He received his PhD from the Department of Computer Science and Engineering at the University of Electronic Science and Technology of China (UESTC) in July 2018. He was also a Visiting Research Fellow at the Department of Software in Tsinghua University from 2014 to 2016. He joined in Hunan University as a faculty member in Mar., 2019. He leads the Sensing & Networking Systems (SenetSys) research group. His current research interests include IoT systems and networks, edge computing, wireless and mobile computing.
Journal Articles
Journal Articles
[ACM TOSN] D.B Liu*, Z.C. Cao, , H.B. Jiang, S.W. Zhou, Z. Xiao, F.Z. Zeng, Concurrent Low Power Listening: A New Design Paradigm for Duty-Cycling Communication, ACM Transactions on Sensor Networks,
[IEEE TMC] H. Cao, D.B. Liu*, H. Jiang, C. Cai, J. Lui, and J. Luo, HandKey: Knocking-triggered Robust Vibration Signature for Keyless Unlocking. IEEE Transactions on Mobile Computing.
[IEEE TMC] H. Cao, D.B. Liu*, et al, MagSign: Harnessing Dynamic Magnetism for User Authentication on IoT Devices. IEEE Transactions on Mobile Computing.
[ACM TMC] D.B. Liu, H. Lu, X.M. Qi, H.G. Rong, H.W. Chen, H.B. Jiang, Decoding Air Friction Rhythms: Enabling User Identification with Out-Ear Microphones in COTS Earphones., IEEE Transactions on Mobile Computing.
[IEEE/ACM TON] Z.C. Cao, J.L. Wang, D.B. Liu, Q. Ma, X. Miao, X.F. Mao. Chase++: Fountain-Enabled Fast Flooding in Asynchronous Duty Cycle Networks, IEEE/ACM Transactions on Networking, 29(1): 410-422 (2021). [PDF] [BibTex]
[ACM TOSN] D.B. Liu, Z.C. Cao, M.S. Hou, H.G. Rong, H.B. Jiang, Pushing the Limits of Transmission Concurrency for Low Power Wireless Networks, ACM Transactions on Sensor Networks, 16(4): 40:1-40:29 (2020). [PDF] [BibTex]
[ACM TOSN] D.B. Liu, Z.C. Cao, Y. He, X.Y. Ji, M.S. Hou, Exploiting Concurrency for Opportunistic Forwarding in Duty-cycled IoT Networks, ACM Transactions on Sensor Networks, 15(3): 31:1-31:33 (2019). [PDF] [BibTex]
[IEEE/ACM TON] Z.C. Cao, D.B. Liu*, J.L. Wang, X.L. Zheng, Chase: Taming Concurrent Broadcast for Flooding in Asynchronous Duty Cycle Networks, IEEE/ACM Transactions on Networking, 25(5): 2872-2885 (2017). [PDF] [BibTex]
[IEEE/ACM TON] D.B. Liu, Z.C. Cao, Y. Zhang, M.S. Hou. Achieving Accurate and Real-Time Link Estimation in Low Power Wireless Sensor Networks, IEEE/ACM Transactions on Networking, 16(3): 787-800 (2017). [PDF] [BibTex]
[IEEE/ACM TON] D.B. Liu, M.S. Hou, Z.C. Cao, J.L. Wang, Y. He, Y.H. Liu. Duplicate Detectable Opportunistic Forwarding in Duty-Cycled Wireless Sensor Networks, IEEE/ACM Transactions on Networking, 24(2): 662-673 (2016). [PDF] [BibTex]
Conference Papers
Conference Papers
[ACM IMWUT/UbiComp'25] Daibo Liu, Y.P. Feng, B.X. Liu, T.Y. Zhang, H.W. Chen, M.J. Cai. Amulet: Integrating Sensitive Information Access with Identity Authentication on Mobile Devices. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol (ACM IMWUT/UbiComp). 9(3): 112:1-112:29 (2025).
[ACM IMWUT/UbiComp'25] Y.P. Feng, Daibo Liu*, W.Q. Jin, L.Y. Gong. KeyPrint:Practical Black-box Keystroke Inference Attacks to Mobile Devices. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol (ACM IMWUT/UbiComp). 9(2): 39:1-39:31 (2025).
[USENIX Security'24] Q.B. Zhang, Daibo Liu*, X.Y. Zhanng, Z.C. Cao, F.Z. Zeng, H.B. Jiang, W.Q. Jin. Eye of Sauron: Long-Range Hidden Spy Camera Detection and Positioning with Inbuilt Memory EM Radiation. Proceedings of The 33rd USENIX Security Symposium (USENIX Security), Philadelphia, PA, USA, August 2024.
[ACM CCS'24] Y. Li, W.Q. Jin, Z.Y. Ning, Daibo Liu, Z.X. Yan, Z. Qin, Y. Liu, H.D. Zhu , M. Li. GPSBuster: Busting out Hidden GPS Trackers via MSoC Electromagnetic Radiations. Proceedings of ACM Conference on Computer and Communications Security (ACM CCS), 2024.
[INFOCOM'24] S. Chen, H. Jiang, J. Hu, Z. Xiao, and Daibo Liu*. Silent Thief: Password Eavesdropping Leveraging Wi-Fi Beamforming Feedback from POS Terminal. In Proceedings of Annual IEEE Conference on Computer Communications (INFOCOM), Vancouver, Canada, 20--23 May 2024.
[NDSS'24] H.L. Chen,W.Q. Jin，Y.P. Hu, Z.Y. Ning, K.L. Li, Z. Qin, M.X. Duan, Y. Xie, Daibo Liu, M. Li. Eavesdropping on Black-box Mobile Devices via Audio Amplifier's EMR, Proceedings of The Network and Distributed System Security Symposium (NDSS), San Diego, CA, February, 2024
[ACM IMWUT/Ubicomp'22] W.G. Su, Daibo Liu*, T.Y. Zhang, H.B. Jiang, Towards Device Independent Eavesdropping on Telephone Conversations with Built-in Accelerometer, Accepted to ACM IMWUT/Ubicomp 2022.
[ACM IMWUT/Ubicomp'21] J.Y. Hu, H.B. Jiang, Daibo Liu*, J. Xiong, DriverSonar: Fine-Grained Dangerous Driving Detection Using Active Sonar, Accepted to ACM IMWUT/Ubicomp 2021. [PDF] [BibTex] [Slides]
[ACM IMWUT/Ubicomp'20] H.B. Jiang, H.C. Cao, Daibo Liu*, J. Xiong, Z.C. Cao, SmileAuth: Using Dental Edge Biometrics for User Authentication on Smartphones, ACM IMWUT/Ubicomp 2020. [PDF] [BibTex] [Slides] CACM News
Professional Activities
Professional Activities
Journal Reviewer
Journal Reviewer
IEEE Transactions on Mobile Computing (TMC)
IEEE/ACM Transactions on Networking (TON)
ACM Transactions on Sensor Network (TOSN)
IEEE Transactions on Vehicular Technology (TVT)
IEEE Transactions on Industrial Informatics (TII)
Ad Hoc Sensor & Wireless Networks
IEEE Internet of Things Journal (IOT-J)
ACM Transactions on Cyber-Physical Systems (TCPS)
ACM Computing Surveys
EURASIP Journal on Wireless Communications and Networking
International Journal of Distributed Sensor Networks (IJDSN)
Future Generation Computer Systems
Publicity Chair
Publicity Chair
EAI ICECI 2020
Technical Programme Committee
Technical Programme Committee
CloudNet 2014
ACCSE 2017, 2018
IEEE DySpan 2019, 2024
IEEE ICDCS 2021, 2022, 2023
ACM CHI 2021
ACM IMWUT 2022
ICPADS 2022, 2023
MSN 2023
Grants
Grants
PI, Research on Key Technologies for Detecting Covert Devices in Physical Spaces for User Privacy Security, NSFC Grant No. 62572183.
PI, Key Technology Research on Interaction-Driven Finger Vibrations for Cross-Devices User Authentication, NSFC Grant No. 62372166.
PI, Towards the Research on Key Technologies of Concurrent Media Access without Scheduling in Low Power Wireless Networks, NSFC Grant No. 61902122.
PI, Huawei Technology Cooperation Project, Wireless Sensing-Based User Physical Space Security Monitoring Technology.
PI, Huawei Technology Cooperation Project, Hybrid-Criticality Multi-Core Multi-DAG Scheduling Technology Driven by Power Consumption and Latency.
PI, Research on Key Technologies of Concurrent Opportunistic Forwarding Protocol in Low Power Wireless Networks, Hunan Provincial Natural Science Foundation, No. 2020JJ5089.
PI, Wireless Transmission Key Technologies, CSEE School Science Foundation for Distinguished Young Scholars, 2018.1~2021.12.
PI, Low Power Wireless Technologies for the IoT, Fundamental Research Funds for the Central Universities, 2020.01~2020.12.
Misc
Misc
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