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Liang He
University of Nebraska Lincoln
Liang He
- Associate Professor
- School of Computing
- University of Nebraska Lincoln
Liang He
I'm an associate professor at University of Nebraska Lincoln (UNL). My research focuses on cyber-physical systems (CPS) and internet-of-things (IoT), with applications to batteries, vehicles, and industrial control systems. Before joining UNL, I worked as an assistant professor at University of Colorado Denver (2017-2024), research fellow at University of Michigan (2015-2017), and research scientist at Singapore University of Technology & Design (2012-2014). I co-founded Batteries beyond Batteries (BBB).
Contact Me
The best way to reach is through my email at: lhe20@unl.edu, or just stop by my office at AVH 104B.
News and Announcements
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10/2025One paper is accepted by IEEE TIFS.
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06/2025We received the Best Artifact Honorable Mention Award at ACM MobiSys'25.
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05/2025I will be returning to U. of Michigan as a visiting faculty in June 2025.
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04/2025One paper is accepted by ACM MobiSys'25.
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03/2025One proposal is funded by Nebraska SBIR.
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12/2024One paper is accepted by ACM HotMobile'25.
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08/2024Joined the School of Computing at University of Nebraska Lincoln.
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07/2024One paper is accepted by IEEE TDSC.
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07/2024One paper is accepted by IEEE TVT.
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06/2024One paper is accepted by RAID'24.
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04/2024Congratulations to Adarsh Thoke, who have been awarded the Graduate Education Distinguished Master’s Capstone Award of CU-Denver.
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04/2024Additional congratulations to Anh Tran, who have been awarded the 2024 Outstanding Graduates of the Engineering College.
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04/2024Promotion to associate professor and award of tenure are approved by CU-Denver Board of Regents.
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04/2024Congratulations to Daniel Rodriguez and Anh Tran, who have been awarded the 2024 Outstanding Graduates of the CSE Department.
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3/2024Presented our work at Destination Startup Showcase 2024.
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3/2024One paper is accepted by IEEE TDSC.
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2/2024Recieved the Early Career Award for Excellence in Research (CEDC@CU-Devner).
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1/2024Presented our work at Boulder New Tech.
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12/2023A book chapter in "AI Embedded Assurance for Cyber Systems" is published by Springer.
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12/2023Presented our work at University of Cambridge.
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12/2023Congratulations to Nathan Maas, who has been awarded the 2023 Outstanding Graduate of the CSE Department (BS Category).
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11/2023Presented our work at University of Michigan.
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08/2023One proposal is funded by NSF.
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07/2023Congratulations to Hojun Choi, who has been awarded the Chancellor Scholarship.
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06/2023V-Health is selected as one of the best paper candidates of ACM e-Energy'23.
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06/2023One proposal is funded by NSF.
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06/2023One point-of-view article on battery-enabled cybersecurity management system is accepted by Proceedings of the IEEE.
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04/2023One proposal is funded by NSF.
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04/2023Congratulations to John Marinelli, who has been awarded the 2023 Outstanding Graduate of the CSE Department (Graduate Category).
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02/2023Joined the Advisory Reviewer Board of NETL@DoE.
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10/2022One paper on reverse engineering PLC code is accepted by ACM SenSys'22.
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10/2022Joined the editorial board of IEEE Transactions on Vehicular Technology.
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09/2022Batteries Beyond Batteries is incorporated.
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09/2022One proposal is funded by NSF.
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05/2022Congratulations to John Pace, who has been awarded the 2022 Outstanding Graduate of the Engineering College (Graduate Category).
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05/2022Congratulations to Dennis Mills, who has been awarded the 2022 Outstanding Graduate of the CSE Department (Undergraduate Category).
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04/2022One proposal is funded by Colorado OEDIT.
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04/2022One paper on vehicle immobilization is accepted by ACM MobiSys'22.
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03/2022One proposal is funded by NASA.
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11/2021We won the Lab Venture Challenge 2021!
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10/2021University Nominee for The Blavatnik National Awards for Young Scientists.
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10/2021One paper on vehicle diagnostics is accepted by IEEE TMC.
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04/2021One proposal is funded by NASA.
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06/2021Received Lewis Family Innovation Award.
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06/2021Invited paper on batteries-as-sensors is published by ACM GetMobile.
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02/2021One paper on robot diagnostics is accepted by IEEE TMC.
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10/2020One paper on driver authentication is accepted by ACM UbiComp'21.
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10/2020One paper on robot diagnostics is accepted by ACM SenSys'20.
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08/2020Recieved CRC fellowship from CU-Denver.
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05/2020One paper on ICS diagnostics is accepted by RAID'20.
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05/2020Congratulations to Rhys Butler, who has been awarded the Chancellor Scholarship.
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03/2020One paper on battery management is accepted by ACM MobiSys'20.
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02/2020One paper on vehicle localization is accepted by ACM/IEEE IPSN'20.
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02/2020Received the Young Upwardly Mobile Professor Award.
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02/2020One paper on WiFi fingerprinting is accepted by ACM/IEEE ICCPS'20.
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01/2020One paper on batteries-as-thermometers is accepted by ACM UbiComp'20.
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01/2019One paper on battery management is accepted by ACM/IEEE ICCPS'19.
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11/2018One paper on vehicle diagnostics is accepted by ACM MobiCom'19.
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10/2018One paper on battery management is accepted by ACM TOSN.
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01/2018One paper on WiFi fingerprinting is accepted by IEEE TMC.
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08/2017One proposal is funded by NSF.
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04/2017One paper on battery management is accepted by ACM MobiSys'17.
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03/2017One paper on battery management is accepted by IEEE TMC.
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01/2017One paper on battery management is accepted by ACM/IEEE ICCPS'17.
Research
My research focues on cyber-physical systems and Internet-of-Things, such as energy/power systems and ground/space vehicles. We exploit methodologies such as physical modeling and data analytics to diagnose/predict/optimize system performance. In the past, I made research contributions to mobile computing as well as wireless communications and networks.
Please click on each project to find more details.
- Cyber-physical and IoT systems
- Mobile computing and systems
- Cognitive battery management
Research Projects
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Batteries as Sensors and Actuators
Exploiting batteries as a physical channel to achieve secure and reliable system monitoring and control.
Related Publications: B-CSMS@Proc. of IEEE, Bleuth@MobiSys'22, BAuth@UbiComp'21, BaT@UbiComp'20, BDiag@MobiCom'19.
Supported by: NSF-2336145, NSF-2245223 & 2245224, OEDIT-2022-2453.
Media Coverage (non-exclusive): Automotive News, 9NEWS, WXYZ (ABC).
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Cyber-Physical System Diagnostics
Diagnosing complex systems by exploiting their physical behaviors in the cyber space.
Related Publications: ARES@SenSys'22, BDAV@PHM'22, PIDS@SenSys'20, BPM@MobiSys'20, PLC-Sleuth@RAID'20, AuF@ICCPS'20, BDiag@MobiCom'19.
Supported by: NSF-2231759, NSF-2151374, NASA-80NSSC22CA144, NASA-80NSSC21C0356.
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Relaxation-Aware Battery Management
Resting batteries to improve their performance in reliability, capacity, and lifetime.
Related Publications: V-Health@e-Energy'23, EA-SoC@ICCPS'19, ChargingDiagnosis@e-Energy'19, iCharge@MobiSys'17, B-BASH@ICCPS'17, *-Aware@ICCPS'16.
Supported by: NSF-1739577.
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Reconfigurable Battery Packs
Actively adjusting the connectivity among battery cells in large battery packs.
Related Publications: RTSS'16, e-Energy'16, ICCPS'15, ICCPS'14, RTSS'13.
Supported by: NSF-1446117.
Publications
Below is a list of my selected publications.
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EffVR: Enhancing Energy and Computation Efficiency of Mobile Virtual Reality
RheelPower: Advancing Automotive IoT via Non-Invasive Power Generation from Rotating Vehicle Wheels
Deception-Resistant Stochastic Manufacturing for Automated Production Lines
T-IDS: A Thermal-Model-based Intrusion Detection System for Wind Turbines
A Reusable Framework for Fault Detection and Isolation in Small Satellites
Fingerprinting Battery Health Using Relaxing Voltages
Reverse Engineering Physical Semantics of PLC Program Variables Using Control Invariants
Unsupervised Anomaly Detection using Batteries in eVTOL Vehicle Propulsion Test Bed
Battery-Enabled Anti-Theft Vehicle Immobilizer
Authenticating Drivers Using Automotive Batteries
Detecting Replay Attacks against Industrial Robots via Power Fingerprinting
Mobile Device Batteries as Thermometers
PLC-Sleuth: Detecting and Localizing PLC Intrusions Using Control Invariants
Causes and Fixes of Unexpected Phone Shutoffs
VLD: Smartphone–assisted Vertical Location Detection for Vehicles in Urban Environments
Autonomous WiFi Fingerprinting for Indoor Localization
Online Concurrent Transmissions at LoRa Gateway
Diagnosing Vehicles with Automotive Batteries
mLoRa: Multiple Packets Reception Protocol for LoRa Communications
An Intelligent Phase Identification and Frequency Adjustment Framework for Time-Sensitive Mobile Computing
Environment-Aware Estimation of Battery State-of-Charge for Mobile Devices
Adaptive Battery Diagnosis/Prognosis for Efficient Operation.
Faulty Location Data Detection in Crowdsourcing: A Compressive Sensing Approach
iCharge: User-Interactive Charging of Mobile Devices
Mrs.Z: Improving ZigBee Throughput via Multi-Rate Transmission
Battery State-of-Health Estimation for Mobile Devices
Offline Guarantee and Online Management of Power Demand and Supply in Cyber-Physical Systems
Resting Weak Cells to Improve Battery Packs' Capacity Delivery via Reconfiguration.
∗-Aware Charging of Lithium-ion Battery Cells
Privacy-Preserving Compressive Sensing for Crowdsensing based Trajectory Recovery
SHARE: SoH-Aware Reconfiguration to Enhance Deliverable Capacity of Large-Scale Battery Packs
Exploiting Sender-based Link Correlation in Wireless Sensor Networks
ESync: An Energy Synchronized Charging Protocol for Rechargeable Wireless Sensor Networks
Reconfiguration-Assisted Charging in Large-Scale Lithium-ion Battery Systems
Mobile-to-Mobile Energy Replenishment in Mission-Critical Robotic Sensor Networks
A Parallel Identification Protocol for RFID Systems
Exploring Adaptive Reconfiguration to Optimize Energy Efficiency in Large-Scale Battery Systems
Evaluating Service Disciplines for Mobile Elements in Wireless Ad Hoc Sensor Networks
ADIS: Detecting and Identifying Manipulated PLC Program Variables Using State-Aware Dependency Graph
An Intrusion Detection System for Wind Turbines based on Thermal Models
Unveiling Physical Semantics of PLC Variables Using Control Invariants
Mismatched Control and Monitoring Frequencies: Vulnerability, Attack, and Mitigation
Temperature-aware charging strategy for lithium-ion batteries with adaptive current sequences in cold environments.
Rethink Physical Security: Protecting Vehicles via Battery-enabled Sensing and Control.
CORMAND2: A Deception Attack against Industrial Robots.
R-tracing: Consortium Blockchain-based Vehicle Reputation Management for Resistance to Malicious Attacks and Selfish Behaviors.
Security of Industrial Robots: Vulnerabilities, Attacks, and Mitigations
Detecting PLC Intrusions Using Control Invariants.
Detecting Engine Anomalies Using Batteries
Fingerprinting Movements of Industrial Robots for Replay Attack Detection
Using Mobile Device Batteries as Thermometers
Power Guarantee for Electric Systems Using Real-Time Scheduling
Pinning-Based Switching Control of Cyber-Physical Supercapacitor Energy Storage Systems
An Active Mobile Charging and Data Collection Framework for Clustered Sensor Networks
PPM: Preamble and Postamble Based Multi-Packet Reception for Green ZigBee Communication
Multi-Rate Selection in ZigBee
A General Analysis Framework for Soft Real-Time Tasks
Extending Battery System Operation via Adaptive Reconfiguration
SoH-Aware Charging of Supercapacitors with Energy Efficiency Maximization
SoH-Aware Reconfiguration in Battery Packs
Low-Overhead WiFi Fingerprinting
Transmit Power Control for D2D Underlaid Cellular Networks Based on Statistical Features
A Case Study on Improving Capacity Delivery of Battery Packs via Reconfiguration
Battery-Aware Mobile Data Service
ESync: Energy Synchronized Mobile Charging in Rechargeable Wireless Sensor Networks
RAC: Reconfiguration-Assisted Charging in Large-Scale Lithium-ion Battery Systems
Evaluating the On-Demand Mobile Charging in Wireless Sensor Networks
Design of a Mobile Charging Service for Electric Vehicles in an Urban Environment
Temperature-Assisted Clock Synchronization and Self-Calibration for Sensor Networks
Opportunistic Flooding in Low-Duty-Cycle Wireless Sensor Networks with Unreliable Links
Achieving Energy Synchronized Communication in Energy-Harvesting Wireless Sensor Networks
Evaluating Service Disciplines for On-Demand Mobile Data Collection in Sensor Networks
A Progressive Approach to Reducing Data Collection Latency in Wireless Sensor Networks with Mobile Elements
Demo: Protecting Electric Scooters from Thefts Using Batteries
Poster: Battery-Enabled Vehicle Immobilizer
Diagnosing PLC Using Control Invariants
Estimating Altitude of Drones Using Batteries
Charge My Phone As I Instruct
Robust and undemanding wifi-fingerprint based indoor localization with independent access pointst
An Energy Synchronized Charging Protocol for Rechargeable Wireless Sensor Networks
Reconfiguration-based Energy Optimization in Battery Systems: a Testbed Prototype
Exploring Smartphone-based Participatory Computing to Improve Pervasive Surveillance
Energy Synchronized Charging in Sensor Networks
Students
I work closely with students of cross-discipline backgrounds.
Graduate Research Assistants
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- Anh Tran, School of Computing, since 2024
- Hojun Choi, School of Computing, since 2023 (Chancellor Scholarship 2023)
- Matthew Michaelis, CSE, since 2023 (EL of our NSF I-Corps team)
- Adarsh Thoke, CSE, since 2023
- Noorul Husssain Shaik, CSE, 2023
- John Marinelli, CSE, 2022-2023 (Outstanding Graduate of CSE Department)
- Keshav Miglani, CSE, 2022
- Samuel Wozinski, CSE, 2021-2022
- John Pace, CSE, 2020-2022 (Outstanding Graduate of Engineering College)
- Yiqin Wang, CSE, 2020-2021
- Debajit Kumar Sandilya, CSE, 2018-2020
- Aishwarya Mulkalwar, CSE, 2018-2019
Undergraduate Research Assistants
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- Brayden Hemje, ME, since 2025
- Luther Busching, ME, since 2024
- Kaden Wangen, School of Computing, since 2024
- Ngoc Que Anh Tran, CSE, 2023-2024 (Outstanding Graduate of CSE Department)
- Daniel Rodriguez, CSE, 2023-2024 (Outstanding Graduate of CSE Department)
- Nathan Maas, CSE, since 2023 (Outstanding Graduate of CSE Department)
- Dennis Mills, CSE, Spring 2022 (Outstanding Graduate of CSE Department)
- John Pace, CSE, 2019-2020
- Andrew Gras, EE, 2018-2019
- Zachary Nye, EE, 2019
- Kevin Macfarlane, CSE, 2018-2019
- Devin Piner, CSE, 2018-2019
- Aaron Zapiler, ME, 2018
Professional Services
TPC Member
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- 2022: e-Energy, VTC, ICPADS
- 2021: IoTDI, VTC, ICPADS
- 2020: RTCSA, ICCCN, MASS
- 2019: ICPADS, MASS, WCNC, ICNC, ICC, ICCCN, ICME, RCAR, EWSN-Poster
- 2018: ICCPS, GLOBECOM, ICNC, DSCT, VTC2018-Spring, VTC2018-Fall, ICC, MiSeNet, SNTA, WASA, CYBER
- 2017: GLOBECOM, RTAS-Demo, ICC, NAS, ICNC, MiSeNet, GLOBECOM-CQRM, NaNA, ICCC Workshops
- 2016: GLOBECOM, ICNC, NaNA, ICCVE
- 2015: ICNC, ICCVE, ICCC, IoT, E2IoT
- 2014: VTC2014-Fall, WCSP, ICNC, QShine, ICCC, IoT, ICCVE
- 2013: GLOBECOM, WCSP, ICNC, ICCC, ICCVE
- 2012: WiSARN 2012-Spring
Organizing Committee Membership
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- Regional Program Chair, The 8th Annual IEEE Int. Conf. on CYBER Technology in Automation, Control, and Intelligent Systems (IEEE-CYBER 2018)
- Publicity Co-Chair, The 7th International Workshop on Wireless Sensor, Actuator and Robot Networks (WiSARN 2013-SPRING)
- Publicity Co-Chair, The 6th International Workshop on Wireless Sensor, Actuator and Robot Networks (WiSARN 2012-Fall)
Editorship
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- Guest Editor: Concurrency and Computation: Practice and Experience
Notes to Prospective Students
- We publish papers, but papers are by no means the most important outcomes of your training or research.
- The #1 technical skill you want to master is the ability to identify and solve a problem that excites both yourself and others. For use/application-driven research, it would be even more advantageous if the problem holds practical value.
- Even more important than the technical skills, the primary objective of your training is to develop the capacity to optimistically navigate an immensely stressful process, such as a PhD, and derive enjoyment from it.
- To successfully undertake the training outlined in items 2 and 3, you must be motivated to push your boundaries by submitting your best work to the most competitive venues for potential publication, and then we circle back to item 1.
- Researchers often collaborate, but it's crucial for students to be trained in a way that equips them to independently complete a project.