About Me Publications Projects Patents Photos

I am currently an Associate Professor at College of Life Science and Technology, Huazhong University of Science and Technology. My research interest includes PET readout electronics, high performance reconfiguralbe hardware, ultra-fast signal sampling and processing, mobile sensing, deep learning, signal processing, embedded system design.

Publications

Junyi, Zhou; Pu, Henglin; Cao, Hangcheng; Cai, Chao; Guo, Peng; Jiang, Hongbo. "CORA: COntinuous RespirAtion Monitoring Using Analytical Signal Processing", in IEEE Transactions on Mobile Computing, 2024
Fei Wang, Jiawen Zhou, Ziyi Weng, Chao Cai, Qingguo Xie. "130+ps Coincident Time Resolution with 20mm Crystal Length Using 28 nm Xillinx FPGA", in IEEE Transactions on Radiation and Plasma Medical Sciences, 2024
Yetong Cao, Chao Cai, Fan Li, Zhe Chen, Jun Luo. "Enabling Passive User Auhentication via Heart Sounds on In-ear Microphones", in IEEE Transactions on Dependable and Secure Computing, 2024
Fei Wang, Ziyi Weng, Chao Cai, Menglan Hu, Qingguo Xie. "ParCha: A New Resource-efficient TDC with Salient Linearity Performance using Parallel Short Chains", in IEEE Transactions on Instrumentation and Measurement, 2024
Fei Wang, Jiawen Zhou, Chao Cai. "REMVT: A Resource-efficient Energy Characterization Method", in Automic Energy Science and Technology,2024
Fei Wang, Ziyi Weng, Chao Cai, Menglan Hu, Qingguo Xie, and Jun Luo. "TwinPop: A Resource-efficient and Highly Linear FPGA-based Time-to-Digital Converter", in IEEE Transactions on Instrumentation and Measurement, 2024
T. Zheng, Z. Chen, S. Ding, C. Cai, J. Luo. "Adv-4-Adv: Thwarting Changing Adversarial Perturbations via Adversarial Domain Adaptation" in Neurocomputing,2024
Henglin Pu, Xingqi Wu, Chao Cai. High-speed Hidden Aerial Acoustic Communication Exploiting the Whole Available Bandwidth, in IEEE ICC, 2024
K Peng, L Wang, J He, C Cai, M Hu. Joint Optimization of Service Deployment and Request Routing for Microservices in Mobile Edge Computing, in IEEE Transactions on Services Computing, 2024
C. Cai, R. Jin, J. Nie, J. Kang, Y. Zhang, J. Luo. Reliable High Throughput Aerial Acoustic Communication for Mobile Network, in IEEE Transactions on Vehicle Technology, 2023
C. Cai, F. Wang, Q. Xie, J. Luo. Peak Detector with An FPGA-only Solution for Multi-Channel Ultra-Fast Signals, in IEEE Transactions on Industrial Electronic, 2023
C. Cai, F. Wang, X. Chen, Z. Li, B. Qiu and Q. Xie, "High Count Rate Peak-Based PET Detector," in IEEE Transactions on Radiation and Plasma Medical Sciences, 2023
C. Cai, R. Jin, J. Nie, J. Kang, Y. Zhang and J. Luo, "PURE: Passive Multi-Person Identification Via Footstep for Mobile Service Networks," in IEEE Transactions on Vehicular Technology, 2023
Yetong Cao, Chao Cai, Anbo Yu, Fan Li, and Jun Luo. 2023. EarAcE: Empowering Versatile Acoustic Sensing via Earable Active Noise Cancellation Platform. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 2023.
Y Cao, C Cai, F Li, Z Chen, J Luo. "HeartPrint: Passive Heart Sounds Authentication Exploiting In-Ear Microphones", in IEEE INFOCOM,2023
Z Chen, T Zheng, C Cai, Y Gao, P Hu, J Luo. "Wider is Better? Contact-free Vibration Sensing via Different COTS-RF Technologies", in IEEE INFOCOM,2023
M Hu, M Xiao, Y Hu, C Cai, T Deng, K Peng. "Software Defined Multicast Using Segment Routing in LEO Satellite Networks", in IEEE Transactions on Mobile Computing,2022
H Cao, D Liu, H Jiang, C Cai, T Zheng, JCS Lui, J Luo, "HandKey: Knocking-triggered Robust Vibration Signature for Keyless Unlocking", in IEEE Transactions on Mobile Computing,2022
P Lv, J Han, J Nie, Y Zhang, J Xu, C Cai, Z Chen. "Cooperative Decision-Making of Connected and Autonomous Vehicles in an Emergency", in IEEE Transactions on Vehicle Technology ,2022
P Lv, W Xu, J Nie, Y Yuan, C Cai, Z Chen, J Xu. "Edge Computing Task Offloading for Environmental Perception of Autonomous Vehicles in 6G Networks", in IEEE Transactions on Network and Service Management,2022
M Hu, J Li, C Cai, T Deng, W Xu, Y Dong. "Software Defined Multicast for Large-scale Multi-layer LEO Satellite Networks", in IEEE Transactions on Network and Service Management,2022
M Hu, R Yang, Y Hu, C Cai, Y Dong, T Deng, K Peng. "QoS-Aware Software Defined Multicast in LEO Satellite Networks", in IEEE Transactions on Aerospace and Electronic Systems,2022
C. Cai, R. Zheng, J. Luo. "Ubiquitous Acoustic Sensing on Commodity IoT Devices: A Survey" in IEEE Communication Survey and Tutorials,2022
T. Zheng, C. Cai, Z. Chen, J. Luo. "Sound of Motion: Real-time Wrist Tracking with A Smart Watch-Phone Pair" in IEEE INFOCOM,2022
T. Zheng, Z. Chen, S. Ding, C. Cai, J. Luo. "Adv-4-Adv: Thwarting Changing Adversarial Perturbations via Adversarial Domain Adaptation" in Arxiv,2021
C. Cai, R. Jin, P. Wang, L. Ye, H. Jiang, J. Luo. "PURE: Passive mUlti-peRson idEntification via Deep Footstep Separation and Recognition" in Arxiv,2021
Z. Chen, T. Zheng, C. Cai, J. Luo. "MoVi-Fi: motion-robust vital signs waveform recovery via deep interpreted RF sensing," in ACM MobiCom,2021
T. Zheng, Z. Chen, S. Zhang, C. Cai, J. Luo. "MoRe-Fi: Motion-robust and Fine-grained Respiration Monitoring via Deep-Learning UWB Radar," in ACM SenSys,2021
C. Cai, H. Pu, L. Ye, H. Jiang, J. Luo. "Active Acoustic Sensing for “Hearing” Temperature under Acoustic Interference," in IEEE Transactions on Mobile Computing,2021
C. Cai, H. Pu, M. Hu, R. Zheng, J. Luo. "Acoustic Software Defined Platform: A Versatile Sensing and General Benchmarking Platform," in IEEE Transactions on Mobile Computing,2021
C. Cai, H. Pu, P. Wang, Z. Chen, J. Luo. "We Hear Your PACE: Passive Acoustic loCalization of multiple walking pErsons," in ACM UbiComp,2021
Z. Chen, C. Cai, T. Zheng, J. Luo, J. Xiong, X. Wang. "RF-Based Human Activity Recognition Using Signal Adapted Convolutional Neural Network," in IEEE Transactions on Mobile Computing,2021
C. Cai, Z. Chen, J. Luo, H. Pu, M. Hu, R. Zheng. "Boosting Chirp Signal Based Aerial Acoustic Communication under Dynamic Channel Conditions," in IEEE Transactions on Mobile Computing,2021
H. Pu, C. Cai, M. Hu, T. Deng, R. Zheng, J. Luo. "Towards Robust Multiple Blind Source Localization Using Source Separation and Beamforming," in Sensors,2021
R. Jin, C. Cai, T, Deng, Q, Li, R. Zheng, "MotionBeep Enabling Fitness Game for Collocated Players with Acoustic-enabled IoT Devices," in IEEE Internet of Things Journal,2021
C. Cai, Z. Chen, H. Pu, L. Ye, M. Hu, J. Luo, "AcuTe: Acoustic Thermometer Empowered by a Single Smartphone," in ACM Sensys,2020
C. Cai, H. Pu, M. Hu, R. Zheng, and J. Luo, "SST: Software Sonic Thermometer on Acoustic-enabled IoT Devices," in IEEE Transactions on Mobile Computing, doi: 10.1109/TMC.2020.2970902.
C. Cai, R. Zheng, J. Li, L. Zhu, H. Pu, and M. Hu, "Asynchronous Acoustic Localization and Tracking for Mobile Targets," in IEEE Internet of Things Journal, vol. 7, no. 2, pp. 830-845, Feb. 2020, doi: 10.1109/JIOT.2019.2945054.
C. Cai, M. Hu, D. Cao, X. Ma, Q. Li and J. Liu, "Self-Deployable Indoor Localization With Acoustic-Enabled IoT Devices Exploiting Participatory Sensing," in IEEE Internet of Things Journal, vol. 6, no. 3, pp. 5297-5311, June 2019, doi: 10.1109/JIOT.2019.2900524.
H. Pu, C. Cai, M. Hu, and R. Zheng. Non-contact thermal sensing on acoustic-enabled IoT devices. In ACM UbiComp/ISWC ’19 Adjunct. DOI:https://doi.org/10.1145/3341162.3343842
C. Cai, M. Hu, X. Ma, K. Peng and J. Liu, "Accurate Ranging on Acoustic-Enabled IoT Devices," in IEEE Internet of Things Journal, vol. 6, no. 2, pp. 3164-3174, April 2019, doi: 10.1109/JIOT.2018.2879371.
T. Zheng, Z. Chen, C. Cai, J. Luo, and X. Zhang. 2020. V2iFi: in-Vehicle Vital Sign Monitoring via Compact RF Sensing. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 4, 2, Article 70 (June 2020), 27 pages. DOI:https://doi.org/10.1145/3397321
C. Cai, C. Zhen, L. Jun, L. Zhu, M. Hu. (2020). HackMan: hacking commodity millimeter-wave hardware for a measurement study. Wireless Networks. 10.1007/s11276-020-02402-3.
C. Cai, X. Ma, M. Hu, Y. Yang, Z. Li, J. Liu. (2018). SAP: A Novel Stationary Peers Assisted Indoor Positioning System. IEEE Access. 6. 1-1. 10.1109/ACCESS.2018.2883800.
H. Jiang, C. Cai, X. Ma, Y. Yang and J. Liu, "Smart Home Based on WiFi Sensing: A Survey," in IEEE Access, vol. 6, pp. 13317-13325, 2018, doi: 10.1109/ACCESS.2018.2812887.
R. Shea et al., "Location-Based Augmented Reality With Pervasive Smartphone Sensors: Inside and Beyond Pokemon Go!," in IEEE Access, vol. 5, pp. 9619-9631, 2017, doi: 10.1109/ACCESS.2017.2696953.
K. Peng, M. Hu, C. Cai, X. Ma, Y. Yang and J. Liu, "On Simultaneous Power Replenishment for Wireless Sensor Networks With Multiple Portable Chargers," in IEEE Access, vol. 6, pp. 63120-63130, 2018, doi: 10.1109/ACCESS.2018.2876351.