Ph.D. Candidate in Computer Science
The Hong Kong Polytechnic University
I build wireless systems that improve connectivity and support autonomous operations in challenging environments. My research spans wireless protocol design, UAV communication and navigation, and satellite IoT, combining system design with real-world experimentation.
Interference-tolerant communication, spatial reuse, and scalable IoT connectivity.
Reliable cellular connectivity for UAV operations and infrastructure-assisted navigation.
Direct-to-satellite connectivity and communication over intermittent links.
Radar-based sensing, imaging, and signal processing.
Developed an interference-tolerant system that enables simultaneous LoRa transmissions on the same frequency. Designed a LoRaWAN-compatible protocol combining beamforming, power control, and scheduling, and built a full-stack testbed with USRP gateways and commodity LoRa nodes.
Investigates timely and reliable cellular communication for beyond-visual-line-of-sight UAV missions. Built an end-to-end prototype integrating cellular modems, onboard computers, PX4, and MAVLink; studied multi-link communication and traffic management through real-world flight experiments.
Explores how ground-based wireless infrastructure can assist UAV localization when GNSS is unavailable. Develops localization and navigation strategies to maintain position awareness and guide UAVs toward GNSS recovery.
Contributed to research on planet-scale IoT connectivity through low-Earth-orbit satellites, including experimental measurements and analysis of satellite communication links.
Investigated decoder contention as a bottleneck in operational LoRaWANs and contributed to measurement analysis and channel planning for scalable connectivity and spectrum sharing among coexisting networks.
Ruonan Li, Ziyue Zhang, Xianjin Xia, Ningning Hou, Wenchang Chai, Shiming Yu, Yuanqing Zheng, and Tao Gu
Ziyue Zhang, Xianjin Xia, Ruonan Li, Jinhong Liu, Yuanqing Zheng, Linghe Kong, and Mo Li
Ziyue Zhang, Xianjin Xia, Ruonan Li, and Yuanqing Zheng
Ph.D. in Computer Science · 2024–Present
Master’s in Information and Telecommunications Engineering · 2019–2022
B.E. in Information Countermeasures Technology · 2015–2019
Research Assistant · Millimeter-Wave Imaging · 2022–2023
Hong Kong Polytechnic University, Hong Kong
ruo-nan.li@connect.polyu.hk · leonalihk@gmail.com