Research Experience

Mar. 2022 - Nov. 2022) RF Fingerprinting Based on Multi-Antenna for Mitigating Multipath Channel Interference

Research Description: Implementation of RF fingerprinting algorithms for multipath resistant channels using the endogenous physical layer security features in 5G systems, and construction of a 5G NR RFF identification system simulation platform and an experimental platform.

Main Works:

1. Conducting an investigation into the physical layer protocols of 5G, with a focus on examining the 5G access flows, reference signals, and resource allocation strategies;
2. Designing a new R-RFF scheme for device authentication in multipath channels in 5G systems, utilizing the antenna link relationships of multi-antenna and CSI feedback;
3. Constructing a simulation platform for 5G systems utilizing the 5G Toolbox, with an emphasis on realizing the 5G access process and uplink and downlink channel Estimation in TDD mode;
4. Establishing a 5G experimental platform using a USRP B210 with N321, and utilizing gnuradio to acquire, process, and analyze experimental data.

Sept. 2021 - Dec. 2021) Biometric Fingerprints Protection \& Forced Authentication Detection

Research Description: Training ResNet to detect forced fingerprint pressing attacks and building a hardware platform and integrating algorithms in embedded devices
Main Works:

1. Studying several features of forced fingerprints, such as the direction of applied force, the centroid of applied force, etc;
2. Pre-processing fingerprint images and training ResNet to recognize normal and attacked fingerprints;
3. Build a hardware realization platform for forced fingerprint detection based on STM32.

Jan. 2021 - July 2021) RIS-Based Active Attack and Its Countermeasures in PKG

Research Description: Research into how legitimate user key generation is affected in a scenario where the attacker has RIS and how legitimate users can defend against it.

Main Works:

1. Propose a new RIS-based manipulating attack that changes the phase of RIS randomly to destroy the key generation process;
2. A MUSIC-based path detection and path separation algorithm is proposed to resist attacks and improve the rate of key generation.

Project Experience

Oct. 2022 - Present) Lightweight Air Interface Security Transmission Theory and Methods for Massive Users (Nanjing, China)

Responsible for RF Fingerprinting algorithm design (Work in progress)

1. Design a lightweight physical layer authentication algorithm utilizing frequency offset with relative RF fingerprinting;
2. Implement a physical layer access authentication simulation experimental platform in 5G NR system.

Mar. 2022 - Oct. 2022) Joint Research of IoT Security System and Key Technologies Based on Quantum Keys (Nanjing, China)

Responsible for physical layer key generation algorithm design

1. Design the physical layer key generation algorithm for the quantum key distribution process;
2. Design the physical layer key generation algorithm for the quantum key distribution process.

July 2018 - Jan. 2019) Subsidence Monitoring of Wuhan Metro (Wuhan, China)

Responsible for embedded development

1. Development of microcontrollers employing the STM32 as embedded hardware;
2. Data fusion processing of multi-sensor data, e.g. wire pull sensors, laser sensors;
3. Embedded networking with LoRa for stable communication and data reporting in long tunnels.