Saiqin Xu 徐赛琴

Position: Lecturer

Affiliation: Hefei University of Technology, School of Microelectronics

Email: xusaiqin@stu.xidian.edu.cn

Research Interests: Radar Signal Processing, DOA Estimation, Deep Learning, Physical Layer Security, Secure Communications

09/2015 – 07/2019, B.S. degree in the Computer Science and Technology, Anhui Normal University, China.
09/2019 – 07/2029, PhD. in Information and Communication Engineering, National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China. supervisor: Prof. Baixiao Chen.
10/2022 – 10/2024, Visiting Student with SPRITZ Security and Privacy Research Group, Department of Mathematics, University of Padova, Italy, with the support of China Scholarship Council. Working with Prof. Mauro Conti (IEEE Fellow) and Alessandro Brighente.
08/2025 – Present, Lecturer at Hefei University of Technology.

Publications

Journal Papers

  1. Shuai Peng,Baixiao Chen,Saiqin Xu. Gridless 2D DOA Estimation for Sparse Planar Arrays via 2-level Toeplitz Reconstruction. Signal Processing, 2025.[PDF]
  2. Simone Soderi, Alessandro Brighente,Saiqin Xu, Mauro Conti.Multi-RIS Aided VLC Physical Layer Security for 6G Wireless Networks. IEEE Transactions on Mobile Computing. 2024. [PDF]
  3. Saiqin Xu, Shuai Peng,Baixiao Chen,Alessandro Brighente. Detecting Jamming Signal using 2D Direction of Arrival Estimation Technique. IEEE Communications Letters. 2024. [PDF]
  4. Saiqin Xu, Alessandro Brighente,Baixiao Chen,Mauro Conti. A Generative Approach to Mitigate Jamming Attacks in DOA Estimation. IEEE Wireless Communications Letters, 2024. [PDF]
  5. Hao Lian, Minglei Yang,Saiqin Xu,Dingsen Zhou,Meng Liu. Time Reversal Detection for Moving Targets in Clutter Environments. Remote Sensing, 2023.[PDF]
  6. Saiqin Xu, Alessandro Brighente,Baixiao Chen,Mauro Conti, et al. Deep Neural Networks for Direction of Arrival Estimation of Multiple Targets with Sparse Prior for Line-of-Sight Scenario. IEEE Transactions on Vehicular Technology, 2023. [PDF]
  7. Saiqin Xu, Alessandro Brighente,Baixiao Chen,Mauro Conti, et al. A Low Computational Complexity DOA Estimation using Sum/Difference Pattern based on DNN. Multidimensional Systems and Signal Processing, 2023. [PDF]
  8. Saiqin Xu, Baixiao Chen,Houhong Xiang. Direction of Arrival Estimation using Estimator Banks in Low angle Tracking for S band Radar. Microwave and Optical Technology Letters, 2021. [PDF]
  9. Houhong Xiang,Baixiao Chen,Minglei Yang,Saiqin Xu,Zhengjie Li. Improved direction-of-arrival estimation method based on LSTM neural networks with robustness to array imperfections. Applied Intelligence, 2021. [PDF]
  10. Houhong Xiang,Baixiao Chen,Minglei Yang,Saiqin Xu. Angle separation learning for coherent DOA estimation with deep sparse prior. IEEE Communications Letters. [PDF]

Conference Papers

  1. Saiqin Xu, Shuo Wang, Savio Sciancalepore, Alessandro Brighente, Mauro Conti. Confundus: Mitigating Hostile Wireless Source Localization. IEEE Conference on Communications and Network Security (IEEE CNS), France, 2025.
  2. Saiqin Xu, Baixiao Chen, Jiankang Chen, Yu Chen. Enhanced Two-Dimensional Direction of Arrival Estimation via Extended Connection Matrix. 2025 8th International Conference on Electronics Technology (ICET), Chengdu, China, 2025.
  3. Alessandro Brighente, Saiqin Xu, Simone Soderi, Mauro Conti.Physical Layer Authentication for Distributed RIS (DRIS) Enabled VLC Systems. IEEE International Conference on Communications(ICC). Denver, Co, USA, 2024.
  4. Zheming Guo, Baixiao Chen, Saiqin Xu, Hao Lian. A modified genetic algorithm based on the monarch scheme for thinned planar array synthesis. 2023 IET International Radar Conference (IRC), Chongqing, China, 2023.
  5. Saiqin Xu, Baixiao Chen, Hao Lian, Zheming Guo. Deep Learning based Direction of Arrival Estimation of Multiple Targets. 2022 IEEE 5th International Conference on Electronic Information and Communication Technology (ICEIC), Hefei, China, 2022.
  6. Saiqin Xu, Baixiao Chen, Xiaoying Chen, Houhong Xiang. A Beamspace Dimension Reduction Technique with Application to DOA Estimation in Low-angle Tracking. 2021 CIE International Conference on Radar (CIE Radar), Haikou, China, 2021.

Projects

Awards

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