Publications

Journals

1. Longting Huang, Yuntao Wu, Hui Cao and Gengsheng Zheng, “2-D frequency estimation of multiple damped sinusoids based on propagator method,” International Journal of Digital Content Technology and its Application, vol. 5, no. 7, pp. 368-374, 2011. 

2. Jianfeng Chen, Yuntao Wu, Hui Cao and Hai Wang, “Fast algorithm for DOA estimation with partial covariance matrix and without eigendecomposition,” Journal of Signal and Information Processing, vol. 2, no. 4, pp. 266-269, Nov. 2011. 

3. Yuntao Wu, Longting Huang, Hui Cao and Yanbin Zhang, “HOSVD-based subspace algorithm for multidimensional frequency estimation without pairing parameters,” Chinese Journal of Electronics , vol. 23, no. 4, pp. 729-734, Oct.  2014. 

4. Hui Cao, Yuntao Wu* and Amir Leshem, “R-D frequency estimation of multidimensional sinusoids based on eigenvalues and eigenvectors,” Multidimensional Systems and Signal Processing, vol. 26, issue.3, pp. 777-786, Jan. 2014. 

5. Qiangde Xiang, Hui Cao* and Hing Cheung So, “Fast and accurate estimator for two-dimensional cisoids based on QR decomposition,” Signal Processing, vol. 120, pp. 553-561, Mar. 2016. (*Corresponding Author) 

6. Hui Cao*, Hing Cheung So and Yiu Tong Chan, "Optimum time delay estimation for complex-valued stationary signals," Signal Processing, vol. 131, pp. 434–440, Feb. 2017. 

7. Kefei Liu, Hui Cao*, Hing Cheung So and Andreas Jakobsson, “Multi-dimensional sinusoidal order estimation using angles between subspaces,” Digital Signal Processing, vol. 64, pp. 17-27, May 2017. (*Corresponding Author) 

8. Hui Cao*, Yiu Tong Chan and Hing Cheung So, “Maximum likelihood TDOA estimation from compressed sensing samples without reconstruction,” IEEE Signal Processing Letters, vol. 24, no. 5, pp. 564-568, May 2017. 

9. H. Cao, L-T. Huang*, Y-T. Wu and Q. Liu*, “Multidimensional single-tone frequency estimation based on QR decomposition,” IEEE Access, vol. 7, pp. 68153-68159, May 2019.

10. K. Wang, G. Chen, Q. Ai, H. Cao, P. Zhou and D. Wu, "Reversible Data Hiding Based on Structural Similarity Block Selection," IEEE Access, vol. 8, pp. 20375-20385, 2020. 

11. H. Cao, Y.T. Chan and H.C. So," Compressive TDOA estimation: Cramer-Rao bound and incoherent Processing," IEEE Transactions on Aerospace and Electronic Systems, vol. 56, no. 4, pp. 3326-3331, Aug. 2020, doi: 10.1109/TAES.2020.2966095.

12. H. Cao, Q. Liu*, Y-T. Wu, "Transform domain: design of closed-form joint 2-D DOA estimation based on QR decomposition," Circuits, Systems, and Signal Processing, vol. 39, pp. 5318-5329, 2020,  doi:10.1007/s00034-020-01416-8.

13. Mengyi Liu, Hui Cao* and Yuntao Wu, "Improved subspace-based method for 2D DOA estimation with L-shaped array," IET Electronics Letters. vol. 56, no. 8, pp. 402-405, 2020, doi: 10.1049/el.2019.4235. (*Corresponding Author) 

14. H. Cao and Q. Liu*, "Fast rank-revealing QR factorization for two-dimensional frequency estimation," IEEE Communications Letters, vol. 24, no. 6, pp. 1240-1243, June 2020, doi: 10.1109/LCOMM.2020.2981027.  

15.Q. Liu, X.P. Li and H. Cao, "Two-Dimensional Localization: Low-Rank Matrix Completion With Random Sampling in Massive MIMO System", to appear in IEEE Systems Journal, 2020.  

16. H. Cao*, Y.T. Chan and H.C. So. "Efficient Sensing for Compressive Estimation of Frequency of a Real Sinusoid," IEEE Transactions on Aerospace and Electronic Systems, vol. 57, no. 1, pp. 744-750, Aug. 2020, doi: 10.1109/TAES.2020.3015322.

17. Yingna Fei, Hui Cao*, Yuntao Wu, Xitong Chen, Li Chen. "DOA Estimation in Non-Uniform Noise Using Matrix Completion via Alternating Projection," to appear in IEEE Open Journal of Antennas and Propagation, 2020.

18. Jindong Liu, Jie Yang, Zhiqiang Guo, Hui Cao and Yongmei Ren. “Simulation of unmanned ship real-time trajectory planning model based on Q-learning,” International Journal of Simulation and Process Modelling, vol. 16, No. 4, Nov. 2021.

19. R. Liu, Q. Liu, H. Zhu and H. Cao, "Multistage Deep Transfer Learning for EmIoT-Enabled Human–Computer Interaction," IEEE Internet of Things Journal, vol. 9, no. 16, pp. 15128-15137, 15 Aug.15, 2022.

20. Y. Liu, H. Cao, Y. Wu, K. Wang. “Fast and accurate approach for DOA estimation of coherent signals,” Wirel. Commun. Mob. Comput. 2022, pp. 1–7, 2022.

21. K. Wang, J. Xu, X. Li, P. Liu, H. Cao, K. Liu. “Joint Trajectory Planning, Time and Power Allocation to Maximize Throughput in UAV Network.” Drones, 7, 68. 2023.

22. Fan Zhang, Hui Cao*, and Kehao Wang. "Coherent DOA Estimation Algorithm with Co-Prime Arrays for Low SNR Signals," Sensors, no. 23: 9320. 2023.

23. G. Xiong, H. Cao*, W. Liu, et al. “Adaptive Robust Subspace Detection Based on GLRT, Rao, Wald, Gradient, and Durbin Tests,” Circuits, Systems, and Signal Processing, 43, pp.6351–6372, 2024.

24. Gaoqing Xiong, Hui Cao*, Weijian Liu, Jialiang Zhang, Kehao Wang, and Kai Yan. "Design of Selective Detector for Distributed Targets Through Stochastic Characteristic of the Fictitious Signal," Sensors, no. 3: 736, 2025.

25. Y. Wu, H. Cao*, J. Zhang, K. Wang. “Robust DOA Estimation for Sparse Arrays under Sensor Failures via Structured Matrix Completion,” Signal, Image and Video Processing, 19, 937, 2025.

26. Z. Yang, H. Cao*, J. Zhang, K. Wang. “DOA Estimation Based on Golden Ratio-Inspired Coprime Array,” Mathematics. 13(22):3617, 2025.

27. Weijian Liu, Hui Cao, Gaoqing Xiong, Jun Liu, Chongying Qi, “GLRT-based detectors with enhanced selectivity for mismatched signals through a random-signal approach,” Signal Processing, vol. 240, 2026.

28. C. Zhou, H. Cao*, J. Zhang, K. Wang. “G-ESPRIT: Graphformer-Enhanced Direction-of-Arrival Estimation with Differentiable ESPRIT,” Iranian Journal of Science and Technology, Transactions of Electrical Engineering, 2025.

Conferences

1. Hai Wang, Yuntao Wu, Yanbing Zhang and Hui Cao, “Joint frequency-elevation-azimuth estimation without pairing using L-shaped array,” Proceedings of the IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC2012), pp. 320 – 325, Aug. 2012, Hong Kong. 

2. Cao Hui, Wu Yuntao, Zhang Yanbin and Huang Longting. “3-D frequency estimation of multiple damped sinusoids using subspace approach,” IET International Radar Conference 2013, pp. 1-4, 2013. Xi’an, China.

3. H. Cao, Q. Liu. "Accurate DOA estimation based on real-valued singular value decomposition," Proceedings of the IEEE International Conference on Signal, Information and Data Processing (ICSIDP2019) (Best Paper Award),  pp. 1-4, Dec. 2019, Chongqing, China.

4. Q. Liu, H. Cao, Y-T. Wu and C. Huang. "DOA estimation based on two-dimensional interpolation in the presence of mutual coupling," to appear in IEEE SAM 2020.  

5. Z. Zong, H. Cao, J. Zhang and K. Wang, "An Optimized Spatial Smoothing Technique with QR_ESPRIT Algorithm for DOA-Estimation," 2025 IEEE 3rd International Conference on Image Processing and Computer Applications (ICIPCA), pp. 1-5. 2025, Shenyang, China.