Publications on Intelligent Reflecting Surface Assisted Communications




Journal Papers


• R. Wang, S. Zhang, B. Clerckx, and L. Liu, "Low-overhead channel estimation framework for beyond diagonal reconfigurable intelligent surface assisted multi-user MIMO communication," IEEE Trans. Signal Process., vol. 73, pp. 4700-4717, 2025. (Available: arXiv)

• J. Gao, S. Zhang, and L. Liu, "Channel estimation for double-BD-RIS-assisted multi-user MIMO communication," submitted to IEEE Tran. Signal Process., 2026. (Available: arXiv)

• Z. Zhao, Z. Wang, L. Zhou, C. Sun, S. Zhang, N. Al-Dhahir, and L. Liu, "Over-the-air diagnosis of defective elements in intelligent reflecting surface," IEEE Trans. Wireless Commun., vol. 25, pp. 16947-16063, 2026. (Available: arXiv)

• W. Zhu, Q. Wang, S. Zhang, B. Di, L. Liu, and Y. C. Eldar, "Intelligent reflecting surface based localization of mixed near-field and far-field targets," IEEE Trans. Wireless Commun., vol. 25, pp. 10145-10160, 2026. (Available: arXiv)

• S. Gong, Y. Ju, H. Liu, L. Liu, and C. Xing, "Hybrid active-passive RIS empowered secure communications: Joint architecture design and beamforming optimization," IEEE Trans. Commun., vol. 73, no. 7, pp. 5094-5110, Jul. 2025.

• H. Yang, S. Gong, X. Ju, C. Xing, N. Zhao, and L. Liu, "Beamforming optimization and capacity scaling analysis for double hybrid active-passive RISs aided wireless communications," IEEE Trans. Veh. Technol., vol. 74, no. 4, pp. 6003-6020, Apr. 2025.

• R. Wang, Z. Wang, L. Liu, S. Zhang, and S. Jin, "Reducing channel estimation and feedback overhead in IRS-aided downlink system: A quantize-then-estimate approach," IEEE Trans. Wireless Commun., vol. 24, no. 2, pp. 1325-1338, Feb. 2025. (Available: arXiv) (Code at Github)

• X. Zhang, H. Zhang, L. Liu, Z. Han, H. V. Poor, and B. Di, "Target detection and positioning aided by reconfigurable surfaces: reflective or holographic?" IEEE Trans. Wireless Commun., vol. 23, no. 12, pp. 19215-19230, Dec. 2024.

• Z. Wang, L. Liu, S. Zhang, and S. Cui, "Massive MIMO communication with intelligent reflecting surface," IEEE Trans. Wireless Commun., vol. 22, no. 4, pp. 2566-2582, Apr. 2023. (Available: arXiv)

• Z. Wang, L. Liu, and S. Cui, "Channel estimation for intelligent reflecting surface assisted multiuser communications: Framework, algorithms, and analysis," IEEE Trans. Wireless Commun., vol. 19, no. 10, pp. 6607-6620, Oct. 2020. (Available: arXiv) (Matlab Code)

• Z. Wang, L. Liu, H. Li, and S. Cui, "Intelligent reflecting surface design for 6G-assisted Internet of Things," Chinese Journal on Internet of Things, vol. 4, no. 2, pp. 84-95, Jun. 2020.

Letters


• R. Wang, J. Gao, S. Zhang, B. Clerckx, and L. Liu, "On channel estimation for group-connected beyond diagonal RIS assisted multi-user MIMO communication," IEEE Wireless Commun. Lett., vol. 15, pp. 2055-2059, 2026. (Available: arXiv)

• X. Zhang, L. Liu, S. Zhang, and H. Zhang, "Beyond diagonal reconfigurable intelligent surface enabled sensing: Cramer-Rao bound optimization," IEEE Wireless Commun. Lett., vol. 14, no. 2, pp. 3852-3856, Dec. 2025.

• X. Zhang, L. Liu, S. Zhang, W. Zhu, and H. Zhang, "Optimizing rate-CRB performance for beyond diagonal reconfigurable intelligent surface enabled ISAC," IEEE Commun. Lett., vol. 29, no. 11, pp. 2506-2510, Nov. 2025.

Conference Papers


• Z. Zhao, J. Gao, Y-F. Liu, S. Zhang, and L. Liu, "Covariance-based signal processing approach for over-the-air diagnosis of intelligent reflecting surface," in Proc. IEEE International Conference on Communications (ICC), 2026.

• Z. Zhao, Z. Wang, S. Zhang, and L. Liu, "Finding defective elements in intelligent reflecting surface via over-the-air measurements," in Proc. IEEE Global Communications Conference (Globecom), 2024. (Available: arXiv)

• R. Wang, S. Zhang, and L. Liu, "Low-overhead channel estimation for beyond diagonal reconfigurable intelligent surface aided single-user communication," in Proc. International Conference on Wireless Communications and Signal Processing (WCSP), 2024.

• R. Wang, Z. Wang, L. Liu, S. Zhang, and S. Jin, "A quantize-then-estimate protocol for CSI acquisition in IRS-aided downlink communication," in Proc. IEEE Global Communications Conference (Globecom), 2023. (Available: arXiv)

• R. Wang, L. Liu, S. Zhang, and C. Yu, "A new channel estimation strategy in intelligent reflecting surface assisted networks," in Proc. IEEE Global Communications Conference (Globecom), 2021. (Available: arXiv)

• Z. Wang, L. Liu, and S. Cui, "Intelligent reflecting surface assisted massive MIMO communications," in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2020. (Available: arXiv) (Video Presented at WCNC2020)

• Z. Wang, L. Liu, and S. Cui, "Channel estimation for intelligent reflecting surface assisted multiuser communications," in Proc. IEEE Wireless Communications and Networking Conference (WCNC), 2020. (Available: arXiv) (Video Presented at SPAWC2020)