主要研究领域为信息论与随机矩阵理论及其在无线通信安全、无人机集群对抗等领域的应用。通过随机矩阵理论探究多天线系统安全与可靠传输的根本极限,建立多天线无线通信系统性能的数学表征框架与优化方法,增强无线通信系统的传输与保密可靠性。主要成果发表在通信领域顶级期刊IEEE Transactions on Information Theory (TIT,CCF-A)、网络与信息安全领域顶级期刊IEEE Transactions on Information Forensics and Security (TIFS,CCF-A)上,其中TIT 5篇,代表性成果如下: [1]. X. Zhang, S.H. Song, and K.B. Letaief, “Fundamental limits of non-centered non-separable channels and their application in holographic MIMO communications,” IEEE Transactions on Information Theory, Early Access, Mar. 2025. [2]. X. Zhang and S.H. Song, “Secrecy analysis for IRS-aided wiretap MIMO communications: Fundamental limits and system design,” IEEE Transactions on Information Theory, vol. 70, no. 6, pp. 4140–4159, May. 2024. [3]. X. Zhang and S.H. Song, “Asymptotic mutual information analysis for double-scattering MIMO channels: A new approach by Gaussian tools,” IEEE Transactions on Information Theory, vol. 69, no. 9, pp. 5497–5527, Sep. 2023. [4]. X. Zhang and S.H. Song, “Bias for the trace of the resolvent and its application on non-Gaussian and non-centered MIMO channels,” IEEE Transactions on Information Theory, vol. 68, no. 5, pp. 2857–2876, May. 2022. [5]. X. Zhang, D. Xu, J. Wang, C. Jiang, S. H. Song, M. Renzo, “RIS-aided secure communications with regularized zero-forcing precoding”, Accepted to IEEE Transactions on Information Forensics and Security, May. 2025. [6]. X. Zhang, X. Yu, and S.H. Song, “Outage probability and finite-SNR DMT analysis for IRS-aided MIMO systems: How large IRSs need to be?,” IEEE Journal of Selected Topics in Signal Processing., vol. 16, no. 5, pp. 1070–1085, Aug. 2022. [7]. X. Zhang and S.H. Song, “Mutual information density of massive MIMO systems over Rayleigh-product channels,” IEEE Transactions on Communications, vol. 72, no. 9, pp. 5547-5563, Sep. 2024. [8]. X. Zhang, J. Wang, C. Jiang, C. Yan, Y. Ren, and L. Hanzo, “Robust beamforming for multibeam satellite communication in the face of phase perturbations,” IEEE Transactions on Vehicular Technology, vol. 68, no. 3, pp. 3043–3047, Mar. 2019. [9]. Z. Zhuang, X. Zhang, D. Xu, and S.H. Song, “Fundamental limits of two-hop MIMO channels: An asymptotic approach,” IEEE Transactions on Information Theory, Early Access, Mar. 2025. [10]. Z. Zhuang, X. Zhang, D. Xu, S.H. Song, and Y. C. Eldar, “Decentralized MIMO Systems with Imperfect CSI using LMMSE Receivers,” IEEE Journal of Selected Topics in Signal Processing, vol. 16, no. 5, pp. 331- 348, Feb. 2025. |