在高西奇老师课题组，协助指导多名博士研究生和硕士研究生，共同发表多篇IEEE Trans等SCI论文。

近年来，围绕大规模MIMO鲁棒传输方法潜心研究，承担了国家自然科学基金青年项目、江苏省自然科学基金青年项目及华为合作项目等研究任务，作为子课题负责人等参与国家重点研发计划、国际合作项目及江苏省前沿项目等研究任务。

1、国家自然科学基金面上项目：基于信息几何的超大规模MIMO传输理论方法，2024-2027，主持，在研。

2、国家自然科学基金青年项目：大规模MIMO鲁棒传输理论方法，2019-2021，主持，已结题。

3、国家自然科学基金重大项目课题：信道地图构建及传输系统优化理论方法，2024-2028，子课题负责人，在研。

4、江苏省自然科学基金青年项目：非理想信道信息下大规模MIMO预编码方法研究，2018-2021，主持，优秀结题。

5、国家重点研发计划：大规模无线通信物理层基础理论与技术，2019-2023，子课题负责人，在研。

6、国家自然科学基金国际合作项目：B5G移动通信信道测量与建模理论研究，2020-2024，课题负责人，在研。

7、华为合作项目：FDD Massive MIMO鲁棒预编码方法研究，2019-2020，主持，优秀结题。

8、华为合作项目：大规模MIMO鲁棒传输波束域方法，2020-2021，主持，结题。

9、华为合作项目：高阶Rank信道重构，2021-2022，主持，结题。

10、华为合作项目：小包下信道估计和统计MU权联合设计，2022-2023，主持，在研。

11、江苏省前沿项目：天地融合卫星移动通信技术基础，2020-2024，项目骨干，在研。

[1] An-An Lu, Yan Chen, Xiqi Gao, "2D beam domain statistical CSI estimation for massive MIMO uplink", IEEE Transactions on Wireless Communications, Early Access, 2023.

[2] An-An Lu, Xiqi Gao, Chengshan Xiao, "Robust Linear Precoder Design for 3D Massive MIMO Downlink With A Posteriori Channel Model," IEEE Trans. Veh. Technol. vol. 71, no. 7, pp. 7274-7286, 2022.

[3] An-An Lu, Yuxuan Zhang, and Xiqi Gao, “Iterative Generalized Eigenvector Precoder with Deterministic Equivalents for 3D Massive MIMO,” IEEE Transactions on Vehicular Technology, vol. 70, no. 11, pp. 11784-11795, 2021.

[4] An-An Lu, Yan Chen, and Xiqi Gao, “Broad Coverage Precoding for 3D Massive MIMO with Huge Uniform Planar Arrays,”Entropy, 2021.

[5] An-An Lu, Xiqi Gao, Xin Meng, and Xiang-Gen Xia, “Omnidirectional precoding for 3D massive MIMO with uniform planar arrays,” IEEE Transactions on Wireless Communications, vol. 19, no. 4,pp. 2628-2642, 2020.

[6] An-An Lu, Xiqi Gao, Wen Zhong, ChengshanXiao, and Xin Meng, “Robust transmission for massive MIMO downlink with imperfect CSI,” IEEE Transactions on Communications, vol. 67, no. 8, pp. 5362-5376, 2019.

[7] An-An Lu, Xiqi Gao, Yahong Rosa Zheng, and Chengshan Xiao, “Linear Precoder Design for SWIPT in MIMO Broadcasting Systems With Discrete Input Signals:Manifold Optimization Approach,” IEEE Transactions on Communications, vol. 65,no. 7, pp. 2877-2888, 2017.

[8] An-An Lu, Xiqi Gao, Yahong Rosa Zheng, and Chengshan Xiao, “Low Complexity Polynomial Expansion Detector With Deterministic Equivalents of the Moments of Channel Gram Matrix for Massive MIMO Uplink,” IEEE Transactions on Communications,vol. 64, no. 2, pp. 586-600, 2016.

[9] An-An Lu, Xiqi Gao, and Chengshan Xiao, “Free Deterministic Equivalents for the Analysis of MIMO Multiple Access Channel,” IEEE Transactions on Information Theory, vol. 62, no. 8, pp.4604-4629, 2016.

[10] Junchao Shi, An-An Lu, W Zhong, Xiqi Gao, Geoffery Ye Li, "Robust WMMSE Precoder with Deep Learning Design for Massive MIMO",  IEEE Transactions on Communications, Early Access, 2023.

[11] Xianglong Yu, Xiqi Gao, An-An Lu, Jinlin Zhang, Hebin Wu, Geoffery Ye Li, Robust Precoding for HF Skywave Massive MIMO,  IEEE Transactions on Wireless Communications, Early Access, 2023.

[12] Xianglong Yu, An-An Lu, Chen Sun, Xiqi Gao, Geoffery Ye Li, Downlink Transmitter Design With Statistical CSI  or HF Skywave Massive MIMO, IEEE Transactions on Vehicular Technology, Early Access, 2023.

[13]Jiyuan Yang, An-An Lu(共同一作), Yan Chen, Xiqi Gao, Xiang-Gen Xia, Dirk T. M. Slock, "Channel Estimation for Massive MIMO: An Information Geometry Approach," IEEE Transactions on Signal Processing. vol. 70, pp. 4820-4834, 2022.

[14]Yu-Xuan Zhang, An-An Lu(共同一作), Xiqi Gao, "Sum-Rate-Optimal Statistical Precoding for FDD Massive MIMO Downlink with Deterministic Equivalents," IEEE Transactions on Vehicular Technology, vol. 71, no. 7, pp. 7359-7370, 2022.

[15] Xianglong Yu, An-An Lu(共同一作), Xiqi Gao, Geoffrey Ye Li, Guoru Ding, and Chengxiang Wang, “HF Skywave Massive MIMO Communication,” IEEE Transactions on Wireless Communications, vol. 21, no. 4, 2022.

[16] Chen Wang, An-An Lu(共同一作), Xiqi Gao, and Zi Ding, “Robust Precoding for 3D Massive MIMO Configuration with Matrix Manifold Optimization,” IEEE Transactions on Wireless Communications, vol. 21, no. 5, 2022.

[17] Weiran Guo, An-An Lu(共同一作), Xiqi Gao, and Xiang-Gen Xia, “Broad Coverage Precoder Design for Synchronization in Satellite Massive MIMO Systems,”IEEE Transactions on Communications, vol. 69, no. 8, pp. 5531-5545, 2021.

[18] Yan Chen, Li You, An-An Lu, and Xiqi Gao, “Widely-Linear Processing for the Uplink of the Massive MIMO With IQ Imbalance: Channel Estimation and Data Detection”, IEEE Transactions on Signal Processing, vol. 69,pp. 4685-4698, 2021.

[19] Yan Chen, Li You, An-An Lu Xiqi Gao, and Xiang-Gen Xia, “Channel Estimation and Robust Detection for IQ Imbalanced Uplink Massive MIMO-OFDM with Adjustable Phase Shift Pilots,” IEEE Access, vol. 9, pp. 35864-35878, 2021.

[20] Weiran Guo, An-An Lu, XinMeng, Xiqi Gao, and Xiang-Gen Xia, “Broad Coverage Precoder Design for 3D Massive MIMO System Synchronization,” IEEE Transactions on Communications, vol.68, no. 7, pp. 4233-4246, 2020.

[21] Weiran Guo, An-An Lu, XinMeng, Xiqi Gao, and Ni Ma, “Broad Coverage Precoding Design for Massive MIMO with Manifold Optimization,” IEEE Transactions on Communications, vol. 67, no.4, pp. 2792-2806, 2019.

[22] Wenjin Wang, Yushan Tong, Lingxuan Li, An-An Lu, Li You, and Xiqi Gao, “Near Optimal Timing and Frequency Offset Estimation for 5G Integrated LEO Satellite Communication System,” IEEE Access, vol. 7, pp. 113298-113310, 2019.