Pilot Power Allocation Through User Grouping in Multi-Cell Massive MIMO Systems. - Pei Liu 004; Shi Jin 002; Tao Jiang 002; Qi Zhang 006; Michail Matthaiou (IEEE Trans. Commun., 2017)

Spectral Efficiency Analysis of Multi-Cell Massive MIMO Systems with Ricean Fading. - Pei Liu 004; Kai Luo; Da Chen 001; Tao Jiang 002; Michail Matthaiou (WCSP, 2018)

Cluster-based Group Paging Scheme with Preamble Reuse for mMTC in 5G Networks. - Jiajie Huang; Wen Zhan; Xinghua Sun; Pei Liu 004; Dejin Kong (GLOBECOM, 2020)

Preamble-Based MMSE Channel Estimation With Low Pilot Overhead in MIMO-FBMC Systems. - Dejin Kong; Pei Liu 004; Qian Wang; Jian Li; Xinmin Li; Xing Cheng (IEEE Access, 2020)

Spectral Efficiency Analysis of Cell-Free Massive MIMO Systems With Zero-Forcing Detector. - Pei Liu 004; Kai Luo; Da Chen 001; Tao Jiang 002 (IEEE Trans. Wirel. Commun., 2020)

Anti-jamming strategy based on game theory in single-channel UAV communication network. - Jiangwei Xu; Kehao Wang 001; Xun Zhang; Pei Liu 004; Dejin Kong; Hongkuan Zhou (FMEC, 2021)

UAV-Based and Energy-Constrained Data Collection System with Trajectory, Time, and Collection Scheduling Optimization. - Kehao Wang 001; Zheng Tang; Pei Liu 004; Yirui Cong; Xiangke Wang; Dejin Kong; Yitong Li (ICCC, 2021)

MMSE channel estimation for two-port demodulation reference signals in new radio. - Dejin Kong; Xiang-Gen Xia 001; Pei Liu 004; Qibiao Zhu (Sci. China Inf. Sci., 2021)

Channel Estimation Performance Analysis of Massive MIMO IoT Systems With Ricean Fading. - Pei Liu 004; Tao Jiang 002 (IEEE Internet Things J., 2021)

Machine Learning Enabled Preamble Collision Resolution in Distributed Massive MIMO. - Jie Ding 001; Daiming Qu; Pei Liu 004; Jinho Choi 001 (IEEE Trans. Commun., 2021)

Channel Estimation Aware Performance Analysis for Massive MIMO With Rician Fading. - Pei Liu 004; Dejin Kong; Jie Ding 001; Yue Zhang 020; Kehao Wang 001; Jinho Choi 001 (IEEE Trans. Commun., 2021)

Statistical Description of Channel Estimation Error in Massive MIMO Systems With Ricean Fading. - Pei Liu 004; Qi Zhang 006; Junyuan Wang 001; Dejin Kong; Yue Zhang 020 (IEEE Trans. Veh. Technol., 2021)

Reduction of Cyclic Prefix Overhead in Narrow-Band Internet of Things (NB-IoT) Systems. - Dejin Kong; Pei Liu 004; Yaru Fu; Jie Ding 001; Tony Q. S. Quek (IEEE Wirel. Commun. Lett., 2021)

Trajectory and Power Design to Balance UAV Communication Capacity and Unintentional Interference. - Kehao Wang 001; Yongguang Lu; Pei Liu 004; Xiaobai Li; Guangyu Li; Hyundong Shin (GLOBECOM, 2022)

Adaptive Hierarchical Federated Learning Over Wireless Networks. - Bo Xu 020; Wenchao Xia; Wanli Wen; Pei Liu 004; Haitao Zhao 004; Hongbo Zhu 002 (IEEE Trans. Veh. Technol., 2022)

Joint Cooperation Clustering and Downlink Power Control for Cell-Free Massive MIMO with Deep Reinforcement Learning. - Mingjun Du; Xinghua Sun; Yue Zhang 020; Junyuan Wang 001; Pei Liu 004 (ICCT, 2023)

Spectral Efficiency Analysis of Downlink Transmission for Two-Way Cell-Free Massive MIMO System With Few-Bit ADCs. - Jiaxi Cui; Pei Liu 004; Kehao Wang 001; Hongkuan Zhou; Yue Zhang 020; Xinghua Sun; Stefano Buzzi (PIMRC, 2023)

Modeling and Throughput Optimization of Multi-Gateway LoRaWAN. - Baoguo Yu; Yachuan Bao; Yuankang Huang; Wen Zhan; Pei Liu 004 (IEEE Access, 2023)

Joint beamforming and phase-shifting design for energy efficiency in RIS-assisted MISO communication with statistical CSI. - Kehao Wang 001; Pei Liu 004; Kezhong Liu; Lin Chen 002; Hyundong Shin; Tony Q. S. Quek (Phys. Commun., 2023)

MSE-Aware Performance Analysis in Multi-Cell Massive MIMO Systems Over Rician Fading. - Yihang Sun; Shuai Xiao; Pei Liu 004; Kehao Wang 001; Xinghua Sun (APCC, 2024)

Spectral Efficiency Analysis for Grant-Free Random Access Cell-Free Massive MIMO with Ricean Fading. - Shuai Xiao; Pei Liu 004; Qi Zhang 006; Wen Zhan; Jie Ding 001; Jinho Choi 001 (APCC, 2024)

Distributed Learning-Based Beamforming Codebooks for Unevenly Distributed Users in mmWave Massive MIMO System. - Zhiheng Chen; Pei Liu 004; Yun Chen 006; Wen Zhan; Giovanni Interdonato; Stefano Buzzi (WCNC, 2024)

Optimal position and power allocation for RSMA multigroup multicast and multibeam UAV-assisted communication. - Kehao Wang 001; Yingzhao Sun; Changzhen Li; Pei Liu 004 (Phys. Commun., 2025)

Tradeoff Analysis of Unintentional Interference and Communication Rate of UAV. - Yongguang Lu; Kehao Wang 001; Pei Liu 004; Lin Chen 002; Hyundong Shin; Tony Q. S. Quek (IEEE Trans. Veh. Technol., 2025)

Learning Distributed Neural Network-Based Beam Codebooks on FPGAs: Adapting to Unevenly Distributed Users in mmWave Massive MIMO IoT System With Hardware Acceleration. - Zhiheng Chen; Pei Liu 004; Bo Xu 020; Yun Chen 006; Wen Zhan; Giovanni Interdonato; Stefano Buzzi (IEEE Internet Things J., 2025)

Joint Task Chain, Power, and UAV Trajectory Optimization Based on an Integrated Multi-UAV System. - Xun Zhang; Kehao Wang 001; Xiaobai Li; Pei Liu 004; Hyundong Shin (IEEE Trans. Veh. Technol., 2025)