Scalable Pilot Assignment for User-Centric Cell-Free Massive MIMO Networks. - Zhihan Ren 001; Angela Doufexi; Mark A. Beach (ICC, 2022)

Lattice Quantization for Centralized and Scalable Cell-Free Massive MIMO with Realistic Fronthaul. - Zhihan Ren 001; Angela Doufexi; Mark A. Beach (MeditCom, 2022)

Low-Complexity Phase-Shift Configuration in RIS-Aided Distributed MU-MIMO Networks. - Zhihan Ren 001; Angela Doufexi; Mark A. Beach (WCNC, 2024)

Analysis on Energy Efficiency of RIS-Assisted Multiuser Downlink Near-Field Communications. - Wei Wang; Xiaoyu Ou; Zhihan Ren 001; Waqas Bin Abbas; Shuping Dang; Angela Doufexi; Mark A. Beach (CoRR, 2025)

Joint User Scheduling, Power Allocation, and Rate Control for MC-RSMA in URLLC Services. - Xiaoyu Ou; Shuping Dang; Zhihan Ren 001; Angela Doufexi (IEEE Trans. Veh. Technol., 2025)