462 citations · 1k across the 23 of their papers we have counts for
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A Joint Graph-Cut Channel Estimation Method for Multi-user Holographic MIMO
Jiaxin Zhang, Wenqian Shen, Kai Yang +2
To address the challenges of high-dimensional channel estimation and underutilized spatial correlations among users in holographic MIMO (HMIMO) systems, this paper proposes a joint…
AI Signal Processing Paradigm for Movable Antenna: From Spatial Position Optimization to Electromagnetic Reconfigurability
Yining Li, Ziwei Wan, Chongjia Sun +10
As 6G wireless communication systems evolve toward intelligence, high reconfigurability, and space-air-ground integration \cite{liu2025toward, liu2024near}, the limitations of trad…
Blind Channel Estimation for RIS-Assisted Millimeter Wave Communication Systems
Dianhao Jia, Wenqian Shen, Jianping An +1
In the research of RIS-assisted communication systems, channel estimation is a problem of vital importance for further performance optimization. In order to reduce the pilot overhe…
Training Beam Design for Channel Estimation in Hybrid mmWave MIMO Systems
Xiaochun Ge, Wenqian Shen, Chengwen Xing +2
Training beam design for channel estimation with infinite-resolution and low-resolution phase shifters (PSs) in hybrid analog-digital milimeter wave (mmWave) massive multiple-input…
Multi-Carrier Faster-Than-Nyquist Signaling for OTFS Systems
Xueyang Wang, Shiqi Gong, Wenqian Shen +2
Orthogonal time frequency space (OTFS) modulation technique is promising for high-mobility applications to achieve reliable communications. However, the capacity of OTFS systems is…
Beamforming Design with Partial Channel Estimation and Feedback for FDD RIS-Assisted Systems
Xiaochun Ge, Shanping Yu, Wenqian Shen +2
Beamforming design with partial channel estimation and feedback for frequency-division duplexing (FDD) reconfigurable intelligent surface (RIS) assisted systems is considered in th…
Joint Hybrid and Passive RIS-Assisted Beamforming for MmWave MIMO Systems Relying on Dynamically Configured Subarrays
Chenghao Feng, Wenqian Shen, Jianping An +1
Reconfigurable intelligent surface (RIS) assisted millimeter-wave (mmWave) communication systems relying on hybrid beamforming structures are capable of achieving high spectral eff…
Wideband Channel Estimation for IRS-Aided Systems in the Face of Beam Squint
Siqi Ma, Wenqian Shen, Jianping An +1
Intelligent reflecting surfaces (IRSs) improve both the bandwidth and energy efficiency of wideband communication systems by using low-cost passive elements for reflecting the impi…
Passive Beamforming Design for Intelligent Reflecting Surface Assisted MIMO Systems
Chenghao Feng, Wenqian Shen, Xinyu Gao +1
Intelligent reflecting surfaces (IRSs) constitute passive devices, which are capable of adjusting the phase shifts of their reflected signals, and hence they are suitable for passi…
Beam Selection for Wideband Millimeter Wave MIMO Relying on Lens Antenna Arrays
Chenghao Feng, Wenqian Shen, Jianping An
Beamspace multi-input multi-output (MIMO) relying on lens antenna arrays can significantly reduce the number of radio-frequency chains in millimeter-wave (mmWave) communication sys…