9 papers
Measured-Pattern-Aware Pinching-Antenna Systems With Coupling-Efficiency Optimization
Hao Feng, Hui Yang, Ming Zeng +3
Pinching-antenna (PA) systems have been widely investigated as a flexible architecture for waveguide-enabled wireless transmission. Existing analytical models, however, often rely…
Channel Estimation for Rydberg Atomic Quantum Receivers: Unrolled Phase Retrieval from Holographic Snapshots
Jian Xiao, Ji Wang, Ming Zeng +3
A model-driven deep learning framework is proposed for channel estimation in Rydberg atomic quantum receivers (RAQRs) based on the measurement of holographic snapshots. Specificall…
Recent Advances in Near-Field Beam Training and Channel Estimation for XL-MIMO Systems
Ming Zeng, Ji Wang, Wanming Hao +3
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a key technology for next-generation wireless communication systems. By deploying significantly more antennas than…
Pinching Antenna-Aided Wireless Powered Communication Networks
Yixuan Li, Hongbo Xu, Ming Zeng +1
In this letter, we investigate a novel pinching antenna (PA)-aided wireless powered communication network (WPCN), in which multiple PAs are activated along a waveguide to establish…
Frequency-Selective Modeling and Analysis for OFDM-Integrated Wideband Pinching-Antenna Systems
Jian Xiao, Ji Wang, Ming Zeng +2
This letter investigates the integration of pinching-antenna systems (PASS) with orthogonal frequency division multiplexing (OFDM) to ensure their compatibility and to explore the…
Deep Learning Based Joint Channel Estimation and Positioning for Sparse XL-MIMO OFDM Systems
Zhongnian Li, Chao Zheng, Jian Xiao +4
This paper investigates joint channel estimation and positioning in near-field sparse extra-large multiple-input multiple-output (XL-MIMO) orthogonal frequency division multiplexin…