1 citations · 1 across the 14 of their papers we have counts for
14 papers
Fluid-Antenna-Assisted Distributed Joint Decoding for Cell-Free Massive MIMO Unsourced Random Access
Liandong Hu, Jian Dang, Zaichen Zhang
Unsourced random access (URA) supports massive sporadic connectivity but remains limited by multiuser interference, distributed channel uncertainty, and local fading. This paper pr…
Off-Grid Position Optimization under Mutual Coupling in Fluid Antenna Arrays
Jingyuan Xu, Jian Dang, Zaichen Zhang
Fluid antenna arrays exploit continuous antenna repositioning within a finite aperture to provide geometry diversity beyond grid-constrained port selection. Every displacement, how…
Sparse Port Selection under Mutual Coupling in Fluid Antenna Arrays
Jingyuan Xu, Haoyu Liang, Zaichen Zhang +1
Fluid antenna systems obtain spatial degrees of freedom by reconfiguring antenna positions within a confined region, a principle that extends to beamforming: shaped beams can be sy…
EM-Guided Graph Learning for Fluid Antenna Beamforming under Current-Domain Constraints
Yuanhui Wu, Hao Jiang, Zaichen Zhang
Fluid antenna arrays (FAAs) reconfigure a finite set of radiating ports within a prescribed aperture. In compact apertures, however, channel-driven placement may cluster ports, str…
Impedance-Aware Zonal Port Activation for Fluid Antenna Arrays
Yuanhui Wu, Hao Jiang, Zaichen Zhang
Fluid antenna array (FAA) activation jointly determines the effective multi-user channel for precoding and the sparse physical aperture. Channel-oriented selection can concentrate…
Learned Blockwise Port Activation for Real Time Beamforming in Fluid Antenna Arrays
Yuanhui Wu, Zhentian Zhang, Hanjiang Hong +5
Fluid antenna arrays (FAAs), support multiuser downlink transmission by activating a subset of reconfigurable ports. The activation mask jointly determines the effective channel an…
Electromagnetic-Aware Fluid Antenna Array
Zhentian Zhang, Yuanhui Wu, Hao Jiang +2
Fluid antenna arrays (FAAs) offer a promising means of exploiting spatial degrees of freedom through adaptive port positioning. However, most existing communication models treat an…
Peak Sidelobe Suppression in Planar Fluid Antenna Array
Haoyu Liang, Zhentian Zhang, Yuanhui Wu +3
Fluid antenna systems (FAS) have emerged as a promising technology for next-generation wireless communications, offering inherent reconfigurability and spatial adaptability. A dist…
Geometry-Structured Channel Reconstruction for Conventional and Fluid Antenna Systems: Bayesian Inference and Fundamental Limits
Zhentian Zhang, Kai-Kit Wong, Kaitao Meng +5
Accurate channel state information (CSI) acquisition is critical for exploiting the spatial flexibility of fluid antenna systems (FASs). However, port selection and transmission op…
Finite-Aperture Planar Fluid Antenna Array
Zhentian Zhang, Jingyuan Xu, Kai-Kit Wong +3
Fluid antenna systems (FASs) are emerging as a reconfigurable-aperture technology that expands physical-layer design beyond fixed, rigid antenna geometries. While the \emph{fading…
Channel Knowledge Map-Enabled NLoS ISAC Localization
Chentao Hong, Di Wu, Liang Wu +2
Accurate localization in non-line-of-sight (NLoS) environments remains challenging even with both angle-of-arrival (AoA) and time-of-arrival (ToA) measurements. In complex urban sc…
Joint Gaussian Beam Pattern and Its Optimization for Positioning-Assisted Systems
Yuanbo Liu, Bingcheng Zhu, Shuojin Huang +2
Beamforming is a fundamental technology that not only enhances communication efficiency but also lays the foundation for massive multiple-input multiple-output~(MIMO) systems. Howe…
Active RIS-Aided Massive MIMO With Imperfect CSI and Phase Noise
Zhangjie Peng, Jianchen Zhu, Cunhua Pan +4
Active reconfigurable intelligent surface (RIS) has attracted significant attention as a recently proposed RIS architecture. Owing to its capability to amplify the incident signals…
Large-Scale RIS Enabled Air-Ground Channels: Near-Field Modeling and Analysis
Hao Jiang, Wangqi Shi, Zaichen Zhang +5
Existing works mainly rely on the far-field planar-wave-based channel model to assess the performance of reconfigurable intelligent surface (RIS)-enabled wireless communication sys…