47 citations · 100 across the 24 of their papers we have counts for
27 papers
Turning Multipath into Positioning Information: Persistent Electromagnetic-Twin DoA Localization
Tuo Wu, Zhentian Zhang, Ye Tian +1
Reflected paths can support localization when line-of-sight (LoS) links are blocked, but their usefulness depends on how accurately the stored model predicts their directions. This…
CSI Reconstruction in Fluid Antenna Systems Without Spatial Covariance Priors
Zhentian Zhang, Kaitao Meng, Tuo Wu +6
Fluid antenna systems (FASs) exploit many candidate ports for spatial diversity, but hardware constraints allow channel observations at only a few active ports. Whether full-port C…
Modeling and Performance Analysis for Fluid Antenna System Enabled UAV Near-Field Communications
Hao Jiang, Wangqi Shi, Zhentian Zhang +3
Fluid antenna systems (FASs) offer a promising solution for unmanned aerial vehicle (UAV) air-to-ground (A2G) communications by enabling reconfigurable radiation characteristics. A…
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…
Finite-Blocklength ISAC Multiple Access: A Source-Channel Coding Perspective
Zhentian Zhang, Kaitao Meng, Hao Jiang +1
Future networks must serve massive populations of devices that sense and communicate simultaneously under short-packet constraints, yet the fundamental limits of integrated sensing…
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…
Fluid-Antenna-Aided Active User Detection With 1D-CNN Channel Reconstruction for Unsourced Random Access
Haoyu Liang, Zhentian Zhang, Hao Jiang +2
In this paper, we investigate the application of fluid antenna systems (FAS) for active user detection (AUD) in unsourced random access (URA). A channel reconstruction method based…
Fluid Antenna-assisted Unsourced ISAC Massive Access
Jingyuan Xu, Zhentian Zhang, Hao Jiang +2
Unsourced integrated sensing and communication (UNISAC) has emerged as a promising paradigm for supporting massive connectivity in 6G networks. However, existing approaches predomi…
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…
Jointly Correlated Dual-Side Fluid Antenna System
Zhentian Zhang, Yuanhui Wu, Kai-Kit Wong +2
Fluid antenna systems (FASs) have introduced a new paradigm for wireless system design by revealing how mutual correlation can be exploited to harvest inherent spatial diversity. W…
Beyond Covariance: Generative Spatial Correlation Modeling and Channel Interpolation for Fluid Antenna Systems
Zhentian Zhang, Hao Jiang, Kai-Kit Wong +2
Fluid antenna systems (FAS) enable unprecedented spatial diversity within a compact form factor by flexibly switching among high-density antenna ports. To activate this capability,…
Information-Theoretic Limits of Fluid Antenna-Aided ISAC with Representation Information Constraints
Farshad Rostami Ghadi, Kai-Kit Wong, F. Javier Lopez-Martinez +3
This paper characterizes the fundamental limits of integrated sensing and communication (ISAC) when the transmitter is subject to a representation-constrained encoder modeled via a…
Cramer-Rao Bounds for Activity Detection in Conventional and Fluid Antenna Systems
Zhentian Zhang, Kai-Kit Wong, Hao Jiang +2
In this letter, we develop a unified Cramér-Rao bound (CRB) framework to characterize the fundamental performance limits of transmission activity detection in fluid antenna systems…
Finite-Aperture Fluid Antenna Array Design: Analysis and Algorithm
Zhentian Zhang, Kai-Kit Wong, Hao Jiang +3
Finite-aperture constraints render array design nontrivial and can undermine the effectiveness of classical sparse geometries. This letter provides universal guidance for fluid ant…
Fundamental Tradeoffs for ISAC Multiple Access in Finite-Blocklength Regime
Zhentian Zhang, Christos Masouros, Kai-Kit Wong +5
This paper investigates the fundamental communication--sensing tradeoffs of uplink dual-functional integrated sensing and communication (ISAC) multiple access under finite blocklen…
A Universal Block Error Rate Bound for Fluid Antenna Systems
Zhentian Zhang, David Morales-Jimenez, Hao Jiang +1
Fluid antenna systems (FASs) offer genuine simplicity for communication network design by eliminating expensive hardware overhead and reducing the complexity of access protocol arc…
Low-Complexity CSI Acquisition Exploiting Geographical Diversity in Fluid Antenna System
Zhentian Zhang, David Morales-Jimenez, Jian Dang +3
The fluid antenna system (FAS) employs reconfigurable antennas for high spatial gains in compact spaces, enhancing physical layer flexibility. Channel state information (CSI) acqui…
Finite-blocklength Fluid Antenna Systems With Spatial Block-Correlation Channel Model
Zhentian Zhang, Kai-Kit Wong, David Morales-Jimenez +4
Massive connectivity with ultra-low latency and high reliability necessitates fundamental advances in future communication networks operating under finite-blocklength (FBL) transmi…
Finite-blocklength Fluid Antenna Systems
Zhentian Zhang, Kai-Kit Wong, David Morales-Jimenez +4
This paper investigates fluid antenna systems (FASs) subject to finite-blocklength (FBL) constraints, motivated by the strict reliability-latency and ultra-massive connectivity req…
Probabilistic ODMA Receiver with Low-Complexity Algorithm for MIMO Unsourced Random Access
Zhentian Zhang, Jian Dang, Zaichen Zhang
In this work, we present the design for both pilot-uncoupled and pilot-free on-off multiple access (ODMA) receivers in unsourced random access (URA) for multiple-input multiple-out…
Sparse Code Transceiver Design for Unsourced Random Access with Analytical Power Division in Gaussian MAC
Zhentian Zhang, Mohammad Javad Ahmadi, Jian Dang +3
In this work, we discuss the problem of unsourced random access (URA) over a Gaussian multiple access channel (GMAC). To address the challenges posed by emerging massive machine-ty…
Sparsity-Exploiting Channel Estimation For Unsourced Random Access With Fluid Antenna
Keru Zhou, Zhentian Zhang, Jian Dang +2
This work explores the channel estimation (CE) problem in uplink transmission for unsourced random access (URA) with a fluid antenna receiver. The additional spatial diversity in a…