activity
20232026
most citedSensing-aided Near-Field Secure Communications with Mobile Eavesdroppers

1 citations · 2 across the 14 of their papers we have counts for

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8 papers · 1 filter

cs.IT2025

Fluid Antenna Meets RIS: Random Matrix Analysis and Two-Timescale Design for Multi-User Communications

Xin Zhang, Dongfang Xu, Jingjing Wang +3

The reconfigurability of fluid antenna systems (FASs) and reconfigurable intelligent surfaces (RISs) provides significant flexibility in optimizing channel conditions by jointly ad…

cs.IT2024

Decentralized MIMO Systems with Imperfect CSI using LMMSE Receivers

Zeyan Zhuang, Xin Zhang, Dongfang Xu +2

Centralized baseband processing (CBP) is required to achieve the full potential of massive multiple-input multiple-output (MIMO) systems. However, due to the large number of antenn…

cs.IT2024

Resource Allocation Design for Next-Generation Multiple Access: A Tutorial Overview

Zhiqiang Wei, Dongfang Xu, Shuangyang Li +3

Multiple access is the cornerstone technology for each generation of wireless cellular networks and resource allocation design plays a crucial role in multiple access. In this pape…

cs.IT2024

Fundamental Limits of Optical Fiber MIMO Channels With Finite Blocklength

Xin Zhang, Dongfang Xu, Shenghui Song +1

The multiple-input and multiple-output (MIMO) technique is regarded as a promising approach to boost the throughput and reliability of optical fiber communications. However, the fu…

cs.IT2024

Interference Mitigation for Network-Level ISAC: An Optimization Perspective

Dongfang Xu, Yiming Xu, Xin Zhang +3

Future wireless networks are envisioned to simultaneously provide high data-rate communication and ubiquitous environment-aware services for numerous users. One promising approach…

cs.IT2024

Fundamental Limits of Two-Hop MIMO Channels: An Asymptotic Approach

Zeyan Zhuang, Xin Zhang, Dongfang Xu +1

Multi-antenna relays and intelligent reflecting surfaces (IRSs) have been utilized to construct favorable channels to improve the performance of wireless systems. A common feature…

cs.IT2023

Sensing-Enhanced Secure Communication: Joint Time Allocation and Beamforming Design

Dongfang Xu, Yiming Xu, Zhiqiang Wei +2

The integration of sensing and communication enables wireless communication systems to serve environment-aware applications. In this paper, we propose to leverage sensing to enhanc…

cs.IT2023

Globally Optimal Resource Allocation Design for Discrete Phase Shift IRS-Assisted Multiuser Networks with Perfect and Imperfect CSI

Yifei Wu, Dongfang Xu, Derrick Wing Kwan Ng +2

Intelligent reflecting surfaces (IRSs) are a promising low-cost solution for achieving high spectral and energy efficiency in future communication systems by enabling the customiza…