10 papers
RadioTrace: Transmitter-Aware Diffusion for Radio Map Estimation without Deployment-Time Fine-Tuning
Liu Yang, Qiang Li, Zhuo Cao +3
Radio map (RM) estimation aims to reconstruct the spatial distribution of wireless signal characteristics, such as received signal strength (RSS), from sparse measurements, a task…
Fairness-Aware Beamforming for Polarimetric ISAC Systems with Polarization-Reconfigurable Antennas
Weijie Xiong, Jingran Lin, Di Jiang +4
Polarization diversity offers significant flexibility for enhancing integrated sensing and communications (ISAC). However, conventional dual-polarized arrays typically require dedi…
Low-Cost Physical-Layer Security Design for IRS-Assisted mMIMO Systems with One-Bit DACs
Weijie Xiong, Jian Yang, Jingran Lin +3
Integrating massive multiple-input multiple-output (mMIMO) systems with intelligent reflecting surfaces (IRS) presents a promising paradigm for enhancing physical-layer security (P…
Cooperative Double IRS aided Secure Communication for MIMO-OFDM Systems
Weijie Xiong, Jingran Lin, Di Jiang +3
Cooperative double intelligent reflecting surface (double-IRS) has emerged as a promising approach for enhancing physical layer security (PLS) in MIMO systems. However, existing st…
Secure Analog Beamforming for Multi-user MISO Systems with Movable Antennas
Weijie Xiong, Jingran Lin, Kai Zhong +4
Movable antennas (MAs) represent a novel approach that enables flexible adjustments to antenna positions, effectively altering the channel environment and thereby enhancing the per…
Secure Beamforming Design for IRS-ISAC Systems with a Hardware-Efficient Hybrid Beamforming Architecture
Weijie Xiong, Zhenglan Zhao, Jingran Lin +2
In this paper, we employ a hardware-efficient hybrid beamforming (HB) architecture to achieve balanced performance in an intelligent reflecting surface (IRS)-assisted integrated se…