21 citations · 22 across the 60 of their papers we have counts for
16 papers · 1 filter
Channel Customization for Low-Complexity CSI Acquisition in Multi-RIS-Assisted MIMO Systems
Weicong Chen, Yu Han, Chao-Kai Wen +2
The deployment of multiple reconfigurable intelligent surfaces (RISs) enhances the propagation environment by improving channel quality, but it also complicates channel estimation.…
ISAC Prototype System for Multi-Domain Cooperative Communication Networks
Jie Yang, Hang Que, Tao Du +4
Future wireless networks are poised to transform into integrated sensing and communication (ISAC) networks, unlocking groundbreaking services such as digital twinning. To harness t…
Machine Learning-Based Direct Source Localization for Passive Movement-Driven Virtual Large Array
Shang-Ling Shih, Chao-Kai Wen, Chau Yuen +1
This paper introduces a novel smartphone-enabled localization technology for ambient Internet of Things (IoT) devices, leveraging the widespread use of smartphones. By utilizing th…
Position-Aided Semantic Communication for Efficient Image Transmission: Design, Implementation, and Experimental Results
Peiwen Jiang, Chao-Kai Wen, Shi Jin +1
Semantic communication, augmented by knowledge bases (KBs), offers substantial reductions in transmission overhead and resilience to errors. However, existing methods predominantly…
Adaptive Wireless Image Semantic Transmission: Design, Simulation, and Prototype Validation
Jiarun Ding, Peiwen Jiang, Chao-Kai Wen +1
The rapid development of artificial intelligence has significantly advanced semantic communications, particularly in wireless image transmission. However, most existing approaches…
Efficient Deep Learning-based Cascaded Channel Feedback in RIS-Assisted Communications
Yiming Cui, Jiajia Guo, Chao-Kai Wen +1
In the realm of reconfigurable intelligent surface (RIS)-assisted communication systems, the connection between a base station (BS) and user equipment (UE) is formed by a cascaded…
Rotatable Block-Controlled RIS: Bridging the Performance Gap to Element-Controlled Systems
Weicong Chen, Xinyi Yang, Chao-Kai Wen +5
The passive reconfigurable intelligent surface (RIS) requires numerous elements to achieve adequate array gain, which linearly increases power consumption (PC) with the number of r…
Mid-Band Extra Large-Scale MIMO System: Channel Modeling and Performance Analysis
Jiachen Tian, Yu Han, Xiao Li +2
In pursuit of enhanced quality of service and higher transmission rates, communication within the mid-band spectrum, such as bands in the 6-15 GHz range, combined with extra large-…
Mini-Batch Gradient-Based MCMC for Decentralized Massive MIMO Detection
Xingyu Zhou, Le Liang, Jing Zhang +2
Massive multiple-input multiple-output (MIMO) technology has significantly enhanced spectral and power efficiency in cellular communications and is expected to further evolve towar…
Deep Learning-based CSI Feedback in Wi-Fi Systems
Fan Qi, Jiajia Guo, Yiming Cui +3
In Wi-Fi systems, channel state information (CSI) plays a crucial role in enabling access points to execute beamforming operations. However, the feedback overhead associated with C…
Efficient IoT Devices Localization Through Wi-Fi CSI Feature Fusion and Anomaly Detection
Yan Li, Jie Yang, Shang-Ling Shih +3
Internet of Things (IoT) device localization is fundamental to smart home functionalities, including indoor navigation and tracking of individuals. Traditional localization relies…
Near-Optimal MIMO Detection Using Gradient-Based MCMC in Discrete Spaces
Xingyu Zhou, Le Liang, Jing Zhang +2
The discrete nature of transmitted symbols poses challenges for achieving optimal detection in multiple-input multiple-output (MIMO) systems associated with a large number of anten…
Adaptive Wireless Image Semantic Transmission and Over-The-Air Testing
Jiarun Ding, Peiwen Jiang, Chao-Kai Wen +1
Semantic communication has undergone considerable evolution due to the recent rapid development of artificial intelligence (AI), significantly enhancing both communication robustne…
Semantic Satellite Communications Based on Generative Foundation Model
Peiwen Jiang, Chao-Kai Wen, Xiao Li +2
Satellite communications can provide massive connections and seamless coverage, but they also face several challenges, such as rain attenuation, long propagation delays, and co-cha…
Fourier Transform-based Wavenumber Domain 3D Imaging in RIS-aided Communication Systems
Yixuan Huang, Jie Yang, Wankai Tang +2
Radio imaging is rapidly gaining prominence in the design of future communication systems, with the potential to utilize reconfigurable intelligent surfaces (RISs) as imaging apert…
RIS-aided Single-frequency 3D Imaging by Exploiting Multi-view Image Correlations
Yixuan Huang, Jie Yang, Chao-Kai Wen +1
Retrieving range information in three-dimensional (3D) radio imaging is particularly challenging due to the limited communication bandwidth and pilot resources. To address this iss…