87 citations · 198 across the 17 of their papers we have counts for
18 papers
RFWeave: Learning Wireless Propagation Across Scenes and Transceiver Configurations
Shurui Xu, Xiao Ye, Yijie Bian +5
Wireless propagation modeling is foundational to the evaluation and design of modern communication systems. To achieve accurate wireless propagation prediction, recent learning-bas…
OpenRIS: Democratizing reconfigurable intelligent surfaces for real-world wireless enhancements
Weicong Chen, Junjie Ai, Lin Bai +7
Wireless enhancement is critical for next-generation mobile communication systems to realize seamless connectivity, yet traditional network expansion strategies are becoming econom…
WirelessOpsAgent: A Benchmark and Agent Design for Action Assurance in Wireless Networks
Zijian Lu, Yiping Zuo, Hao Xu +4
Large language model (LLM) agents are emerging as planners for autonomous wireless network operations. Yet a task answer that is correct at proposal time can still be unsafe at exe…
Planar Diffractive Neural Networks Empowered Communications: A Spatial Modulation Scheme
Xiaokun Teng, Yanqing Ren, Weicong Chen +3
Diffractive neural networks, where signal processing is embedded into wave propagation, promise light-speed and energy-efficient computation. However, existing three-dimensional st…
Cylindrical RIS-Assisted Low-Complexity Transmission with Differentiated Visible Regions Exploiting Statistical CSI
Wenjun Teng, Weicong Chen, Yiping Zuo +2
Reconfigurable intelligent surfaces (RIS), recognized as a critical enabler for 6G networks, exhibit unprecedented capabilities in electromagnetic wave manipulation and wireless ch…
Joint Spatial Division and Multiplexing with Customized Orthogonal Group Channels in Multi-RIS-Assisted Systems
Weicong Chen, Chao-Kai Wen, Wankai Tang +2
Reconfigurable intelligent surfaces (RISs) offer the unique capability to reshape the radio environment, thereby simplifying transmission schemes traditionally contingent on channe…
Limited Feedback in RIS-Assisted Wireless Communications: Use Cases, Challenges, and Future Directions
Weicong Chen, Jiajia Guo, Yiming Cui +2
Channel state information (CSI) is essential to unlock the potential of reconfigurable intelligent surfaces (RISs) in wireless communication systems. Since massive RIS elements are…
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.…
Fluid Antenna-enabled Integrated Sensing, Communication, and Computing Systems
Yiping Zuo, Jiajia Guo, Weicong Chen +4
The current integrated sensing, communication, and computing (ISCC) systems face significant challenges in both efficiency and resource utilization. To tackle these issues, we prop…
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…
Performance Evaluation for Subarray-based Reconfigurable Intelligent Surface-Aided Wireless Communication Systems
Xinyi Yang, Weicong Chen, Xiao Li +1
Reconfigurable intelligent surfaces (RISs) have received extensive concern to improve the performance of wireless communication systems. In this paper, a subarray-based scheme is i…
Rank Optimization for MIMO Channel with RIS: Simulation and Measurement
Shengguo Meng, Wankai Tang, Weicong Chen +5
Reconfigurable intelligent surface (RIS) is a promising technology that can reshape the electromagnetic environment in wireless networks, offering various possibilities for enhanci…
Multi-timescale Channel Customization for Transmission Design in RIS-assisted MIMO Systems
Weicong Chen, Chao-Kai Wen, Xiao Li +1
The performance of transmission schemes is heavily influenced by the wireless channel, which is typically considered an uncontrollable factor. However, the introduction of reconfig…
Channel Customization for Limited Feedback in RIS-assisted FDD Systems
Weicong Chen, Chao-Kai Wen, Xiao Li +2
Reconfigurable intelligent surfaces (RISs) represent a pioneering technology to realize smart electromagnetic environments by reshaping the wireless channel. \textcolor[rgb]{0,0,0}…
Channel Customization for Joint Tx-RISs-Rx Design in Hybrid mmWave Systems
Weicong Chen, Chao-Kai Wen, Xiao Li +1
In strong line-of-sight millimeter-wave (mmWave) wireless systems, the rank-deficient channel severely hampers spatial multiplexing. To address this inherent deficiency, multiple r…
Sparse Array of Sub-surface Aided Anti-blockage mmWave Communication Systems
Weicong Chen, Xi Yang, Shi Jin +1
Recently, reconfigurable intelligent surfaces (RISs) have drawn intensive attention to enhance the coverage of millimeter wave (mmWave) communication systems. However, existing wor…
Adaptive Bit Partitioning for Reconfigurable Intelligent Surface Assisted FDD Systems with Limited Feedback
Weicong Chen, Chao-Kai Wen, Xiao Li +1
In frequency division duplexing systems, the base station (BS) acquires downlink channel state information (CSI) via channel feedback, which has not been adequately investigated in…
Angle-Dependent Phase Shifter Model for Reconfigurable Intelligent Surfaces: Does the Angle-Reciprocity Hold?
Weicong Chen, Lin Bai, Wankai Tang +3
The existing phase shifter models adopted for reconfigurable intelligent surfaces (RISs) have ignored the electromagnetic (EM) waves propagation behavior, thus cannot reveal practi…