5 papers
Multimodal Learning for MIMO Beam Prediction Based on Variational Inference
Zijian Zheng, Wenqiang Yi, Hyundong Shin +1
Accurate beam prediction is essential for mitigating signalling overhead and latency in integrated sensing and communication-enabled massive multi-input multi-output systems. With…
Joint Segment Activation and Antenna Placement for Uplink SWAN Systems
Songnan Gu, Zhenqiao Cheng, Hao Jiang +3
This article analyzes the achievable sum-rate of multiuser uplink segmented waveguide-enabled pinching-antenna systems (SWANs). To unveil system-design insights, an upper bound on…
Fluid Antennas Assisted RIS-NOMA Communication Networks
Xinwei Yue, He Geng, Jingjing Zhao +3
This paper introduces a fluid antenna system (FAS) into reconfigurable intelligent surface (RIS) assisted non-orthogonal multiple access (NOMA) communication networks, where the no…
Sampling-Free Diffusion Transformers for Low-Complexity MIMO Channel Estimation
Zhixiong Chen, Hyundong Shin, Arumugam Nallanathan
Diffusion model-based channel estimators have shown impressive performance but suffer from high computational complexity because they rely on iterative reverse sampling. This paper…
Large Language Model-Empowered Decision Transformer for UAV-Enabled Data Collection
Zhixion Chen, Jiangzhou Wang, Hyundong Shin +1
The deployment of unmanned aerial vehicles (UAVs) for reliable and energy-efficient data collection from spatially distributed devices holds great promise in supporting diverse Int…