7 papers · 1 filter
Intelligent Beamforming and Handover via Physics-Informed Beam-Aware CKM Diffusion
Le Zhao, Zesong Fei, Xinyi Wang +4
Downlink communications from base stations (BSs) to unmanned aerial vehicles (UAVs) in sixth-generation (6G) networks require precise beam alignment to overcome severe mobile commu…
Active Learning for Channel Knowledge Map Construction via Bayesian Inference Diffusion Models
Yunzhe Zhu, Xuewen Liao, Zhenzhen Gao +2
Channel knowledge maps (CKMs) are regarded as key enablers of environment-aware communications in future wireless networks, as they provide location-specific channel information by…
Towards Intelligent Low-Altitude Wireless Network Deployment: Differentiable Channel Knowledge Map Construction and Trajectory Design
Le Zhao, Zesong Fei, Wenge Shi +4
Channel knowledge map (CKM) has emerged as a promising technique to leverage prior propagation knowledge in low-altitude wireless networks (LAWNs), yet state-of-the-art grid-based…
A Scalable Cloud-Edge Collaborative CKM Construction Framework Enabled by a Foundation Prior Model
Sixu Xiao, Yong Zeng, Haotian Rong +1
Channel knowledge maps (CKMs) provide a site-specific, location-indexed knowledge base that supports environment-aware communications and sensing in 6G networks. In practical deplo…
BeamCKMDiff: Beam-Aware Channel Knowledge Map Construction via Diffusion Transformer
Le Zhao, Yining Wang, Xinyi Wang +2
Channel knowledge map (CKM) is emerging as a critical enabler for environment-aware 6G networks, offering a site-specific database to significantly reduce pilot overhead. However,…
Effective outdoor pathloss prediction: A multi-layer segmentation approach with weighting map
Yuan Gao, Tao Wen, Wenjing Xie +4
Predicting pathloss by considering the physical environment is crucial for effective wireless network planning. Traditional methods, such as ray tracing and model-based approaches,…
Channel Knowledge Map Construction via Physics-Inspired Diffusion Model Without Prior Observations
Yunzhe Zhu, Xuewen Liao, Zhenzhen Gao +2
The ability to construct channel knowledge map (CKM) with high precision is essential for environment awareness in 6G wireless systems. However, most existing CKM construction meth…