4 papers · 1 filter
Distributed MoE-based Uplink Detection for Cell-Free Communication Systems
Le Zhao, Xuesong Pan, Xinyi Wang +2
Cell-free Massive multiple input and multiple output (MIMO) is recognized as a key technology for beyond-5G networks, where distributed access points (APs) jointly serve user equip…
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…
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,…
Doppler-Resilient LEO Satellite OFDM Transmission with Affine Frequency Domain Pilot
Shuntian Tang, Xiaomei Wu, Xinyi Wang +5
Orthogonal frequency division multiplexing (OFDM) based low Earth orbit (LEO) satellite communication system suffers from severe Doppler shifts, while {the Doppler-resilient affine…