activity
20242026
collaborators

13 papers

eess.SP2026

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,…

eess.SP2026

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…

eess.SP2025

Trajectory Design for UAV-Based Low-Altitude Wireless Networks in Unknown Environments: A Digital Twin-Assisted TD3 Approach

Jihao Luo, Zesong Fei, Xinyi Wang +4

Unmanned aerial vehicles (UAVs) are emerging as key enablers for low-altitude wireless network (LAWN), particularly when terrestrial networks are unavailable. In such scenarios, th…

eess.SP2025

Towards Secure ISAC Beamforming: How Many Dedicated Sensing Beams Are Required?

Fanghao Xia, Zesong Fei, Xinyi Wang +4

In this paper, sensing-assisted secure communication in a multi-user multi-eavesdropper integrated sensing and communication (ISAC) system is investigated. Confidential communicati…

eess.SP2025

Wireless Powered MEC Systems via Discrete Pinching Antennas: TDMA versus NOMA

Peng Liu, Zesong Fei, Meng Hua +3

Pinching antennas (PAs), a new type of reconfigurable and flexible antenna structures, have recently attracted significant research interest due to their ability to create line-of-…

eess.SP2025

A Novel Symbol Level Precoding based AFDM Transmission Framework: Offloading Equalization Burden to Transmitter Side

Shuntian Tang, Zesong Fei, Xinyi Wang +3

Affine Frequency Division Multiplexing (AFDM) has attracted considerable attention for its robustness to Doppler effects. However, its high receiver-side computational complexity r…