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Author

Mei-Xia Tao

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Preprint Sep 2026

Lightweight Generative Image Semantic Communication over Packet Erasure Channels

This paper addresses packet loss in semantic communication caused by network congestion or channel fluctuations. We propose LGSemCom, a lightweight generative packet-level joint source-channel coding (JSCC) framework for efficient and robust image transmission over packet erasure channels. Unlike conventional distortio...

Yu-Fei Bo, Hao-Shuo Zhang, Mei-Xia Tao et al. · 0 citations
Conference Aug 2026

Joint Coding-Shaping-Modulation for Digital Semantic Communications

Existing digital semantic communication schemes rely on predefined conventional constellations. Such designs overlook the potential of optimizing constellation geometry for specific semantic tasks. Meanwhile, traditional constellation geometric shaping methods are inadequate for semantics-oriented communication tasks....

Le-Yan Chen, Yu-Fei Bo, Mei-Xia Tao · 0 citations
2026

A Heterogeneous Multiagent Reinforcement Learning Approach for Robust Uplink Beamforming in Maritime Satellite Communications

Maritime satellite communications (SATCOMs) are expected to support high-capacity ship-to-satellite uplinks for remote maritime services beyond terrestrial coverage, with low-Earth-orbit (LEO) satellites providing wide-area connectivity. However, robust uplink beamforming in LEO maritime SATCOMs is challenging because...

Huayuan Wang, Bodong Shang, Meixia Tao · 0 citations

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