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Author

Ke-Feng Guo

2 papers indexed here

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2026

Hierarchical Resource Optimization for Covert SAGINs: A Stackelberg-Matching Game Approach

To strengthen the security of large-scale space-air-ground integrated networks (SAGINs), this paper investigates covert communication against non-cooperative ground base stations (BSs) that detect satellite transmissions via signal power monitoring. In this scenario, numerous low-earth-orbit (LEO) satellites deployed a...

Min Wu, Ke-Feng Guo, Theodoros A. Tsiftsis et al. · 0 citations
Conference Aug 2026

Downlink Hybrid Non-Orthogonal Multiple Access Energy Minimization Design for Ultra-Massive MIMO Near-Field Communications

This paper proposes a hybrid non-orthogonal multiple access (NOMA) framework for tacking the energy efficiency optimization problem of serving additional users with pre-configured beams in the near-field downlink of ultra-massive multiple-input multiple-output (MIMO) systems. This proposed approach formulates a resourc...

Jing Ye, Ke-Feng Guo, Guang-Xia Li et al. · 0 citations

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