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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Zi-Hao Zhao

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2 papers indexed here

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2026

Flexible Intelligent Metasurfaces for Enhancing Secure MISO Communications

This letter investigates flexible intelligent metasurface (FIM)-aided secure multiple-input single-output (MISO) communications in the presence of a multi-antenna eavesdropper. By exploiting the morphing capability of the FIM, the transmit array geometry can be dynamically reconfigured to reshape the legitimate and eav...

Zi-Hao Teng, Zi-Hao Zhao, Jian-Cheng An et al. · 0 citations
Sep 2026

Aging microenvironment induces CD8+ T cell exhaustion by suppressing hepatic β-hydroxybutyrylate synthesis.

The metabolic mechanisms by which aging blunts CD8+ T cell antitumor and pathogen defense remain unknown. We demonstrate that the aged microenvironment induces CD8+ T cell exhaustion by reducing β-hydroxybutyrate (3HB) bioavailability. Aging represses hepatic BDH1-dependent 3HB synthesis, restricting SLC16A1-mediated 3...

Yi-Feng Xiao, Yan-Ling Zhang, Zi-Hao Zhao et al. · 0 citations

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