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

Author

Bo Ai

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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
#federated learning Preprint Oct 2026

Multi-Agent Reinforcement Learning for Movable Antenna-aided Cell-Free Massive MIMO Systems

This work proposes the graph-based learning individual intrinsic reward heterogeneous-agent proximal policy optimization (GLIIR-HAPPO) algorithm, a novel heterogeneous multi-agent reinforcement learning (MARL) framework that fundamentally overcomes this impasse by systematically decomposing the original coupled optimiz...

Bo-Kai Xu, Jia-Yi Zhang, Shuai-Fei Chen et al. · 0 citations
2026

Wireless Fronthauls in Full-Duplex Cell-Free Massive MIMO Systems

In this paper, we investigate a full-duplex (FD) cell-free massive multiple-input multiple-output (CF mMIMO) architecture with millimeter wave (mmWave) fronthaul, where uplink (UL) and downlink (DL) payload data and control signaling must be simultaneously supported. We first revisit the fronthaul requirements of repre...

Zhi-Long Liu, Jia-Yi Zhang, En-Yu Shi et al. · 0 citations

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