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

Author

Lu Gan

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2 papers indexed here

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Open access 2026

Hierarchical Codebook-Based Analog Beamforming Design for SIM-Assisted Communication Systems

Stacked intelligent metasurface (SIM) can perform signal processing in the wave domain by intelligently optimizing the phase shifts of transmissive meta-elements on each layer. However, it typically requires high overhead to acquire channel state information. In this letter, we propose a hierarchical codebook design fo...

Zhi-Heng Yu, Jian-Cheng An, Lu Gan et al. · 0 citations
Conference Aug 2026

Flexible Intelligent Metasurface-Aided Wideband Multiuser MISO Communication Systems

Flexible intelligent metasurface (FIM) has emerged as a promising antenna technology for next-generation wideband communications, owing to its capability of dynamic three-dimensional surface-shape morphing. Unlike a conventional rigid uniform planar array (UPA), the FIM provides an additional geometric degree of freedo...

Aole Ming, Jian-Cheng An, Zi-Hao Teng et al. · 0 citations

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