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

Author

Lei Liu

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2026

Cooperative Distributed Detection for Oversampled Random Multiplexing Systems

Random multiplexing (RM) with approximate message passing (AMP)-type detectors effectively address doubly-selective fading in high-mobility scenarios while achieving maximum a posteriori (MAP) bit-error rate performance. To further improve RM performance, this paper considers oversampling at an integer multiple of the...

Jun Lu, Lei Liu, Tsung-Hui Chang et al. · 0 citations
Preprint Aug 2026

A Universal Random Precoding Framework for MIMO Systems

Current wireless systems combat inter-symbol interference (ISI) by diagonalizing or sparsifying the channel matrix, yet they remain vulnerable to selective fading. To address this, we propose a universal random precoding (RP) transmission framework based on the universality class. RP leverages random transforms to stat...

Jiazhen Dong, Lei Liu, Xiao-Jun Yuan et al. · 0 citations

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