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Author

Chia-Chang Hu

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Open access 2026

Sum-Rate Maximization of RSMA-Based STAR-RIS-Mounted UAV Communications With Proximal Policy Optimization

This paper investigates joint sum-rate maximization in a downlink multi-user multiple-input single-output (MISO) system in which rate-splitting multiple access (RSMA) transmission is assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) mounted on an unmanned aerial vehi...

Chia-Chang Hu, Yu-Han Yao · 0 citations
Open access 2026

Sum-Rate Optimization for Multi-User Fluid Antenna MISO Systems via ConvCNP-Assisted D3QN Port Selection

This paper concentrates on the port-selection problem in a multi-user multiple-input single-output (MU-MISO) fluid antenna system (FAS). Since a huge amount of candidate ports are available, exhaustive search under full channel state information (CSI) introduces high probing and computational cost. A decision framework...

Chia-Chang Hu, Yu-Min Chen · 0 citations

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