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- W4381551157 abstract "In this paper, we consider an active reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle(UAV)-enabled simultaneous wireless information and power transfer(SWIPT) system with multiple ground users. Compared with the conventional passive RIS, the active RIS deploying the internally integrated amplifiers can offset part of the multiplicative fading. In this system, we deal with an optimization problem of minimizing the total energy cost of the UAV. Specifically, we alternately optimize the trajectories, the hovering time, and the reflection vectors at the active RIS by using the successive convex approximation (SCA) method. Simulation results show that the active RIS performs better in energy saving than the conventional passive RIS." @default.
- W4381551157 created "2023-06-22" @default.
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- W4381551157 date "2023-06-16" @default.
- W4381551157 modified "2023-10-14" @default.
- W4381551157 title "Energy Minimization for Active RIS-Aided UAV-Enabled SWIPT Systems" @default.
- W4381551157 doi "https://doi.org/10.48550/arxiv.2306.10233" @default.
- W4381551157 hasPublicationYear "2023" @default.
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