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- W4320029345 abstract "This paper evaluates the performance of multi-user massive multiple-input multiple-output (MIMO) systems in which the base station is equipped with a dynamic metasurface antenna (DMA). Due to the physical implementation of DMAs, conventional models widely-used in MIMO are no longer valid, and electromagnetic phenomena such as mutual coupling, insertion losses and reflections inside the waveguides need to be considered. Hence, starting from a recently proposed electromagnetic model for DMAs, we formulate a zero-forcing optimization problem, yielding an unconstrained objective function with known gradient. The performance is compared with that of full-digital and hybrid massive MIMO, focusing on the impact of insertion losses and mutual coupling." @default.
- W4320029345 created "2023-02-12" @default.
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- W4320029345 date "2022-12-04" @default.
- W4320029345 modified "2023-10-15" @default.
- W4320029345 title "Performance Evaluation of Dynamic Metasurface Antennas: Impact of Insertion Losses and Coupling" @default.
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- W4320029345 doi "https://doi.org/10.1109/globecom48099.2022.10001283" @default.
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