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- W4385963886 abstract "Multiple-antenna technologies are advancing towards large-scale aperture sizes and extremely high frequencies, leading to the emergence of near-field communications (NFC) in future wireless systems. To this context, we investigate the degree of freedom (DoF) in near-field multiple-input multiple-output (MIMO) systems. We consider both spatially discrete (SPD) antennas and continuous aperture (CAP) antennas. Additionally, we explore three important DoF-related performance metrics and examine their relationships with the classic DoF. Numerical results demonstrate the benefits of NFC over far-field communications (FFC) in terms of providing increased spatial DoFs. We also identify promising research directions for NFC from a DoF perspective." @default.
- W4385963886 created "2023-08-18" @default.
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- W4385963886 date "2023-08-01" @default.
- W4385963886 modified "2023-09-27" @default.
- W4385963886 title "Near-Field Communications: A Degree-of-Freedom Perspective" @default.
- W4385963886 doi "https://doi.org/10.48550/arxiv.2308.00362" @default.
- W4385963886 hasPublicationYear "2023" @default.
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