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On the Jamming Rejection Features of Near-field Beamforming | IEEE Conference Publication | IEEE Xplore

On the Jamming Rejection Features of Near-field Beamforming


Abstract:

Large multiple antenna systems have been widely used in 5G for improved spectral efficiencies. For 6G, even bigger arrays are being proposed to obtain larger gains and/or...Show More

Abstract:

Large multiple antenna systems have been widely used in 5G for improved spectral efficiencies. For 6G, even bigger arrays are being proposed to obtain larger gains and/or to reduce interference levels. When the physical size of the array is large compared to the propagation distance, communication might occur in the near-field regime, which requires channel models that capture the curvature of the spherical waves. In this paper, we consider the near-field communication regime and study the jamming rejection features of an extremely large array (ELAA). Due to the focusing effect available in the near-field, it is shown that the jamming rejection features in this region are much stronger than the ones associated with far-field. Therefore, near-field beam-focusing constitutes an interesting physical layer security (PLS) technique for 6G communications. 1
Date of Conference: 20-23 June 2023
Date Added to IEEE Xplore: 14 August 2023
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Conference Location: Florence, Italy

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