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- W4386763375 abstract "Massive arrays are used in mmWave channels to compensate for the severe propagation path loss. One of the common challenges is the beam steering and selection. In this work, we use true-time-delay to minimize the beam training overhead associated with large number of antennas in mmWave. We propose an angle-of-arrival estimation algorithm that leverages the degrees of freedom introduced by hybrid beamforming system and thus, allows for single-shot, i.e., single-pilot, estimation process with good performance. The proposed algorithm improves the 5 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>th</sup> percentile beamforming gain compared to the existing single-shot algorithms. Our simulations show that the proposed algorithm enhances the receiver’s sensitivity by 3 dB when using hybrid arrays. We show that at relatively fair SNR, the number of analog-to-digital converters at the receiver side can be decreased without significant performance loss, thus saving power and area." @default.
- W4386763375 created "2023-09-16" @default.
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- W4386763375 date "2023-08-15" @default.
- W4386763375 modified "2023-09-26" @default.
- W4386763375 title "Enhanced Single-Shot Beam Training for True-Time-Delay Hybrid Beamforming Architecture" @default.
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- W4386763375 doi "https://doi.org/10.1109/iccce58854.2023.10246044" @default.
- W4386763375 hasPublicationYear "2023" @default.
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