Relaxed Multi-Tx DDM Online Calibration Article Swipe

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Mayeul Jeannin , Oliver Lang , Farhan Khalid , Dian Nugraha , Mario Huemer ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2406.17320

In multiple-input and multiple-output (MIMO) radar systems based on Doppler-division multiplexing (DDM), phase shifters are employed in the transmit paths and require calibration strategies to maintain optimal performance all along the radar system's life cycle. In this paper, we propose a novel family of DDM codes that enable an online calibration of the phase shifters that scale realistically to any number of simultaneously activated transmit (Tx)-channels during the calibration frames. To achieve this goal we employ the previously developed odd-DDM (ODDM) sequences to design calibration DDM codes with reduced inter-Tx leakage. The proposed calibration sequence is applied to an automotive radar data set modulated with erroneous phase shifters.

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Calibration Computer science Mathematics Statistics

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2406.17320
PDF: https://arxiv.org/pdf/2406.17320
OA Status: green
Related Works: 10
OpenAlex ID: https://openalex.org/W4400064867

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OpenAlex ID: https://openalex.org/W4400064867

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DOI: https://doi.org/10.48550/arxiv.2406.17320

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Title: Relaxed Multi-Tx DDM Online Calibration

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Type: preprint

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Language: en

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Publication year: 2024

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Publication date: 2024-06-25

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Authors: Mayeul Jeannin, Oliver Lang, Farhan Khalid, Dian Nugraha, Mario Huemer

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Landing page: https://arxiv.org/abs/2406.17320

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PDF URL: https://arxiv.org/pdf/2406.17320

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Open access: Yes

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OA status: green

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OA URL: https://arxiv.org/pdf/2406.17320

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Concepts: Calibration, Computer science, Mathematics, Statistics

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Cited by: 0

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Related works (count): 10

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