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Browsing by Author "Dai, Chia-Wei"

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    A closed-form phase-comparison ML DOA estimator for automotive radar with one single snapshot
    (2013)
    Huang, Chung-Jung
    ;
    Dai, Chia-Wei
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    Tsai, Tsung-Yu
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    Chung, Wei-Ho
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    Lee, Ta-Sung
    In automotive radar systems, only a small number of snapshots are available for direction-of-arrival (DOA) estimation in high mobility scenarios. We here propose a closed-form single-snapshot maximum likelihood (ML) DOA estimator based on the phase-comparison technique. The estimator can be effective in a wide field-of-view (FOV) scenario and is robust to gain-mismatch effects among antenna elements. Computer simulations are conducted to confirm the effectiveness of the proposed method.