We propose a design strategy for optimizing antenna positions in linear arrays for far-field Direction of Arrival (DoA) estimation of narrow-band sources in collocated MIMO radar. Our methodology allows to consider any spatial constraints and number of antennas, using as optimization function the Weiss-Weinstein bound formulated for an observation model with random target phase and known SNR, over a pre-determined Field-of-View (FoV). Optimized arrays are calculated for the typical case of a 77GHz MIMO radar of 3Tx and 4Rx channels. Simulations demonstrate a performance improvement of the proposed arrays compared to the corresponding uniform and minimum redundancy arrays for a wide regime of SNR values.


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    Title :

    Constrained optimal design of automotive radar arrays using the Weiss-Weinstein Bound




    Publication date :

    2018-04-01


    Size :

    1963660 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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