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DIRECTION FINDING FOR BISTATIC MIMO RADAR WITH NON-CIRCULAR SOURCES

By H. Chen, X. Zhang, Y. Bai, and J. Ma

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Abstract:
A new direction finding method for multiple-input multiple-output (MIMO) radar with non-circular sources is proposed. The method takes advantage of the properties of non-circular sources to formulate a new virtual array. Then based on the ESPRIT like algorithm, the bearing of targets is estimated. In addition, the direction of departure (DOD) and direction of arrival (DOA) are paired automatically. Compared with the uniform circular array estimation of signal parameters by rotational invariance techniques (UCA-ESPRIT), the proposed method achieves better estimation performance and can deal with more sources. We also provide the Cramer-Rao Lower Bound (CRLB) for comparison. Simulation results demonstrate the effectiveness and feasibility of the proposed method.

Citation:
H. Chen, X. Zhang, Y. Bai, and J. Ma, "Direction Finding for Bistatic MIMO Radar with Non-Circular Sources," Progress In Electromagnetics Research M, Vol. 66, 173-182, 2018.
doi:10.2528/PIERM18010913

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