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Joint Angle and Array Gain-Phase Errors Estimation Using PM-like Algorithm for Bistatic MIMO Radar

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Abstract

This paper discusses the problem of the direction of departure (DOD) and the direction of arrival (DOA) estimation for multi-input multi-output (MIMO) radar with array gain-phase errors. In this paper, we propose a propagator method (PM)-like algorithm for joint angle and array gain-phase errors estimation in MIMO radar. The proposed method not only yields automatically paired estimates of the angles and gain-phase errors but also has much better gain-phase errors estimation performance than the estimation of signal parameters via rotational invariance techniques (ESPRIT)-like algorithm; this has higher computational cost than the proposed algorithm. Furthermore, the proposed algorithm has angle estimation performance very close to ESPRIT-like algorithm. We also derive the Cramér–Rao bound (CRB) for MIMO radar with array gain-phase errors. Simulation results present the usefulness of our approach.

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Acknowledgements

This work is supported by China NSF Grants (60801052), Jiangsu Planned Projects for Postdoctoral Research Funds (1201039C), Open project of key laboratory of underwater acoustic communication and marine information technology (Xiamen University) and the Fundamental Research Funds for the Central Universities (NZ2012010, kfjj120115, kfjj20110215).

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Authors and Affiliations

  1. College of Electronic and Information Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016, China

    Chen Chen & Xiaofei Zhang

  2. Nanjing Panda Electronics Group, Nanjing, 210002, China

    Xiaofei Zhang

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  1. Chen Chen
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  2. Xiaofei Zhang
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Correspondence to Chen Chen.

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Chen, C., Zhang, X. Joint Angle and Array Gain-Phase Errors Estimation Using PM-like Algorithm for Bistatic MIMO Radar. Circuits Syst Signal Process 32, 1293–1311 (2013). https://doi.org/10.1007/s00034-012-9502-2

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  • DOI: https://doi.org/10.1007/s00034-012-9502-2

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