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DOA and DOD Estimation Based on Double 1-D Root-MVDR Estimators for Bistatic MIMO Radars

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Abstract

This paper deals with direction of arrival (DOA) and direction of departure (DOD) estimation of existing targets based on polynomial root finding estimators with minimum variance distortionless response (MVDR) criterion in bistatic multi-input multi-output radar systems. First, the presented estimator transforms the conventional two-dimensional searching approach into double one-dimensional polynomial root-MVDR approach for DOA and DOD estimation. Thus, the pairing operation can be obtained automatically. Second, to mitigate the influence of noise corruption and the estimate radial bias, we also presented a differential polynomial root-MVDR estimator to obtain more accuracy estimation performance. Finally, simulation results are provided to verify the efficiency of the proposed estimators.

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Acknowledgments

The authors would like to thank the anonymous reviewers for their valuable and constructive comments, which helped to improve the presentation of the paper. This research was supported by the Ministry of Science and Technology under grant number MOST 104-2221-E-275-006.

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Authors and Affiliations

  1. Department of Automatic Control Engineering, Feng Chia University, Taichung, 407, Taiwan, ROC

    Shiaw-Wu Chen

  2. Ph.D. Program of Electrical and Communications Engineering, Feng Chia University, Taichung, 407, Taiwan, ROC

    Chao-Li Meng

  3. Department of Information Technology, Ling Tung University, Taichung, 408, Taiwan, ROC

    Ann-Chen Chang

Authors
  1. Shiaw-Wu Chen
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  2. Chao-Li Meng
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  3. Ann-Chen Chang
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Correspondence to Ann-Chen Chang.

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Chen, SW., Meng, CL. & Chang, AC. DOA and DOD Estimation Based on Double 1-D Root-MVDR Estimators for Bistatic MIMO Radars. Wireless Pers Commun 86, 1321–1332 (2016). https://doi.org/10.1007/s11277-015-2991-0

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