期刊
2021 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP 2021)
卷 -, 期 -, 页码 4380-4384出版社
IEEE
DOI: 10.1109/ICASSP39728.2021.9413987
关键词
Constrained tensor decomposition; Direction of arrival estimation; MIMO radar with subarrays
类别
资金
- Academy of Finland [299243]
- China Scholarship Council
- Academy of Finland (AKA) [299243, 299243] Funding Source: Academy of Finland (AKA)
This paper proposes a constrained tensor decomposition method for 2D DOA estimation in TB MIMO radar with subarrays. By utilizing the inner structure of factor matrix, the method successfully estimates the target DOA and computes angular information to enhance the robustness of the estimation. Simulation results confirm the effectiveness of the proposed approach.
In this paper, a constrained tensor decomposition method that enables two dimensional (2D) direction of arrival (DOA) estimation for transmit beamspace (TB) Multiple-Input Multiple-Output (MIMO) radar with subarrays is proposed. Specifically, a higher-order tensor model is designed to collect the received signal for TB MIMO radar with multiple subarrays. By exploiting the inner structure of the factor matrix, the constrained tensor decomposition is conducted, and subsequently the target DOA is estimated. In addition, the angular information can also be computed by solving the minimization problem that originates from the second factor matrix to improve the robustness of the 2D DOA estimation. Simulation results validate the proposed approach.
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