Two-dimensional DOA estimation with a staggered two-parallel linear array for reducing mutual coupling
In this paper, a two-dimensional (2D) direction of arrival (DOA) estimation algorithm with a staggered two-parallel linear array has been proposed. The proposed array consists of two staggered linear arrays, any one of which is determined by two consecutive positive integers. The distance between an...
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| Published in | Multidimensional systems and signal processing Vol. 36; no. 1 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
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01.12.2025
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| Abstract | In this paper, a two-dimensional (2D) direction of arrival (DOA) estimation algorithm with a staggered two-parallel linear array has been proposed. The proposed array consists of two staggered linear arrays, any one of which is determined by two consecutive positive integers. The distance between any two sensors of the proposed array can be larger than half-wavelength of incident signal, so it has strong robustness to mutual coupling. Using this array, a segmented propagator method (PM) algorithm is proposed to get automatic matching 2D DOA estimation. Compared with some similar PM algorithms based on a two-parallel linear array, the proposed segmented PM algorithm has higher estimation accuracy and approaching complexity. Not only that, the proposed algorithm can detect more signals than similar algorithms without using virtual elements. Complexity analysis and simulation results can prove the advantage of the proposed algorithm. |
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| AbstractList | In this paper, a two-dimensional (2D) direction of arrival (DOA) estimation algorithm with a staggered two-parallel linear array has been proposed. The proposed array consists of two staggered linear arrays, any one of which is determined by two consecutive positive integers. The distance between any two sensors of the proposed array can be larger than half-wavelength of incident signal, so it has strong robustness to mutual coupling. Using this array, a segmented propagator method (PM) algorithm is proposed to get automatic matching 2D DOA estimation. Compared with some similar PM algorithms based on a two-parallel linear array, the proposed segmented PM algorithm has higher estimation accuracy and approaching complexity. Not only that, the proposed algorithm can detect more signals than similar algorithms without using virtual elements. Complexity analysis and simulation results can prove the advantage of the proposed algorithm. |
| ArticleNumber | 2 |
| Author | Wu, Decheng Xiong, Weizhi Xia, Linli Liu, Sheng Tan, Wenbin Zhao, Jing |
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| Cites_doi | 10.1109/TSP.2010.2049264 10.1109/TAP.1986.1143830 10.23919/JCC.2021.04.002 10.1109/29.32276 10.1109/ACCESS.2020.3012685 10.1109/TSP.2017.2736493 10.1016/S0165-1684(03)00118-X 10.1109/TSP.2011.2144591 10.1109/LCOMM.2018.2872955 10.3390/s16030274 10.1109/TSP.2010.2089682 10.1007/s11045-016-0406-3 10.1016/j.dsp.2021.103336 10.1109/29.60109 10.1109/TAP.2007.904143 10.1109/TAP.2005.846804 10.1016/j.sigpro.2015.09.019 10.1109/LCOMM.2017.2787698 10.1016/0165-1684(94)00122-G 10.3390/app12084007 10.1049/el.2016.3197 10.1016/j.sigpro.2012.06.010 10.1109/JSEN.2021.3106382 10.23919/JCC.fa.2022-0333.202402 10.1155/2020/4069307 |
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| Keywords | DOA estimation Staggered two-parallel linear array Mutual coupling PM |
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| Title | Two-dimensional DOA estimation with a staggered two-parallel linear array for reducing mutual coupling |
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