Direction finding and mutual coupling estimation for bistatic MIMO radar |
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| Authors: | Xiaoli Liu Guisheng Liao |
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| Affiliation: | a College of Communication Engineering, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China
b National Lab of Radar Signal Processing, Xidian University, Xi'an, Shaanxi 710071, China |
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| Abstract: | An algorithm for joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimation in the presence of unknown mutual coupling for bistatic MIMO radar is presented. Based on the special structure of the coupling matrix of uniform linear array (ULA), the angles can be estimated directly by two one-dimensional searches without the knowledge of the mutual coupling matrices. Then the mutual coupling coefficients of the transmitter and the receiver can be solved in closed-form by utilizing the obtained DODs and DOAs, respectively. Numerical examples are given for demonstrating the effectiveness of the proposed method. |
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| Keywords: | Bistatic MIMO radar Angle estimation Uniform linear array Mutual coupling |
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