Iterative Interpolated Beamforming for Exploiting Full Degrees-of-Freedom in DOA Estimation with Co-Prime Arrays
2019 IEEE 8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)(2019)
摘要
We present a Fourier-based approach for source direction-of-arrival (DOA) estimation that exploits all degrees-of-freedom offered by a co-prime array. The proposed technique is an extension of the fast iterative interpolated beamforming (FIIB), which is a low-complexity algorithm for DOA estimation using uniform linear arrays. We design modifications to the FIIB to account for the non-uniformity of the co-prime array. Performance validation of the proposed approach is provided using numerical results.
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关键词
Non-uniform arrays,co-prime arrays,coarray,direction finding,beamforming
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