LAUSR

DOA Estimation Using Coprime Array in the Presence of Unknown Nonuniform Noise

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1 Published in 2022 at "Circuits, Systems, and Signal Processing"

DOI: 10.1007/s00034-021-01920-5

Abstract: In this paper, we design an effective algorithm for direction-of-arrival (DOA) estimation using the coprime array in the presence of unknown nonuniform noise. Firstly, we replace the diagonal entries of the array covariance matrix with… read more here.

Keywords: array; estimation using; using coprime; coprime array ... See more keywords

2‐D DOA Estimation Using Off‐Grid Sparse Learning via Iterative Minimization with L‐Parallel Coprime Array

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1 Published in 2018 at "Chinese Journal of Electronics"

DOI: 10.1049/cje.2017.11.002

Abstract: An L-parallel coprime array is designed and an Off-grid sparse learning via iterative minimization (OGSLIM) algorithm is proposed in order to improve the performance of Two-dimensional direction-of-arrival (2-D DOA) estimation. The L-parallel coprime array consists… read more here.

Keywords: parallel coprime; estimation; coprime; coprime array ... See more keywords

Off-Grid Direction-of-Arrival Estimation Using Coprime Array Interpolation

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0 Published in 2018 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2018.2872400

Abstract: In this letter, we propose a coprime array interpolation approach to provide an off-grid direction-of-arrival (DOA) estimation. Through array interpolation, a uniform linear array (ULA) with the same aperture is generated from the deterministic non-uniform… read more here.

Keywords: array; estimation; array interpolation; coprime array ... See more keywords

Direction-of-Arrival Estimation of Coherent Signals via Coprime Array Interpolation

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0 Published in 2020 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2020.2982769

Abstract: In this letter, we devise an efficient approach for estimating the directions-of-arrival (DOAs) of coherent signals using coprime arrays. Specifically, we firstly derive an augmented uniform linear array (ULA) via coprime array interpolation. Subsequently, we… read more here.

Keywords: coherent; array interpolation; coherent signals; coprime array ... See more keywords

Novel Moving Coprime Array Configurations for Real-Valued Sources

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1 Published in 2022 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2022.3151007

Abstract: In this work, we propose some novel coprime array configurations for real-valued sources, which will achieve more degrees-of-freedom (DOF) than the other existing coprime arrays when the array is moved only by half wavelength. We… read more here.

Keywords: array; coprime array; real valued; configurations real ... See more keywords

Enhanced and Generalized Coprime Array for Direction of Arrival Estimation

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2 Published in 2023 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2022.3200929

Abstract: Owing to the large degrees of freedom and reduced mutual coupling by generating difference coarrays, nonuniform linear arrays have aroused great interest in direction of arrival estimation. Previous works have shown some improved sparse arrays,… read more here.

Keywords: generalized coprime; coprime array; arrival estimation; direction arrival ... See more keywords

Thinned Coprime Array for Second-Order Difference Co-Array Generation With Reduced Mutual Coupling

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0 Published in 2019 at "IEEE Transactions on Signal Processing"

DOI: 10.1109/tsp.2019.2901380

Abstract: In this work, we present a new coprime array structure termed thinned coprime array (TCA), which exploits the redundancy in the structure of existing coprime array and achieves the same virtual aperture and degrees of… read more here.

Keywords: array; number; thinned coprime; difference ... See more keywords

A Robust and Efficient Algorithm for Coprime Array Adaptive Beamforming

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1 Published in 2018 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2017.2704610

Abstract: Coprime array offers a larger array aperture than uniform linear array with the same number of physical sensors, and has a better spatial resolution with increased degrees of freedom. However, when it comes to the… read more here.

Keywords: adaptive beamforming; array; coprime array; array adaptive ... See more keywords