Generalized co-prime MIMO radar for DOA estimation with enhanced degrees of freedom

J Shi, G Hu, X Zhang, F Sun, W Zheng… - IEEE sensors …, 2017 - ieeexplore.ieee.org
In this paper, we propose a generalized co-prime multiple-input multiple-output (MIMO)
configuration for direction of arrival estimation. Compared with the conventional coprime …

Sum and difference coarray based MIMO radar array optimization with its application for DOA estimation

Y Huang, G Liao, J Li, J Li, H Wang - Multidimensional Systems and Signal …, 2017 - Springer
Based on the sum and difference coarrays, multiple-input multiple-output (MIMO) radar with
minimum redundancy (MR) concept, referred to as MR MIMO, can considerably increase the …

Sparse extension array geometry for DOA estimation with nested MIMO radar

W Zheng, X Zhang, J Shi - IEEE Access, 2017 - ieeexplore.ieee.org
The two-level nested array geometry, which systematically nests two uniform linear
subarrays, is proved to offer O (N 2) degrees of freedom (DOFs) with only N sensors. In this …

DOA estimation based on combined unitary ESPRIT for coprime MIMO radar

J Li, D Jiang, X Zhang - IEEE Communications Letters, 2016 - ieeexplore.ieee.org
Direction of arrival (DOA) estimation for coprime multiple-input multiple-output radar is
studied, and a combined unitary estimation of signal parameters via rotational invariance …

A dual-resolution unitary ESPRIT method for DOA estimation based on sparse co-prime MIMO radar

S Qiu, X Ma, R Zhang, Y Han, W Sheng - Signal Processing, 2023 - Elsevier
In this article, a novel structure of sparse co-prime multiple input multiple output (MIMO)
radar is proposed. The proposed sparse co-prime MIMO radar employs one co-prime planar …

A new nested MIMO array with increased degrees of freedom and hole-free difference coarray

M Yang, L Sun, X Yuan, B Chen - IEEE Signal Processing …, 2017 - ieeexplore.ieee.org
We propose anew antenna array design approach for a multiple-input and multiple-output
(MIMO) radar, which has closed-form expressions for the sensor locations and the number of …

Joint DOD and DOA estimation of coherent targets for coprime MIMO radar

X Zhang, Z Zheng, WQ Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Recently, coprime arrays have attracted lots of interest due to their ability of providing
enhanced degrees-of-freedom and reduced mutual coupling effect compared to …

Covariance vector sparsity-aware DOA estimation for monostatic MIMO radar with unknown mutual coupling

J Liu, X Wang, W Zhou - Signal Processing, 2016 - Elsevier
In this paper, a covariance vector sparsity-aware DOA estimation method is proposed for
monostatic multiple-input multiple-output (MIMO) radar with unknown mutual coupling. The …

Fourth-order cumulants-based sparse representation approach for DOA estimation in MIMO radar with unknown mutual coupling

J Liu, W Zhou, X Wang - Signal Processing, 2016 - Elsevier
In this paper, a sparse representation approach based on fourth-order cumulants (FOC) is
proposed for direction of arrival (DOA) estimation in monostatic multiple-input multiple …

Real-valued covariance vector sparsity-inducing DOA estimation for monostatic MIMO radar

X Wang, W Wang, X Li, J Liu - Sensors, 2015 - mdpi.com
In this paper, a real-valued covariance vector sparsity-inducing method for direction of
arrival (DOA) estimation is proposed in monostatic multiple-input multiple-output (MIMO) …