2015
DOI: 10.1049/iet-rsn.2014.0069
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Joint estimation of direction of departure and direction of arrival for multiple‐input multiple‐output radar based on improved joint ESPRIT method

Abstract: This study presents an improved joint estimation method of signal parameters via rotational invariance technique (ESPRIT) algorithm for low-complexity simultaneous estimation of direction of departure (DOD) and direction of arrival (DOA) in a multiple-input-multiple-output radar system. The proposed algorithm is based on a data matrix and estimates DOD and DOA without a pairing operation. The computational complexity of the proposed joint ESPRIT algorithm is derived to be less than that of conventional two dim… Show more

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Cited by 29 publications
(18 citation statements)
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“…Next, we can use the root finding method again to find the roots of polynomial (7), and the desired rootẑ t;k inside and closest to unit circle. Therefore, the estimated DOD angle of the kth target is given bŷ h t;k ¼ sin À1 ½ðk=2pd t Þ argðẑ t;k Þ. Asĥ t;k is obtained throughĥ r;k ,ĥ r;k andĥ t;k , k ¼ 1; 2; .…”
Section: Double 1-d Root-mvdr Estimatormentioning
confidence: 99%
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“…Next, we can use the root finding method again to find the roots of polynomial (7), and the desired rootẑ t;k inside and closest to unit circle. Therefore, the estimated DOD angle of the kth target is given bŷ h t;k ¼ sin À1 ½ðk=2pd t Þ argðẑ t;k Þ. Asĥ t;k is obtained throughĥ r;k ,ĥ r;k andĥ t;k , k ¼ 1; 2; .…”
Section: Double 1-d Root-mvdr Estimatormentioning
confidence: 99%
“…In particular, target localization using bistatic MIMO radars for which the transmitter and receiver arrays are separated has attracted much attention. Some adaptive techniques were applied to MIMO radar for estimating the direction of arrival (DOA) and direction of departure (DOD) angles [3][4][5][6][7][8][9][10][11][12][13][14]. The two-dimensional (2-D) minimum variance distortionless response (MVDR) [3] and the 2-D multiple signal classification (MUSIC) [4] are both high resolution methods for DOA and DOD estimation with peak searches in bistatic MIMO radars.…”
Section: Introductionmentioning
confidence: 99%
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“…In [12,13], the DOD/DOA estimation method for the scenario with unknown correlated noise has been proposed, where the estimation method is based on the canonical correlation decomposition and the shift-invariance properties of Kronecker product. Additionally, some studies [14][15][16][17] have proposed algorithms based on the multiple signal classification (MUSIC) and the estimation of signal parameters via rotational invariance techniques (ESPRIT) to estimate DOD/DOA in MIMO radar systems. However, these studies have not considered the mutual coupling between antennas in transmitter and receiver.…”
Section: Introductionmentioning
confidence: 99%
“…In the existing works, many methods have been proposed to estimate the target direction of arrival (DOA). For example, in the colocated MIMO radar system, a reduced-dimension transformation is used to reduce the complexity in the DOA estimation based on the estimation of signal parameters via rotational invariance technique (ESPRIT) [9]; a computationally efficient DOA estimation algorithm is given for the monostatic MIMO radar based on the covariance matrix reconstruction in [10]; a joint DOA and direction of departure (DOD) estimation method based on ESPRIT is proposed in [11]. Additionally, in the coprime MIMO radar system, a reduced-dimension multiple signal classification (MUSIC) algorithm is proposed [12] for both DOA and DOD estimation; a combined unitary ESPRIT-based algorithm is given for the DOA estimation [13].…”
Section: Introductionmentioning
confidence: 99%