Single snapshot spatial smoothing with improved effective array aperture

A Thakre, M Haardt, K Giridhar - IEEE Signal Processing Letters, 2009 - ieeexplore.ieee.org
Spatial smoothing is a widely used preprocessing scheme for direction-of-arrival (DOA)
estimation of more than one source from a single snapshot, although the effective array …

Sparse array design for azimuthal direction-of-arrival estimation

M Rubsamen, AB Gershman - IEEE transactions on signal …, 2011 - ieeexplore.ieee.org
We propose a novel approach to the design of array geometries for azimuthal direction-of-
arrival (DOA) estimation. The proposed array design is related to that of minimum …

An approach of DOA estimation using noise subspace weighted ℓ1 minimization

C Zheng, G Li, H Zhang, X Wang - 2011 IEEE International …, 2011 - ieeexplore.ieee.org
Using multiple measurement vectors (MMV), we propose an algorithm based on weighted ℓ
1 minimization for direction-of-arrival (DOA) estimation, in which the weights are obtained by …

Comparative convergence analysis of EM and SAGE algorithms in DOA estimation

PJ Chung, JF Bohme - IEEE Transactions on Signal Processing, 2001 - ieeexplore.ieee.org
In this work, the convergence rates of direction of arrival (DOA) estimates using the
expectation-maximization (EM) and space alternating generalized EM (SAGE) algorithms …

Noise subspace-based iterative technique for direction finding

EA Santiago, M Saquib - IEEE Transactions on Aerospace and …, 2013 - ieeexplore.ieee.org
In the area of array signal processing, direction of arrival (DoA) estimation is a widely
studied topic. In this estimation process the noise subspace of the received signal …

Low-complexity estimation of 2D DOA for coherently distributed sources

J Lee, I Song, H Kwon, SR Lee - Signal processing, 2003 - Elsevier
We consider the estimation of two-dimensional (azimuth and elevation) direction-of-arrival
(DOA) using a pair of uniform circular arrays under a coherently distributed source model …

Spatial smoothing based methods for direction-of-arrival estimation of coherent signals in nonuniform noise

J Wen, B Liao, C Guo - Digital Signal Processing, 2017 - Elsevier
Spatial smoothing techniques have been widely used to estimate the directions-of-arrival
(DOAs) of coherent signals. However, in general these techniques are derived under the …

Direction-of-arrival estimation using a sparse representation of array covariance vectors

J Yin, T Chen - IEEE Transactions on Signal Processing, 2011 - ieeexplore.ieee.org
A new direction-of-arrival (DOA) estimation method is proposed based on a novel data
model using the concept of a sparse representation of array covariance vectors (SRACV), in …

A simple modification of ESPRIT

C Qian - IEEE Signal Processing Letters, 2018 - ieeexplore.ieee.org
In this letter, a manifold reconstruction based ESPRIT algorithm is devised for direction-of-
arrival (DOA) estimation. Unlike the standard ESPRIT approach, the proposed method …

Matrix fitting approach to direction of arrival estimation with imperfect spatial coherence of wavefronts

AB Gershman, CF Mecklenbrauker… - IEEE Transactions on …, 1997 - ieeexplore.ieee.org
The performance of high-resolution direction of arrival (DOA) estimation methods
significantly degrades in several practical situations where the wavefronts have imperfect …