Polarization channel estimation for circular and non-circular signals in massive MIMO systems

X Wang, L Wan, M Huang, C Shen… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
The polarization millimeter wave (mmWave) massive multiple-input multiple-output (MIMO)
system has been deployed in next-generation wireless communication since it can provide a …

DOA and polarization estimation for non-circular signals in 3-D millimeter wave polarized massive MIMO systems

L Wan, K Liu, YC Liang, T Zhu - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
In this article, a multiple signal classification (MUSIC) based algorithm is proposed for two-
dimensional (2-D) direction-of-arrival (DOA) and polarization estimation of non-circular …

Subspace leakage analysis and improved DOA estimation with small sample size

M Shaghaghi, SA Vorobyov - IEEE Transactions on Signal …, 2015 - ieeexplore.ieee.org
Classical methods of DOA estimation such as the MUSIC algorithm are based on estimating
the signal and noise subspaces from the sample covariance matrix. For a small number of …

ESPRIT-like two-dimensional direction finding for mixed circular and strictly noncircular sources based on joint diagonalization

H Chen, C Hou, WP Zhu, W Liu, YY Dong, Z Peng… - Signal Processing, 2017 - Elsevier
In this paper, a two-dimensional (2-D) direction-of-arrival (DOA) estimation method for a
mixture of circular and strictly noncircular signals is presented based on a uniform …

Efficient two-dimensional direction-of-arrival estimation for a mixture of circular and noncircular sources

H Chen, C Hou, W Liu, WP Zhu… - IEEE Sensors …, 2016 - ieeexplore.ieee.org
In this paper, the two-dimensional (2-D) direction-of-arrival (DOA) estimation problem for a
mixture of circular and noncircular sources is considered. In particular, we focus on a 2-D …

Performance analysis of the decentralized eigendecomposition and ESPRIT algorithm

W Suleiman, M Pesavento… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, we consider performance analysis of the decentralized power method for the
eigendecomposition of the sample covariance matrix based on the averaging consensus …

Performance analysis of multi-dimensional ESPRIT-type algorithms for arbitrary and strictly non-circular sources with spatial smoothing

J Steinwandt, F Roemer, M Haardt… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Spatial smoothing is a widely used preprocessing scheme to improve the performance of
high-resolution parameter estimation algorithms in case of coherent signals or if only a small …

Closed-form rectilinear emitters localization with multiple sensor arrays: Phase alignment and optimal weighted least-square method

X Shi, X Zhang, Y Qian, M Ahmad - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
Position determination algorithms of rectilinear emitters (also called strictly second-order
noncircular emitters) with multiple sensor arrays (SAs) allow for higher localization accuracy …

Sparse array extension for non-circular signals with subspace and compressive sensing based DOA estimation methods

J Cai, W Liu, R Zong, B Wu - Signal Processing, 2018 - Elsevier
The virtual array generation process based on typical sparse arrays is studied for a mixture
of circular and non-circular impinging signals. It consists of two sub-arrays: one is the …

Generalized least squares for ESPRIT-type direction of arrival estimation

J Steinwandt, F Roemer… - IEEE Signal Processing …, 2017 - ieeexplore.ieee.org
The key task in ESPRIT-based parameter estimation is finding the solution to the shift
invariance equation (SIE), which is often an overdetermined, linear system of equations …