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 …
J Yuan, G Zhang, H Leung, S Ma - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
An off-grid direction-of-arrival (DOA) estimation method based on block sparse representation is proposed to localize the strictly noncircular (NC) sources utilizing an …
Noncircular (NC) signals constitute a significant class of signals that are frequently employed in communication systems. In the presence of extremely impulsive noises …
In this paper, the problem of off-grid direction of arrival (DOA) estimation for the more general case of coexisting circular and non-circular signals is investigated from the …
X Wang, Y Zhu, M Huang, J Wang, L Wan, G Bi - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, a novel direction-of-arrival (DOA) estimation algorithm is proposed for noncircular signals with nonuniform noise by using the unitary matrix completion (UMC) …
J Zhang, T Qiu - Wireless Personal Communications, 2017 - Springer
By applying the covariation statistics, this paper generalizes the non-circularity to the scenario of complex isotropic symmetric alpha-stable (S α SS α S) signals. The matrices …
The recently developed super-resolution framework by Candes enables direction-of-arrival (DOA) estimation from a sparse spatial power spectrum in the continuous domain with …
Exploiting the statistical properties of strictly non-circular (NC) signals in direction of arrival (DOA) estimation has long been an active area of research due to its associated …
J Cai, Y Liang, W Liu, YY Dong - IEEE Access, 2020 - ieeexplore.ieee.org
The Cramer-Rao bound (CRB) offers insights into the inherent performance benchmark of any unbiased estimator developed for a specific parametric model, which is an important …