Off-grid direction-of-arrival estimation using coprime array interpolation

C Zhou, Y Gu, Z Shi, YD Zhang - IEEE Signal Processing …, 2018 - ieeexplore.ieee.org
In this letter, we propose a coprime array interpolation approach to provide an off-grid
direction-of-arrival (DOA) estimation. Through array interpolation, a uniform linear array …

[HTML][HTML] Minimizing delay and transmission times with long lifetime in code dissemination scheme for high loss ratio and low duty cycle wireless sensor networks

W Qi, W Liu, X Liu, A Liu, T Wang, NN Xiong, Z Cai - Sensors, 2018 - mdpi.com
Software defined networks brings greater flexibility to networks and therefore generates new
vitality. Thanks to the ability to update soft code to sensor nodes, wireless sensor networks …

A spatial filtering based gridless DOA estimation method for coherent sources

X Wu, WP Zhu, J Yan, Z Zhang - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, we investigate a covariance matrix reconstruction approach (CMRA) for
direction-of-arrival (DOA) estimation in correlated/coherent sources scenario. We …

[HTML][HTML] Multi-Frequency Based Direction-of-Arrival Estimation for 2q-Level Nested Radar & Sonar Arrays

H Zhou, G Hu, J Shi, Z Feng - Sensors, 2018 - mdpi.com
Direction finding is a hot research area in radar and sonar systems. In the case of q≥ 2, the
2 q th-order cumulant based direction of arrival (DOA) estimation algorithm for the 2q-level …