@inproceedings{3dc6a0d8620e41a5ace29810a5a99f0e,
title = "A signal adaptive array interpolation approach with reduced transformation bias for DOA estimation of highly correlated signals",
abstract = "Sensor arrays with Vandermonde or centro-hermitian responses cannot always be constructed. However, such array response structure can be achieved by means of a mapping which transforms the real array response to an array response with the desired properties by applying array interpolation algorithms. In this work a low-complexity, multi-sector, signal adaptive array interpolation approach that achieves low transformation bias in the presence of highly correlated signals is presented. Estimation of Signal Parameters via Rotational Invariance (ESPRIT) algorithm with Forward Backward Average (FBA) and Spatial Smoothing (SPS) as well as model order estimation is applied after array interpolation in conjunction with the Vandermonde Invariance Transformation (VIT) to obtain precise high resolution estimates in closed form. A set of numerical simulations show that the proposed approach provides precise estimates for arbitrary array responses in highly correlated signal signal environments.",
keywords = "Antenna Arrays, Array Interpolation, Array Mapping, Vandermonde Invariance Transformation",
author = "Marinho, {Marco A.M.} and Felix Antreich and {Da Costa}, {Joao Paulo C.L.} and Nossek, {Josef A.}",
year = "2014",
doi = "10.1109/ICASSP.2014.6854004",
language = "English",
isbn = "9781479928927",
series = "ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "2272--2276",
booktitle = "2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014",
note = "2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014 ; Conference date: 04-05-2014 Through 09-05-2014",
}