Title
Closed-form 2D angle estimation with uniform circular arrays via phase mode excitation and ESPRIT
Document Type
Conference Presentation
Department
Electrical and Computer Engineering
Conference Title
Conference Record of the Asilomar Conference on Signals, Systems & Computers
Date of Presentation
12-1-1993
Abstract
The UCA-ESPRIT algorithm developed within represents a significant advance in the area of 2D arrival angle estimation. It is a closed form algorithm for use in conjunction with uniform circular arrays (UCAs) that provides automatically paired source azimuth and elevation angle estimates. In contrast, the algorithms for 2D arrival angle estimation to date have required expensive spectral searches, iterative solutions to multi-dimensional optimization problems [1,2], or ad-hoc schemes for pairing direction cosine estimates with respect to each of a number of different array axes [3]. UCA-ESPRIT is fundamentally different from ESPRIT in that it is not based on a displacement invariance array structure but rather is based on phase mode excitation [1-5] and hinges on a recursive relationship between Bessel functions. In the final stage of UCA-ESPRIT, the ith eigenvalue has the form μi=sin θiejθi where θi and Θi are the azimuth and elevation angles of the ith source.
ISSN
1058-6393
Volume
1
First Page
169
Last Page
172
Recommended Citation
Zoltowski, M. D.,
&
Mathews, C. P.
(1993).
Closed-form 2D angle estimation with uniform circular arrays via phase mode excitation and ESPRIT.
Paper presented at Conference Record of the Asilomar Conference on Signals, Systems & Computers.
https://scholarlycommons.pacific.edu/soecs-facpres/429
