Closed-form 2D angle estimation with rectangular arrays via DFT beamspace ESPRIT+

Authors

Michael D. Zoltowski, Purdue University
Martin Haardt, Technische Universität München
Cherian P. Mathews, Purdue UniversityFollow

Document Type

Conference Presentation

Department

Electrical and Computer Engineering

Conference Title

Conference Record - Asilomar Conference on Signals, Systems and Computers

Date of Presentation

1-1-1994

Abstract

UCA-ESPRITis a recently developed closed form algorithm for use in conjunction with a uniform circular array (UCA) that provides automatically paired source azimuth and elevation angle estimates. 2D DFT Beamspace ESPRIT is presented as an algorithm providing the same capabilities for a uniform rectangular array (URA). In the final stage of the algorithm, the real and imaginary parts of the i-th eigenvalue of a matrix yield the respective direction cosines of the i-th source relative to the two array axes. In addition to the reduction in computational complexity facilitated by operation in a reduced dimension beamspace, 2 0 DFT Beamspace ESPRIT is efficiently formulated in terms of real-valued computation throughout. Simulation results are presented verifying the efficacy of the method.

ISSN

1058-6393

Volume

1

First Page

682

Last Page

687

DOI

10.1109/ACSSC.1994.471539

Recommended Citation

Zoltowski, M. D., Haardt, M., & Mathews, C. P. (1994). Closed-form 2D angle estimation with rectangular arrays via DFT beamspace ESPRIT+. Paper presented at Conference Record - Asilomar Conference on Signals, Systems and Computers.
https://scholarlycommons.pacific.edu/soecs-facpres/428