The best achievable performance for DOA estimation using ESPRIT arrays

Author

Ding, Yinong ; Vaccaro, Richard J.

Author_Institution

The Joint E-mu/Creative Tech. Centre, Scotts Valley, CA, USA

Volume

3

fYear

1995

fDate

9-12 May 1995

Firstpage

1669

Abstract

This paper studies the Cramer-Rao (CR) bound for the problem of estimating the directions of arrival of narrow-band plane waves impinging on an ESPRIT array with multiple displacement invariances. We call this bound the MI-CR bound. The CR bound for ESPRIT arrays with a single invariance was derived by Ottersten, Viberg and Kailath (see IEEE Trans. on Signal Processing, vol.39, p.1122-35, May 1991), and called the ESPRIT-CR bound. The difference between the ESPRIT-CR bound and the MI-CR bound can be large, especially for highly correlated sources. We give examples to show that an algorithm called WSE achieves the MI-CR bound derived in this paper

Keywords

correlation methods; direction-of-arrival estimation; linear antenna arrays; Cramer-Rao bound; DOA estimation; ESPRIT arrays; ESPRIT-CR bound; MI-CR bound; WSE algorithm; correlated sources; multiple displacement invariances; narrow-band plane waves; sensor array; uniform linear array; Array signal processing; Chromium; Direction of arrival estimation; Narrowband; Noise level; Propagation delay; Robustness; Sensor arrays; Signal processing algorithms; Vectors;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference on

Conference_Location

Detroit, MI

ISSN

1520-6149

Print_ISBN

0-7803-2431-5

Type

conf

DOI

10.1109/ICASSP.1995.479925

Filename

479925