Estimation of the number of signals in the presence of color noise

Author

Gan, Lu ; Qi, Xin ; Li, Liping ; Zhang, Huaguo

Author_Institution

Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China

fYear

2009

fDate

23-25 July 2009

Firstpage

391

Lastpage

394

Abstract

In this paper, a new method to detect the number of signals in the presence of color noise is proposed. Firstly, pseudocovariance matrix is constructed using the covariance of sensors. Then, the information theoretic criteria and Gerschgorin disks are used to estimate the number of signals. Simulation results show that the proposed AIC and MDL can work well in the presence of color noise, while the classical ones fail. What´s more, the proposed GDE method has superior performance to the original GDE.

Keywords

array signal processing; covariance matrices; direction-of-arrival estimation; signal detection; AIC; DOA estimation; GDE; Gerschgorin disk estimation; MDL; color noise; information theoretic criteria; pseudocovariance matrix; sensor array; signal detection; signal estimation; Colored noise; Covariance matrix; Data models; Direction of arrival estimation; Gallium nitride; Narrowband; Sensor arrays; Signal detection; Signal processing; Signal processing algorithms;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, Circuits and Systems, 2009. ICCCAS 2009. International Conference on

Conference_Location

Milpitas, CA

Print_ISBN

978-1-4244-4886-9

Electronic_ISBN

978-1-4244-4888-3

Type

conf

DOI

10.1109/ICCCAS.2009.5250500

Filename

5250500