Research on TDOA parameters estimation for satellite interference localization

Author

Huijing Dou ; Qian Lei ; Jun Cheng ; Wenxue Li

Author_Institution

Sch. of Electron. Inf. & Control Eng., Beijing Univ. of Technol., Beijing, China

Volume

1

fYear

2012

fDate

21-25 Oct. 2012

Firstpage

259

Lastpage

262

Abstract

In order to enhance the performance of interference location for satellite systems based on TDOA Measuremen, a new TDOA parameter estimation method based on Secondary correlation TDOA estimation, combined with improved threshold wavelet de-noising, is presented. By the use of the characteristic of the wavelet de-noising, The algorithm overcomes the limitations of the Hilbert second correlation method which requires a priori knowledge of the signal and noise, able to accurately estimate the TDOA parameters of the signal in the low SNR environment and effectively improve the performance of satellite interference location. The simulation results illustrate the reliability and effectiveness of this new TDOA estimation method for satellite interference localization.

Keywords

Hilbert transforms; direction-of-arrival estimation; interference suppression; satellite communication; signal denoising; wavelet transforms; Hilbert second correlation method; SNR environment; TDOA parameter estimation; improved threshold wavelet denoising; satellite interference localization; secondary correlation TDOA estimation; Satellite interference localization; Threshold denoising; Time-delay of arrival(TDOA); the second correlation;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing (ICSP), 2012 IEEE 11th International Conference on

Conference_Location

Beijing

ISSN

2164-5221

Print_ISBN

978-1-4673-2196-9

Type

conf

DOI

10.1109/ICoSP.2012.6491649

Filename

6491649