Time of arrival estimation in pulsar-based navigation systems

Author

Kabakchiev, Chr ; Garvanov, I. ; Behar, V. ; Kabakchieva, D. ; Buist, P. ; Bentum, M.

Author_Institution

Sofia Univ., Sofia, Bulgaria

fYear

2015

fDate

10-12 June 2015

Firstpage

1

Lastpage

5

Abstract

This paper focuses on the Time of Arrival (TOA) estimation problem related to new application of pulsar signals for airplane-based navigation. The aim of the paper is to propose and evaluate a possible algorithm for TOA estimation that consists of epoch folding, filtering, CFAR detection, cross-correlation and TOA calculation. The TOA estimation algorithm proposed is verified using real experimental data obtained from the Westerbork radio observatory in The Netherlands. The performance of the proposed TOA algorithm is evaluated in terms of SNR at the cross-correlator input and the TOA accuracy.

Keywords

aircraft; correlation methods; space vehicle navigation; time-of-arrival estimation; CFAR detection; Netherlands; TOA estimation problem; Westerbork radio observatory; airplane-based navigation; crosscorrelation; epoch folding; filtering; pulsar signal application; pulsar-based navigation system; time of arrival estimation problem; Accuracy; Delay effects; Filtering algorithms; Matched filters; Radio navigation; Signal to noise ratio; Time of arrival estimation; Pulsar signal detection; estimation; navigation;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing Symposium (SPSympo), 2015

Conference_Location

Debe

Type

conf

DOI

10.1109/SPS.2015.7168287

Filename

7168287