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Moment based CNR estimators for BOC/BPSK modulated signal for Galileo/GPS

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3 Author(s)
Islam, A.K.M. ; Inst. of Commun. Eng., Tampere Univ. of Technol., Tampere ; Lohan, E.S. ; Renfors, M.

Estimation of the carrier to noise ratio (CNR) is one of the most important functionalities of the GPS/Galileo receivers. However, the conventional GPS receivers are not able to satisfy the CNR estimation requirements for the location based services, E-911, and moderate indoor reception. In this paper we derive a total of seven moment based CNR estimators and present the results for the simulation based BOC (binary offset carrier) modulated signal and the measurement based BPSK (binary phase shift keying) modulated signal. We compare the results of the different estimators and find the most robust estimator.

Published in:

Positioning, Navigation and Communication, 2008. WPNC 2008. 5th Workshop on

Date of Conference:

27-27 March 2008