Hierarchical code acquisition for dual band GNSS receivers

This paper tackles the problem of fast acquisition for dual band GNSS receiver. In particular, a novel technique is proposed based on the exploitation of the hierarchical structure of the Galileo E1 and E5 Open Service signals. The new procedure is based on the information exchange between the acqui...

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Bibliographic Details
Main Authors: Bastia, Francesco, Deambrogio, Lina, Palestini, Claudio, Villanti, Marco, Pedone, Raffaella, Corazza, Giovanni E
Format: Conference Proceeding
Language:English
Subjects:
Delay estimation
Dual band
Dual Band Receiver
Fast Code Acquisition
Frequency diversity
Frequency estimation
Galileo
Global Positioning System
MAX criterion
Mean Acquisition Time
Receivers
Robustness
Satellite navigation systems
Switches
Uncertainty
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Summary:This paper tackles the problem of fast acquisition for dual band GNSS receiver. In particular, a novel technique is proposed based on the exploitation of the hierarchical structure of the Galileo E1 and E5 Open Service signals. The new procedure is based on the information exchange between the acquisition blocks of the two bands, and on the reduction of the uncertainty region in one band when the signal in the other one is already acquired. Numerical evaluation shows that the proposed method allows to achieve good performance in terms of Mean Acquisition Time with respect to classical stand alone acquisition while guaranteeing at the same time a significant complexity reduction.
ISSN:2153-358X
2153-3598
DOI:10.1109/PLANS.2010.5507214