Advanced Fine-Acquisition Scheme for E5a Signal on Galileo Giove-B

This paper proposes the advanced fine-acquisition scheme using the E5a signal transmitted from the Galileo GIOVE-B satellite. The proposed approach is based on the code phase changes which occur during the acquisition processing time originating in the Doppler frequency. The proposed scheme detects...

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Bibliographic Details
Main Authors: Inone Joo, SeungHyun Choi, JaeHyun Kim, Cheonsig Sin, Sanguk Lee
Format: Conference Proceeding
Language:English
Subjects:
acquisition
Artificial satellites
code phase
Doppler
Doppler shift
E5a
Frequency estimation
Giove-B
Global Positioning System
Phase detection
Phase estimation
Phase frequency detector
Satellite navigation systems
Signal processing
Silicon compounds
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Description
Summary:This paper proposes the advanced fine-acquisition scheme using the E5a signal transmitted from the Galileo GIOVE-B satellite. The proposed approach is based on the code phase changes which occur during the acquisition processing time originating in the Doppler frequency. The proposed scheme detects a fast code phase within about 1 chip near the estimated code phase and improves the accuracy of the Doppler frequency in comparison with the conventional scheme. The feasibility of the proposed schemes is demonstrated through simulation.
DOI:10.1109/SPACOMM.2010.38