Multicarrier Transmission As an Alternative for GPS C/A Code : Simulation and Verification
Date
2013-10-04
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Abstract
This thesis mainly focuses on using multi-carrier code as an alternative for the C/A code
currently transmitted in GPS System. As a substitution, the most critical concern that we
have is the Doppler shift, which will Cause the overlap of the sub-carriers transmitted from
di erent satellites. The range estimation will be harmed and the positioning failure could
be happened at the same time. We introduced two analyses: the probability of collision and
probability of position failure between satellites. After that, we work on ensuring the system
level performance of our multi-carrier code. To achieve that, we are adding a pseudo random
phase on each sub-carrier inside the transmitted signal from each satellite. Theoretical
analysis is also provided to assess the performance of our proposed multi-carrier code over
code delay and Doppler shift. The result shows that our codes have good performance and
is an acceptable alternative to the current GPS signal.
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Keywords
Engineering--Electronics and Electrical
Citation
Guan, X. W. (2013). Multicarrier Transmission As an Alternative for GPS C/A Code : Simulation and Verification (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/27022