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A Novel Fast Acquisition Method for L2C Code for GPS Based Radio Occulted Systems: A FPGA Based Implementation

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 5)

Publication Date:

Authors : ; ;

Page : 869-875

Keywords : GPS; L2C; Radio Occultation; Software Defined Radio; GNSS; and Fast Acquisition.;

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L2C (L2 band carrier) is the second Global Positioning System (GPS) civilian signal to become available over the full constellation. Because of the unusually-long ranging codes used in L2C signal, the search space and the computational complexity for signal acquisition become huge. Software-based GPS (SGR) Receiver helps us processing the GPS signal at the lowest level of GPS raw signal data from the antenna. A software-based GPS receiver consists of a front-end device that converts the radio frequency signal from the antenna to an intermediate frequency in digital format. The signal thus converted is processed by high level programming language to compute position and velocity.

Last modified: 2014-06-09 22:18:11