FFT Based Acquisition Techniques of GPS L2C Signals

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Provided by: Creative Commons
Topic: Mobility
Format: PDF
The modernization of the GPS lead to the launch of additional GPS signal, L2C second civilian GPS signal to become available in full constellation. L2C signals have longer ranging codes which leads to larger search space and increase in computational complexity. L2C signals makes use of two PRN sequences CM (Civil Moderate) and CL (Civil Long) of 20ms and 1.5sec long. In this paper, a code generator is designed for generating the CM and CL sequences, and two local replica codes NRZ (Non Return Zero) and RZ (Return Zero) codes are designed.
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