Description: This paper describes an approach of implementing
software based GPS receiver acquisition and tracking for
L1 C/A signal on ADSP SHARC. The main objective of this
paper is bring out fast GPS signal tracking method using
which more number of channels(satellites) can be tracked on
a fixed and limited resources DSP platform. Further, GPS
acquisition, Carrier Pull-in and C/A Code prediction modules
are discussed.All the processing for the algorithms are done
using sign bit of the ADC.A time domain based approach
without early and late codes is used for Tracking GPS signal.
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