M-Sequence and Secondary Code Constraints for GNSS Signal Acquisition

  title={M-Sequence and Secondary Code Constraints for GNSS Signal Acquisition},
  author={Daniele Borio},
  journal={IEEE Transactions on Aerospace and Electronic Systems},
In this paper, the problem of coherently extending the integration time for the acquisition of new Global Navigation Satellite System (GNSS) signals is addressed. Unlike the acquisition of legacy GNSS signals, the presence of secondary codes allows the polarity of the transmitted signal to change each primary code period. These polarity changes have to be recovered, and symbol combinations have to be tested before extending the coherent integration time. The hierarchical structure imposed by… CONTINUE READING


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