Journal of Radio Electronics
Published 4 issues per year
ISSN Print: 2165-8439
EFFECTIVE SPECTRAL MODULATION WITH MEMORY USED FOR GENERATION OF GNSS RANGING SIGNALS
Volume 1,
Issue 2, 2012,
DOI: 10.1615/JRadioElectr.v1.i2.30
ABSTRACT
Continuous phase FM with memory proves to be a powerful tool of enhancing GNSS signal spectral efficiency. It is demonstrated that such modulation can be reduced to an equivalent offset QPM with chip overlapping in each quadrature stream and subsequent envelope normalization. The combination product estimation is done. Spectral characteristics of memory CPM signal are presented
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