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The spreading signals modulated by BOC(pn, n) signals will be used for the next generation global navigation satellite system. The auto-correlation function of the binary phase shift keying modulated spreading signal has just one main peak, whereas the BOC(pn, n) modulated one has many sub-peaks with one main peak. In this paper, we observe that the correlation function in the advanced offset region...
This paper addresses an effective time delay tracking scheme for Galileo Ll open service (OS) systems. First, we observe that the correlation values between the time-delayed pseudo noise code and received signal remain almost unchanged, due to the multipath signals being received later than a line-of-sight signal. Based on this observation, we propose a novel delay tracking scheme for Galileo L1 OS...
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