Satellite Navigation and Communication Integration Based on Correlation Domain Indefinite Pulse Position Modulation Signal

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2021/5545285/figures/5545285.fig.001a.svgz" name="5545285.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Synchronized</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2021/5545285/figures/5545285.fig.001b.svgz" name="5545285.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Cyclically shifted</td></tr></table>

<div>The autocorrelation function of a Gold sequence: a big correlation value can be calculated when the received sequence and local sequence are synchronized. The position of the correlation peak was changed when the received sequence is cyclically shifted.</div>

Wireless Communications and Mobile Computing

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Figure 1

Figure 1: Satellite Navigation and Communication Integration Based on Correlation Domain Indefinite Pulse Position Modulation Signal 