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Performance Limits of GNSS Code-Based Precise Positioning: GPS, Galileo & Meta-Signals

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Academic year: 2021

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Figure 1. (Left) Multilayer GNSS signal structure. (Right) ACF for BPSK(1) and BOC(1,1) subcarriers.
Figure 2. ACF of the GPS L1 C/A (a), GPS L5 (b), Galileo E6 (c), GPS L1C (d), Galileo E1 OS (e) and Galileo E5 (f).
Table 1. GPS, Galileo, and meta-signals main characteristics. T c is defined as the GPS L1 C/A chip period, i.e., 1.023 × 10 −6 s, and ACF main peak refers to the first zero-crossing of the ACF.
Figure 5. CRB/MLE for GPS L1 C/A BPSK(1) and GPS L5-I BPSK(10).
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