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System Design Details

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ReceiversReceivers
Title System Design Details
Author(s) GMV
Level Medium
Year of Publication 2011
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Figure 1: General structure of a GNSS receiver system.


Block diagram

Figure 2: Block diagram of a typical GNSS receiver, illustrating the different parallel processing channels.


Table 1[1] presents an order of magnitude of the 3-D position/time errors achieved with different types of receivers, both for Standard Positioning Service (SPS) and Precise Positioning Service (PPS) using legacy GPS. Note that this table is valid for GPS only and it is provided here for illustrative purposes[2].


Table 1: Comparative 95% three-dimensional position/time errors across various receivers.
SPS PPS
Best Location Median Location Worst Location Best Location Median Location Worst Location
Handhelp (best 4-SV solution) 16m 32m 72m

Related articles

References

  1. ^ Kaplan, E.D. et al, "Understanding GPS: Principles and Applications", second edition..
  2. ^ For further information on the accuracy of each of the GNSS, please refer to the applicable sections.
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