Skywire® CAT4 LTE Modem GPS and AGPS App Note
●Overview:
■The NL-SW-LTE-TC4NAG Skywire supports unassisted GPS (Autonomous mode), as well as Assisted GPS mode (AGPS). This application note describes how to conduct a GPS location fix, as well as how to use AGPS to improve the overall process.
■AGPS uses location data provided by the network to get a rough estimate of the approximate location of the modem before attempting to obtain a GPS fix. This location assistance data allows for a significantly faster Time-To-First-Fix (TTFF), which ultimately reduces the overall power consumption of a GPS location fix.
■The modem's GPS requires the use of an active GPS antenna. The table below contains a list of recommended active GPS antennas.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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December 2019 |
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rev 1 |
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1002200 |
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762 KB |
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