A-GPS (Assisted-Global Positioning System): Difference between revisions
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A system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a GPS satellite-based positioning system. A-GPS is extensively used with GPS-capable cellular phones, as its development was accelerated by the U.S. FCC's 911 requirement to make cell phone location data available to emergency call dispatchers. |
A system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a GPS satellite-based positioning system. A-GPS is extensively used with GPS-capable cellular phones, as its development was accelerated by the U.S. FCC's 911 requirement to make cell phone location data available to emergency call dispatchers. |
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== Relevant NENA Documents == |
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Ref: |
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[https://www.nena.org/page/DataFormats NENA-STA-015, NENA Standard Data Formats for 9‑1‑1 Data Exchange & GIS Mapping] |
[https://www.nena.org/page/DataFormats NENA-STA-015, NENA Standard Data Formats for 9‑1‑1 Data Exchange & GIS Mapping] |
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[[Category:Glossary]] |
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