GPS transmission time calculation
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SWIFT "Store and Forward" - Full Swift report (up to 60 coordinates per report, without additional parameters) takes 2 seconds of transmission per Subscriber on Time-slot.
Regular GPS – Takes about 1 second of transmission per Subscriber on Time-slot.
With report every 60 seconds - 60 radios can send report utilizing Time-slot per minute.
With report every 60 seconds - 180 radios can send report utilizing Time-slot per minute.
Enhanced GPS (window 1) - Supports up to 1808 location responses per minute per repeater using both slots, while running at 90% capacity.
With report every 60 seconds - 900 radios can send report utilizing Time-slot per minute.
Enhanced GPS (window 2) - Supports up to 896 location responses per minute per repeater using both slots, while running at 90% capacity.
With report every 60 seconds - 450 radios can send report utilizing Time-slot per minute.
Report with 30 or less coordinates without additional parameters, takes 1 second of transmission per Subscriber on Time-slot.
With report every 60 seconds - 30 radios can send full report (30 to 60 coordinates in report) utilizing Time-slot per minute.
With report every 60 seconds - 60 radios can send standard report (up to 30 coordinates in report) utilizing Time-slot per minute.
More information on "Store and Forward" feature can be found on our site.
Note!
TRBOnet console has built-in Enhanced GPS calculator available in GPS trigger settings when Scheduled GPS type is selected.
Regular GPS – Takes about 1 second of transmission per Subscriber on Time-slot.
With report every 60 seconds - 60 radios can send report utilizing Time-slot per minute.
Note!
This information is calculated using empiric method, TRBOnet Watch channel analysis and taking into account information from Motorola System planner ("Voice and Data Traffic Profile").
This information is calculated using empiric method, TRBOnet Watch channel analysis and taking into account information from Motorola System planner ("Voice and Data Traffic Profile").
Below figures are taken from Motorola system planner, it was never tested by us:
Enhanced GPS (windows 5-10) - Support for up to 360 location responses per minute per repeater using both slots, while running at 90% capacity.With report every 60 seconds - 180 radios can send report utilizing Time-slot per minute.
Enhanced GPS (window 1) - Supports up to 1808 location responses per minute per repeater using both slots, while running at 90% capacity.
With report every 60 seconds - 900 radios can send report utilizing Time-slot per minute.
Enhanced GPS (window 2) - Supports up to 896 location responses per minute per repeater using both slots, while running at 90% capacity.
With report every 60 seconds - 450 radios can send report utilizing Time-slot per minute.
Note!
Motorola System planner contains calculation tables with Number of updates per minute per Slot for Enhanced GPS in chapters:
"Radio Enhanced GPS Revert Channel Location Services"
"GPS Revert and Loading"
"GPS Revert and Loading"