u-blox ANTARIS 4 User Manual


your position is our focus
Acquisition and Ephe oad
L ation tim tracking
sensitivity. One of the  of the 50 bit-per-second data from the satellites
(containing the ephem is ngth. This limits the cold
and warmstart
sensitivitybutitalsoaf t yweakGPSsignalssinceephemerisdata
a for abo r'
environmentwithstro ceiveupdatedephemerisandotherdata.
Alternatively,onecould
provideephemeristot re sage(ephemerisaiding).
Power Consumption
The power consumpt 
 higher compared to Standard ANTARIS
®
 GPS
r 
meris Downl
onger integr es also improve the acquisition sensitivity but it’s not possible to reach the
 main issues is that the decoding
er data) is not possible at very low signal stre
fec sreceiverswithaprolongedexposuretover
re only valid ut 2 hours. Therefore, the GPS receiver must periodically be moved to typical 'outdoo
ngsignalsinordertore
he ceiverwiththeAID-EPHmes
ion of SuperSense
®
 is only marginally
eceivers.
GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) ReceiverDescription
GPS.G4-MS4-05007-A1
  Page 94

u-blox ANTARIS 4 Specifications

General

Brand	u-blox
Model	ANTARIS 4
Category	GPS
Language	English