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u-blox ANTARIS 4 User Manual

u-blox ANTARIS 4
187 pages
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î›…
your position is our focus
u-bloxî›…providesî›…AlmanacPlus
®
î›…dataî›…filesî›…inî›…differentî›…sizes,î›…whichî›…containî›…differentialî›…almanacî›…correctionsî›…thatî›…areî›…
tileî›…Flashî›…EPROM.î›…
A
fflineî›…worksî›…inî›…locat nyî›…wirelessî›…connectivityî›…asî›…theî›…correctionî›…dataî›…filesî›…resideî›…inî›…theî›…
r î›…immedi nloadî›…
w llî›…charges.î›…
 N NTARIS
®
4î›…GPSî›…re specialî›…
4.5.7 SuperSense
®
GPS - Weak Signal GPS (TIM-4H/ LEA-4H/ TIM-4S/ LEA-4S)
This section only applies to TIM-4H/TIM-4S, LEA-4H/LEA-4S and NEO-4S.
heî›…SuperSense
®
î›…technologyî›… drasticallyî›…increasesî›…theî›… sensitivityî›…ofî›…ANTARIS
®
4î›…GPSî›…receivers,î›…therebyî›…enhancingî›…
Sî›… co
thoughî›…not
lsî›…muchî›…longerî›…thanî›…Standardî›…GPSî›…
receiversî›…andî›… canî›… trackî›… downî›… toî›… levelsî›… closeî›… toî›… -160dBm,î›… whichî›… isî›… aboutî›…10dBî›… betterî›… thanî›… whatî›… aî›… ANTARIS
®
4î›…
rdî›…GPS
Automatic S
Theî›… SuperSense
®
î›… firmwareî›… automaticallyî›… adjustsî›… theî›… sensitivityî›… settingsî›… forî›… bestî›… performanceî›… byî›… applyingî›…
nnelî›… dependingî›… onî›… theî›… signalî›… strength.î›… Forî›… anî›… optimizedî›… startupî›…
î›…anotherî›…sensitivityî›…modeî›…mayî›…beî›…consideredî›…(seeî›…Section 4.5.8).î›…
ationî›…accuracyî›…underî›…dynamicî›…conditionsî›…willî›… beî›…lowerî›…
forî›…weakerî›…signalsî›…dueî›…toî›…theî›…longî›…integrationî›…timeî›…butî›…alsoî›…dueî›…toî›…theî›…factî›…thatî›…SuperSenseî›…will î›…haveî›…toî›…relyî›…onî›…
reflectedî›…signalsî›…inî›…orderî›…toî›…achieveî›…positionî›…fixesî›…(see Figure 80
).î›…
validî›…forî›…aî›…periodî›…ofî›…betweenî›…1î›…andî›…14î›…daysî›…thereafter.î›…Usersî›…canî›…downloadî›…correctionî›…dataî›…anytimeî›…theyî›…haveî›…
anî›… Internetî›…connection,î›… forî›…exampleî›… atî›…homeî›…orî›… inî›… theî›…office.î›… Theî›…GPSî›… receiverî›… storesî›…theî›…downloadedî›… dataî›… inî›…
theî›…non-vola
ssistNow
®
î›…O ionsî›…withoutî›…a
eceiver.î›…Thisî›…makesî›…them atelyî›…availableî›…uponî›…start-up,î›…eliminatingî›…connectionî›…set-upî›…delays,î›…dow
aitingî›…timesî›…andî›…ca
ote: Allî›…A ceiversî›…withî›…Flashî›…EPROMî›…areî›…AssistNow
®
î›…Offlineî›…capableî›…butî›…requireî›…aî›…
firmware.
T
theî›… GP verageî›… inî›… areasî›… withî›… obstructedî›… skyî›… viewî›… (e.g.î›… urbanî›… canyons)î›… andî›… providingî›… positioningî›… inî›… manyî›…
î›…allî›…indoorî›…locations.î›…SuperSense
®
î›…î›…canî›…integrateî›…theî›…incomingî›…signa
Standa î›…receiverî›…canî›…do.î›…î›…
election of optimal Sensitivity
individualî›… integrationî›… timesî›… forî›… eachî›… cha
performanceî›…(i.e.î›…automotiveî›…applications)
Accuracy and Dynamic Responsiveness
Inî›…theî›…presenceî›…ofî›…strongî›…signals,î›…theî›…performanceî›…andî›…dynamicî›…responsivenessî›…
ofî›…SuperSense
®
î›…isî›…comparableî›…toî›…
Standardî›…GPSî›… receiversî›…likeî›…TIM-4Aî›…orî›…TIM-4P.î›…Theî›…navig
6 SV in sight for Navigation
(3 direct, 3 reflected Signals)
î›…
3 SV in sight for Navigation
î›…
Figure 80: Direct line-of-sight versus reflected signals
GPSî›…Modulesî›…-î›…Systemî›…Integrationî›…Manualî›…(SIM)î›…(incl.î›…Referenceî›…Design)î›…î›… Receiverî›…Descriptionî›…
GPS.G4-MS4-05007-A1
î›… î›… Page 93î›…

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u-blox ANTARIS 4 Specifications

General IconGeneral
Brandu-blox
ModelANTARIS 4
CategoryGPS
LanguageEnglish

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