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4.6.2 avigation Update Rate N

TheANTARIS

4GPSTechnologysupportsrawdataandnavigation updaterateshigheror lowerthan 1update

persecond.

Parameter Description

Measurement Period

Definesthetimebetweentworawdata(pseudorange)measurements.

Navigation Rate

Definesthenavigationupdaterate(seeformulabelow).

Time Source

DefineswhetherthenavigationupdateisalignedtoGPStimeorUTC.

Table 28: Navigation rate parameters

[]

mstPeriodMeasuremenRateNavigation

sUpdateRateNavigation

1000

= 



 Note Theupdateratehasadirectinfluenceonthepowerconsumption.Themorefixesthatarerequired,

themoreCPUpowerandcommunicationresourcesarerequired.

 Note ThehigherthedynamicsofthedeviceholdingaGPSsystem,thefasterthepositionupdateshallbe. 

Formostapplicationsa

1Hzupdateratewouldbesufficient.

4.6.3 Dynamic Platform Model

TheANTARIS

4GPSTechnologysupportsdifferentdynamicplatformmodelstoadjustthenavigationengineto

theexpectedenvironment.Theseplatformsettingscanbechangeddynamicallywithoutdoingapowercycleor

reset.Itallowsabetterinterpretationofthemeasurementsandhenceprovidesamoreaccuratepositionoutput.

Setting the GPS receiver

 to an unsuitable platform model for the application environment may reduce the

receiverperformanceandpositionaccuracysignificantly.





Thisparameterhasonlyaneffectifthenavigationupdaterateislessthan1updatepersecond(e.g.1updateper10s).

GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) ReceiverDescription

GPS.G4-MS4-05007-A1

  Page 97

u-blox ANTARIS 4 User Manual

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