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your position
is our focus
TIM-LR
Dead Reckoning GPS Receiver Module
ANTARIS
® Positioning Engine
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The! TIM-LR! is! an! ultra-low! power! sensor-based! dead!
reckoning!GPS!module!suitable!for! passive!and!active!
antennas.!! The! combination! of! the! ANTARIS! GPS!
positioning! engine! and! the! Enhanced! Kalman! Filter!
EKF™! algorithm! provide! precise! navigation! in!
locations! with! no! or! impaired! GPS! reception,! for!
example! tunnels,! indoor! car! parks! and! deep! urban!
canyons.!! Deviations! in! navigation! caused! by!
multipath!effects,!as!commonly!observed!in!cities!with!
densely! populated! high-rise! buildings,! belong! to! the!
past.!!The!TIM-LR!is!the!ideal!solution!for!high-volume!
applications! requiring! a! cost-effective! and! tightly!
integrated! product! that! fulfills! 100%! road! coverage!
requirement.!
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Overview
Dead! reckoning! GPS! receivers! supplement! the! GPS!
information!with!an!incoming!signal!from!a!gyroscope!
(turn! rate! sensor)! and! from! odometer! pulses! to! do!
dead! reckoning! navigation! through! periods! of! GPS!
outages.!! Depending! on! the! quality! of! the! available!
GPS!signals,!the!EKF!algorithm!from!u-blox!computes!
the!next!positions!accurately!by!using!an!automatically!
weighted!average!of!the!GPS!and!sensor!inputs.!!Dead!
reckoning!is!beneficial!in!following!applications:!
• In-Vehicle!Navigation!Systems!(INVS)!and!telematics!
• 24h!Automatic!Vehicle!Location!
• Car!security!and!safety!products!
• Stolen!car!recovery!
• Emergency!and!road!side!assistance!
• GPS!enabled!road!pricing!
• Distance-dependent!billing,!urban!charge!zones!
• Billing!of!metered!parking!areas!
• Homeland!security:!!
• Dispatch!of!emergency!vehicles!
• Monitoring!transportation!of!dangerous!goods!
• Precise!dynamic!vehicle!positioning!
• Agriculture,!motor!sport!
Benefits
• High!acquisition!and!tracking!sensitivity!
• Ultra-low!power!consumption!
• Reliable!navigation!while!satellites!are!out!of!sight!
• Left!and!right!turns:!detected!by!a!gyroscope!
• Distanced!traveled:!pulses!from!vehicle!odometer!
• Optional!use!of!forward!/!reverse!gear!indication!
• Position!output!in!NMEA!and!UBX!protocols!
• Excellent!GPS!performance!
• Excellent!navigation!accuracy,!
even!at!low!signal!levels!
• Active!multipath!detection!and!removal!
• Fast!Time-To-First-Fix!(TTFF)!
• Highly!integrated!GPS!module!
• Automatic!pick-and-place!assembly!
• Reflow!solderable!
• Fully!EMI!shielded!
• Passive!and!active!antenna!support!
Features
• 16!channel!GPS!receiver!
• 8192!simultaneous!time-frequency!search!bins!
• 1!Hz!position!update!rate!
• Based!on!the!ANTARIS!GPS!Technology!
• ATR0600!RF!front-end!IC!
• ATR0620!Baseband!IC!with!ARM7TDMI!inside!
• ATR0610!Low!noise!amplifier!IC!
• FLASH!memory!
• Dead!Reckoning!(DR)!with!Enhanced!Kalman!Filter:!
• 40!Hz!DR!calculation!rate!for!high!accuracy!
• Mixed!GPS!and!DR!operation,!depending!on!
availability!and!quality!of!GPS!signal!
• Fully!automatic!calibration!
• Temperature!compensation!
• DGPS!and!SBAS!(WAAS,!EGNOS)!support!
• Operating!voltage!2.7!to!3.3!V!
• Battery!supply!pin!for!backup!memory!and!RTC!
• Industrial!operating!temperature!range!–40!to!85°C!
25.4!x!25.4!x!3!mm!
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