Lock onto your position instantly with AssistNow

Adverse GPS conditions: urban canyonGPS users expect instant position information. Under adverse signal conditions, however, data downloads from satellites to the GPS receiver and subsequent positional fix can take an unacceptably long time.

u-blox’ AssistNow online assisted GPS service boosts acquisition performance by providing satellite positional data to the GPS receiver via wireless networks or the Internet. This enables a GPS receiver anywhere in the world to compute a position within seconds, even under poor signal conditions.

u-blox’ reliable AssistNow service is available in Online and Offline versions which can be used alone or in combination. Available to all u-blox OEM customers and their end-users,  AssistNow requires no additional hardware and generates virtually no CPU load. The system is very easy to integrate: Customers can install it and be operational within a day:

  • AssistNow Online: up-to-date satellite information is automatically downloaded on each device start-up to allow instantaneous calculation of your position (TTTF less than 1 second). Size of downloaded data: 1-3 KB.
  • AssistNow Offline: up-to-date satellite information is downloaded once every 14 days. Ephemeris data plus ublox’ “AlmanacPlus” differential correctional data then provide fast and accurate positional calculation for up to 2 weeks without a network connection, and in near real-time (as low as 5 seconds).
  
 Download AssistNow Product Summary (PDF)  


u-blox products compatible with AssistNow:
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