Offline service embeds assistance for GPS

The new AssistNow Offline service provides A-GPS assistance data that enable instant positioning over extended time periods without the need for mobile connectivity.

u-blox has extended its AssistNow A-GPS service.

The new AssistNow Offline service provides A-GPS assistance data that enable instant positioning over extended time periods without the need for mobile connectivity.

u-blox' AssistNow technology cuts a GPS receiver's Time To First Fix to seconds by providing assistance data that enables the receiver to compute a position instantly.

Whereas AssistNow Online, introduced in June 2006, uses mobile networks to provide the assistance data at each start-up, the new AssistNow Offline service works independently of networks and does not require server access for data downloads at start-up.

The service provides assistance data valid for up to 14 days so users can update their assistance data files at their own convenience.

AssistNow Offline uses AlmanacPlus assistance data, u-blox' unique differential Almanac correction method that achieves unrivalled positioning accuracy for long time periods.

"This new service brings instant GPS positioning anytime, anywhere", said Daniel Ammann, u-blox Executive Vice-President for GNSS Software.

"Users can now benefit from always-on, accurate location services without having to worry about network coverage or waiting times".

AssistNow is scalable and supports a wide range of services, from single user GPS-enabled applications to complex multi-user, multiterminal vehicle, goods or staff management systems.

This off the shelf service requires minimal installation and maintenance efforts and works on all Flash-based Antaris 4 GPS receivers.

Users can choose between the basic "Free Service" and the "Premium Service" with defined performance and guaranteed service levels.

AssistNow Offline is available immediately in Beta; the production version is scheduled for the second quarter of 2007.

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