NaviGadget

free A-GPS service from Nemerix for their NX3 GPS chips

Aug 14, 2007 gps navigation, gps satellites, misc news

Swiss GPS chip maker NemeriX just announced their free service of NeX (NemeriX Extended Ephemeris) Assisted GPS technology on all NemeriX NX3 GPS platforms. The new technology attempts to shorten TTFF for satellites enabling them to get accurate position data even indoors.

Their press release also includes a section which explains the idea behind assisted GPS technology:

To calculate a position, a GPS receiver must locate a minimum of four satellites. Once connected, downloads can take over 30 seconds, even under optimal signal conditions. NemeriX’s NeX technology accelerates this process by storing location data for all functional GPS satellites, for seven days. Satellite data is then transferred at one time to a mobile handset or personal navigation device via an extremely small file. The uniquely small file size means it can be delivered via a variety of transmission methods, or updated each time a user turns on their handset. Storing satellite location data in this fashion boosts performance 2X for GPS receivers, by reducing the time it takes to calculate a position on the ground.

NeX technology is server independent, meaning if you get a mobile device with a NemeriX platform, your device will be able to get a quick satellite fix even your network does not support this.

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