MWC 2015: Rx Networks Updates GNSS Extended Ephemeris Solution

March 2, 2015  - By
Image: GPS World

Rx Networks Inc., a mobile location technology and services company, announced the upcoming release of its GPStream PGPS v8 extended ephemeris solution at Mobile World Congress 2015, taking place this week in Barcelona, Spain.

The patented technology, being used in hundreds of millions of devices, is designed to speed up the time-to-first-fix (TTFF) of any GNSS chipset while improving acquisition sensitivity in challenging environments.

Compared to the previous version, GPStream PGPS v8 effectively doubles accuracy performance while supporting all four global GNSS constellations. GPStream PGPS v8 will be available for integration testing in the second quarter of 2015, with commercial release in the fourth quarter of 2015. (Full commercial support for Galileo will remain subject to the readiness of the constellation).

All major GNSS semiconductor vendors are now offering or developing multi-constellation support to improve availability in challenging environments. Quad-constellation support also enables OEMs and GNSS chipset manufacturers to meet any national or regional market requirement. Availability of extended ephemeris across the four constellations is required to ensure fast TTFF and optimal sensitivity. Early lab access to the latest GPStream PGPS v8 solution from Rx Networks can help chipset manufacturers validate performance early in the development cycle and thus accelerate the time to market for their new multi-constellation chipsets.

A key component of any extended ephemeris solution is the accuracy of the orbit and clock predictions. This accuracy is often presented as an error in meters compared to the native broadcast ephemeris transmitted by the satellites. The latest version of GPStream PGPS improves this accuracy by a factor of two, compared to its previous release. For example, day 1, 7 and 14 accuracies for GPS are now 2.8 m, 4.5 m and 11.4 m compared to 6.3 m, 12.5 m and 30.2 m previously. BeiDou and Galileo will experience similar performance. GLONASS is also significantly improved, with day 1, 7 and 14 accuracies of 1.8 m, 6.5 m and 13.7 m compared to 7.3 m, 13.4 m and 27.2 m previously.

“Rx Networks continues to expand its relationships with major OEMs and GNSS chipset manufacturers to help them deliver innovative, multi-constellation and highly accurate GNSS performance,” said John Carley, senior product manager at Rx Networks. “This latest release reaffirms our commitment to provide best in class Assisted-GNSS solutions for the mobile market.”

Rx Networks is exhibiting in Booth 5H75 at Mobile World Congress.