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Mobile World Congress Feature Articles

February 15, 2011

Rx Networks Debuts New XYBRID RT at Mobile World Congress


At the Mobile World Congress, Rx Networks demonstrated its new XYBRID RT version 1.0 real time hybrid positioning service that leverages Wi-Fi, Cellular and Assisted-GPS technologies.


Designed for use in mobile devices, Global Navigation Satellite System (GNSS) chipsets as well as location applications, XYBRID RT helps determine optimal device location at places where satellite-based navigation falls short. Mobile operators can also leverage the service as a direct positioning solution both for their home networks and LBS roaming.

With the help of a simple HTTP interface, XYBRID RT works comfortably with any application or device form factor, while showing seamless integration with several GNSS chipsets that further improves Time-To-First-Fix.

The device identifies and lists all the detected Wi-Fi access points and cell towers and sends it to the RT server, which in turn analyzes this information to respond with an estimated position along with satellite orbit assistance data, thus enabling GNSS chipsets to acquire precise location. With this hybrid assistance, signal acquisition is significantly accelerated along with improved GNSS receiver sensitivity across both indoor and dense urban locations.

Using the hybrid service, end-user mobile location experience can be improved considerably with the accelerated three to five second determination of device location.

The service makes use of an extensive global database comprising of cell tower and Wi-Fi access point locations, which is dynamically populated and updated using client devices by the service itself, and sometimes supplemented by existing third party database. This cost-effective approach not only ensures self-learning and self-adapting capabilities of the databases to changing wireless networks but also enables individual partners to optionally retain data collected using their own client devices.

Using an anonymous approach that does not reveal the identity of individual devices, the XYBRID RT service ensures privacy for both individuals and security-sensitive Mobile Resources Management (MRM) and Machine-to-Machine (M2M) applications.

Real-time satellite ephemeris from Rx Networks’ proven GPStream GRN Global Reference Network is also part and parcel of the unique offering that provides highly redundant, real-time views of multiple satellite constellations. XYBRID RT service leverages the same carrier-grade network that handles E-911 and other priority services for Rx Network’s customers.


Carolyn John is a Contributor to TMCnet. To read more of her articles, please columnist page.

Edited by Janice McDuffee










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