摘要 |
<p>Methods, systems and computer program products for broadcasting location information through out of band service mechanism such as SMS are described. Specifically, ephemeris assist information, which may contain a datafile of geographic location(s) over a period of time validity, and which may contain information associated with operational satellites in a ephemeris interval, predicted ephemeris interval or any number of subsequent predicted ephemeris intervals may be used to identify a geographic location of a device. The ephemeris assist information may subsequently be broadcast to the device using one or more messages.</p> |
申请人 |
CORTXT, INC.;JOHNSON, RODERICK, MICHAEL;BLACKWELL, DANE;SCHEURMAN, BRAD;JONES, RYAN, SCOTT |
发明人 |
JOHNSON, RODERICK, MICHAEL;BLACKWELL, DANE;SCHEURMAN, BRAD;JONES, RYAN, SCOTT |