System and method for enhancing the performance of satellite...

Details System and method for enhancing the performance of satellite... System and method for enhancing the performance of satellite...

G - Physics

01

S

G01S 5/14 (2006.01)

Patent

CA 2590736

A system and method for enhancing the performance of satellite navigation receivers are disclosed, which incorporate a precise frequency reference in a satellite navigation receiver that reduces the system's dependence on maintaining continuous satellite reception for RAIM availability. As one example, a system for enhancing the performance of a satellite navigation receiver is disclosed, which includes a GPS receiver and a high precision (e.g., atomic) clock incorporated into the GPS receiver. The use of the high precision clock reduces clock error and the number of satellite measurements needed to meet existing RAIM availability requirements. For example, incorporating a precision clock into a GPS receiver provides an enhanced system that meets existing RAIM availability requirements with at least one less satellite measurement than the number needed for prior systems using RAIM.

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