A method for fast acquisition, in as little as 6-15 seconds, of signals from a satellite in a Satellite Positioning System (SATPS), such as GPS or GLONASS, that does not require permanent storage of satellite ephemeris information at an SATPS ground station. This SATPS signal acquisition method can be...http://www.google.co.uk/patents/USRE37408?utm_source=gb-gplus-sharePatent USRE37408 - Reduction of time to first fix in an SATPS receiver
