Asia News: Navigating through GPS dropouts

Asia News:  Navigating through GPS dropouts


The tendency of GPS technology to lose its effectiveness in tunnels or between tall buildings and other satellite signal barriers has led Australia's UNSW to work on preventing GPS dropouts by combining satellite-reliant GPS with a non-satellite-based technology called Inertial Navigation System (INS).

The goal is to create an affordable positioning system that works accurately and seamlessly both indoors and out.

To date, major defence and technology companies have built effective GPS/INS systems, but the enormous cost of these high-tech systems puts them way beyond the reach of consumers.

Now the work of Dr Yong Li and colleagues in UNSW Engineering's Satellite Navigation & Positioning Lab (SNAPlab) could be the breakthrough that makes seamless GPS/INS navigation available for everyday use.

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