Patent ID: 9644970
Date: 2017-05-09
CPC Classifications: B60W,G01C

Claim:
1. A method, implemented at a telematics unit of a vehicle, for calculating an estimated horizontal position error (EHPE) of a position of a vehicle, where the position of the vehicle is provided by a dead reckoning (DR) engine, the method comprising: determining that the vehicle is operating within a parking garage; triggering, in association with determining that the vehicle is operating within a parking garage, a parking garage mode for calculating an EHPE for the position of the vehicle provided by a DR engine; and calculating, according to the parking garage mode for calculating the EHPE, the EHPE for the position of the vehicle provided by the DR engine, wherein the parking garage mode for calculating an EHPE differs from at least one other mode for calculating an EHPE by the DR engine.