Patent ID: 9612124
Date: 2017-04-04
CPC Classifications: G01C,G01S

Claim:
1. A method comprising: obtaining navigation data representative of at least an estimated current position of a navigation system receiver relative to a navigation route, the navigation route including one or more predetermined directions to arrive from the estimated current position to a destination location; and changing at least one of: signal processing or data processing in the navigation system receiver to provide a high accuracy setting in response to the estimated current position being within a predetermined distance of a high accuracy waypoint, the high accuracy waypoint representing a fixed geographic location along the navigation route and being determined based upon the estimated current position and a destination location, wherein the high accuracy setting corresponds to a high power draw setting of the navigation system receiver; and changing the at least one of: signal processing or data processing in the navigation receiver to provide a low accuracy setting in response to the estimated current position is travelling along a straight line relative to the navigation route, wherein the low accuracy setting corresponds to a low power draw setting of the navigation receiver.