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Automobile Navigation: Where is it Going?

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1 Author(s)
French, Robert L. ; Consultant, Fort Worth, TX 76107

Automobile navigation systems based on dead reckoning, map matching, satellite positioning and other navigation technologies are under active development. ``Map intelligent'' systems achieve high relative accuracy by matching dead-reckoned paths with road geometry encoded in a digital map data base that may also serve other functions such as vehicle routing and geocoding. Satellite-based navigation systems achieve high absolute accuracy but require dead reckoning augmentation because of signal aberrations in the automotive environment. Future systems will probably include multiple navigation technologies. Issues influencing the design of future systems include safety concerns regarding the driver interface, and the future availability of comprehensive map data bases, real-time traffic data, and mobile data communication links necessary for on-board generation of optimum routes.

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:2 ,  Issue: 5 )

Date of Publication:

May 1987

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