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PRE-CACHING OF NAVIGATION CONTENT BASED ON CELLULAR NETWORK COVERAGE

  • US 20160025497A1
  • Filed: 07/24/2015
  • Published: 01/28/2016
  • Est. Priority Date: 07/24/2014
  • Status: Abandoned Application
First Claim
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1. A navigation system that caches map data associated with wireless white spots, the system comprising:

  • map data memory;

    a position sensor that determines a present location of the navigation system and provides navigation system position data indicative thereof;

    a wireless transmitter that transmits the navigation system position data;

    a wireless receiver that receives wireless data including wireless white spot map data and wireless non-white spot map data in response to the transmitted navigation system position data and stores the received wireless white spot map data and the wireless non-white spot map data in the map data memory; and

    a processor that receives the navigation system position signal and forms a map image based upon the received wireless white spot map data and the navigation system position data when the wireless receiver is not receiving the wireless data.

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