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Method and terminal for acquiring road condition information

  • US 9,448,075 B2
  • Filed: 07/01/2013
  • Issued: 09/20/2016
  • Est. Priority Date: 11/23/2012
  • Status: Active Grant
First Claim
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1. A method for acquiring road condition information, comprising:

  • forming an Ad Hoc network with other terminals by a terminal with a positioning system;

    acquiring own position information through the positioning system;

    communicating with other terminals in a network through the Ad Hoc network to exchange position information;

    acquiring the road condition information according to the exchanged position information, comprising;

    exchanging a terminal ID with the other terminals in the network through the Ad Hoc network;

    setting a relative distance D2 to a designated terminal ID, andraising an alarm when detecting that a relative distance between a position of the designated terminal ID and the own position is greater than D2 according to the exchanged position information to prevent queue members from getting separated.

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