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Method and system for providing traffic information

  • US 10,134,277 B2
  • Filed: 03/05/2015
  • Issued: 11/20/2018
  • Est. Priority Date: 09/13/2012
  • Status: Active Grant
First Claim
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1. A method for providing traffic information, comprising:

  • obtaining, by a server, traffic information of a road network;

    selecting, by a client device, a candidate route from a set of candidate routes calculated by the server, and sending to the server a request for traffic information corresponding to the candidate route;

    receiving, by the server, the request from the client device, obtaining the traffic information corresponding to the candidate route from the traffic information of the road network, and sending the traffic information corresponding to the candidate route to the client device;

    or initiatively sending, by the server, the traffic information of the road network to the client device;

    or initiatively sending, by the server, the traffic information corresponding to the candidate route to the client device after the client device selects the candidate route; and

    presenting, by the client device, the traffic information provided by the server;

    wherein the selecting, by the client device, the candidate route, and sending to the server the request for the traffic information corresponding to the candidate route;

    receiving, by the server, the request from the client device, obtaining the traffic information corresponding to the candidate route from the traffic information of the road network, and sending the traffic information corresponding to the candidate route to the client device comprises;

    determining, by the client device, a driving start point, a driving dwell point and a driving end point, and sending the driving start point, the driving dwell point, the driving end point and a request for the traffic information to the server;

    calculating, by the server, the set of candidate routes according to the driving start point, the driving dwell point and the driving end point, and sending the set of candidate routes and traffic information corresponding to each candidate route in the set of candidate routes to the client device; and

    selecting, by the client device, the candidate route from the set of candidate routes according to the traffic information corresponding to each candidate route in the set of candidate routes;

    wherein the client device has at least two different states of operation, (i) online state and (ii) offline state, sending the traffic information corresponding to the candidate route to the client device comprises;

    determining, by the server, a state of the client device as one of the online state and offline state;

    selecting, by the server, an information channel automatically according to the determined state of the client device; and

    sending, by the server, the traffic information corresponding to the candidate route to the client device through the selected information channel.

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