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Vehicle-mounted communication device, inter-vehicle communication system, and communication method

  • US 9,948,717 B2
  • Filed: 10/01/2013
  • Issued: 04/17/2018
  • Est. Priority Date: 11/07/2012
  • Status: Active Grant
First Claim
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1. A vehicle-mounted communication device for transmitting uplink data as data generated in a first vehicle, comprising:

  • a first wireless communication unit configured to establish an uplink connection to a second vehicle-mounted communication device mounted on a second vehicle;

    a second wireless communication unit configured to establish a downlink connection to a third vehicle-mounted communication device mounted on a third vehicle;

    and a processor functioning as;

    an authentication unit configured to authenticate the third vehicle-mounted communication device;

    an address management unit configured to assign a network address to the third vehicle-mounted communication device; and

    an address translation unit configured to perform translation of the network address assigned from the second vehicle-mounted communication device and the network address used by the vehicle-mounted communication device,wherein in a case where an access point connected to a wide area network is available, the first wireless communication unit establishes the uplink connection to the access point, and in a case where the access point is not available, the first wireless communication unit establishes the uplink connection to the second vehicle-mounted communication device mounted on the second vehicle.

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