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Method and system for broadcasting data messages to a vehicle

  • US 7,643,788 B2
  • Filed: 09/20/2005
  • Issued: 01/05/2010
  • Est. Priority Date: 09/22/2004
  • Status: Active Grant
First Claim
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1. A method for creating and broadcasting a multi-packet broadcast data message to a plurality of vehicles, comprising:

  • receiving a first data packet directed to a first vehicle having a first identity characteristic, and receiving a second data packet directed to a second vehicle having a second identity characteristic;

    assigning a first data serial number to the first data packet, and assigning a second data serial number to the second data packet;

    generating a first filter code section based on the first identity characteristic, and generating a second filter code section based on the second identity characteristic;

    concatenating the first filter code, the first data serial number, and the first data packet to generate a first one-to-one portion, and concatenating the second filter code, the second data serial number, and the second data packet to generate a second one-to-one portion;

    concatenating the first and second one-to-one portions to generate a multi-packet payload section;

    concatenating the multi-packet payload section with a header to generate the multi-packet broadcast data message; and

    broadcasting the multi-packet broadcast data message to the plurality of vehicles via a one-to-many communication system.

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