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Systems and methods for multi-beam optic-wireless vehicle communications

  • US 8,068,463 B2
  • Filed: 07/23/2008
  • Issued: 11/29/2011
  • Est. Priority Date: 07/23/2007
  • Status: Expired due to Fees
First Claim
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1. A method for transmitting a data packet across a Vehicular Ad-hoc Network (VANET) having a plurality of vehicles, each of which having a plurality of directional antennas, the method comprising:

  • receiving at a first vehicle a data packet from a first neighbor vehicle via an incoming directional radio link from one of the plurality of directional antennas;

    checking if the data packet is a duplicate data packet;

    transferring the data packet to a second antenna of the plurality of antennas; and

    forwarding the data packet to a second neighbor vehicle via a second outgoing radio link from said second antenna of the plurality of antennas;

    wherein the data packet further comprises a header including a Source ID, Sequence Number, and Recipient Information for the data packet, the method further comprising;

    generating a Switched Packet List (SPL), said SPL including the source ID, sequence number, acknowledgement status, and packet cache for each data packet;

    determining a source and a scope of the data packet; and

    adding the data packet to the SPL.

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