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DEDICATED SHORT RANGE COMMUNICATION (DSRC) SENDER VALIDATION USING GPS PRECISE POSITIONING TECHNIQUES

  • US 20090271112A1
  • Filed: 04/29/2008
  • Published: 10/29/2009
  • Est. Priority Date: 04/29/2008
  • Status: Abandoned Application
First Claim
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1. A communications system comprising:

  • a sending sub-system receiving GPS signals, said sending sub-system generating a message to be sent that includes a data portion and a raw GPS measurement portion, said raw GPS measurement portion including at least part of the data received in the GPS signals and said data portion including a calculation of the sending sub-system'"'"'s position using the GPS signals, said sending sub-system transmitting the message; and

    a receiving sub-system that receives the message from the sending sub-system, said receiving sub-system using the raw GPS measurements in the message to determine the position of the sending sub-system and comparing the determined position of the sending sub-system with the calculated position in the data portion of the message to determine whether a match exists to determine the validity of the message.

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