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Error detection system

  • US 8,069,402 B2
  • Filed: 02/22/2011
  • Issued: 11/29/2011
  • Est. Priority Date: 03/18/2008
  • Status: Active Grant
First Claim
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1. A method of improving error detection in a communication system, the method comprising:

  • receiving a signal from a transmitter at a receiver wherein the signal comprises a data portion and a result of a hash function wherein the hash function is computed in part from a transmitter identification code, and wherein the signal is spread with a gold code that is specific to the transmitter;

    determining if the result of the hash function matches both the data portion and the transmitter identification code of the transmitter; and

    discarding the signal if the result of the hash function does not match both the data portion and the transmitter identification code of the transmitter.

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