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Method and apparatus for multiple accesses to a communications channel

  • US 20110076953A1
  • Filed: 09/25/2009
  • Published: 03/31/2011
  • Est. Priority Date: 09/25/2009
  • Status: Active Grant
First Claim
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1. A method for multiple transmitter access to an electromagnetic communication system, comprising:

  • transmitting a first signal repeated multiple times on a frequency in said communication system, said signal being transmitted with a determined set of delays between each retransmission;

    receiving said signal by receiving means, said receiving means making multiple delayed copies of said signal using said determined set of delays;

    transmitting a second signal multiple times on said same frequency in said communication system, said second signal being transmitted with a different set of delays than the first signal; and

    receiving said second signal, by said receiving means, said receiving means making multiple delayed copies of said second signal, then delaying said copies using the delay set for the second signal, and then combining said delayed copies.

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