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Method and apparatus for generating control information for packet data

  • US 8,107,441 B2
  • Filed: 10/08/2004
  • Issued: 01/31/2012
  • Est. Priority Date: 05/07/2001
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • obtaining information for transmission of a data packet;

    transmitting the data packet over at least one time slot from a transmission site;

    calculating an error checking value of a variable from an initial value of the variable and the information, the initial value being an indirect function of a number of time slots of the data packet transmission with the initial value corresponding to the number of time slots without being the number of time slots;

    transmitting the calculated error checking value and the information from the transmission site;

    receiving the calculated error checking value and the information at a receiving site;

    recalculating the calculated error checking value from the received information;

    determining whether the recalculated error checking value matches the calculated error checking value; and

    determining the number of time slots of the data packet transmission based on a match between the calculated and recalculated error checking values.

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