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Qualifying available reverse link coding rates from access channel power setting

  • US 7,006,483 B2
  • Filed: 02/23/2001
  • Issued: 02/28/2006
  • Est. Priority Date: 02/23/2001
  • Status: Expired due to Term
First Claim
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1. A method for determining data rate for a communications channel comprising the steps of:

  • sending a first message from a first station to a second station, the message indicating an Effective Radiated Power (ERP) data value of signals transmitted by the first station;

    receiving the first message at a second station;

    measuring a signal strength for signal received at the second station;

    computing a path loss estimate at the second station as the difference between the ERP data value that it received and the measured signal strength;

    measuring the transmit power level for signals transmitted by the second station;

    sending a one or more messages from the second station to the first station, the message indicating transmit power level information and the forward path loss information;

    receiving the transmit power level information and the forward path loss information at the first station, and calculating an amount of excess power available at the second station; and

    determining an acceptable data coding rate for transmission between the first station and the second station from the excess power available.

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