Calculation and verification of transmit power levels in a signal point transmission system

  • US 6,570,932 B1
  • Filed: 12/21/2001
  • Issued: 05/27/2003
  • Est. Priority Date: 05/11/1998
  • Status: Expired due to Term
First Claim
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1. A modem capable of communicating over a communication channel using a constellation including a plurality of signal points, said modem comprising:

  • a processor capable of determining a probability of transmission of each signal point of said constellation;

    a transmit power calculation element capable of calculating an average power of said signal points using a power formula based on said probability of transmission of each said signal point; and

    a comparator capable of comparing said average power with a transmit power limit.

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