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Method and apparatus for power adaptation control in closed-loop communications

  • US 5,982,760 A
  • Filed: 06/20/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 06/20/1997
  • Status: Expired due to Term
First Claim
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1. In a communication system having at least one base station and at least one user station, wherein a user of said user station transmits signals to and receives communication signals from said base station, a method for controlling transmission signal power in said communication system, the method comprising the steps of:

  • at said user station, determining a quality of a current communication signal received from said base station;

    at said user station, transmitting power control messages to said base station over a feedback channel based on said step of determining a quality of a current communication signal;

    determining that a quality of said feedback channel is unacceptable;

    at said base station, transmitting a new communication signal at an adjusted power level based on said step of determining that a quality of said feedback channel is unacceptable;

    at said base station, transmitting a feedback control message to said user station; and

    at said user station, adjusting said transmission of said power control messages to said base station in response to said feedback control message.

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