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Method and apparatus for controlling a transmit power level of a device in a wireless communications network

  • US 9,402,238 B1
  • Filed: 03/17/2015
  • Issued: 07/26/2016
  • Est. Priority Date: 03/17/2014
  • Status: Active Grant
First Claim
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1. A wireless communication system comprising:

  • a first wireless access point; and

    a first set of first stations in wireless communication with the first wireless access point;

    wherein the first set of first stations is divided into groups, each group including at least one of the first stations;

    wherein each group of first stations is assigned to a respective one of a plurality of power levels;

    wherein the first wireless access point controls power for communications with at least one of the groups of first stations by announcing a power level on a channel;

    wherein a station in the at least one of the groups of first stations accesses the channel when the announced power level is a respective one of the plurality of power levels to which the at least one group of first stations is assigned; and

    wherein the first wireless access point implicitly assigns first stations within the first set of at least one first station to respective ones of the plurality of power levels by announcing the plurality of power levels, allowing a respective one of the first stations to select a respective one of the plurality of power levels according to power needs of the respective one of the first stations.

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