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Clear channel assessment (CCA) threshold adaptation method

  • US 10,631,252 B2
  • Filed: 02/13/2019
  • Issued: 04/21/2020
  • Est. Priority Date: 09/13/2013
  • Status: Active Grant
First Claim
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1. A method for use in an Institute of Electrical and Electronics Engineers (IEEE) 802.11 station (STA) associated with a first Basic Service Set (BSS), the method comprising:

  • receiving, from an access point (AP) associated with the first BSS, a transmit power control_clear channel assessment_constant (TPC_CCA_constant) for a plurality of STAs associated with a second BSS, wherein the TPC_CCA_constant indicates a CCA threshold to be used by a plurality of STAs associated with the first BSS;

    determining, based on the TPC_CCA_constant, a STA specific CCA parameter for the STA, wherein the STA specific CCA parameter is greater than a minimum CCA threshold; and

    determining, based on the STA specific CCA parameter, a target transmit power control (TPC) parameter of the STA for transmission to the AP associated with the first BSS, wherein a sum of the target TPC parameter and the STA specific CCA parameter is constant.

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