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Coexistence mechanism for multiple channels

  • US 8,797,881 B2
  • Filed: 06/13/2011
  • Issued: 08/05/2014
  • Est. Priority Date: 06/13/2011
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a plurality of transceivers for sending and receiving data on a plurality of channels;

    a plurality of detectors coupled with the plurality of transceivers and having detector outputs; and

    a controller coupled with the plurality of detectors, the controller comprising a mid-packet clear channel assessment circuit configured to determine a subset of the plurality of channels that are available for communication;

    wherein the plurality of detectors monitor the plurality of channels;

    wherein the controller is operable to receive a signal on at least one of the plurality of channels, the signal comprising data representative of a request to establish communications on a set of channels selected from the plurality of channels;

    wherein the controller determines from monitoring the plurality of detector outputs which channels from the set of channels are available for establishing communications;

    wherein the controller sends a response to the request to establish communications on at least one of the channels available for establishing communications;

    wherein the response comprises data representative of which channels from the set of channels and from the subset of channels are available channels for establishing communications;

    wherein the response comprises data representative of which channels from the set of channels are unavailable channels for establishing communications; and

    wherein the response comprises data representative of a time period when the unavailable channels are expected to be available.

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