Method and apparatus for retrieving a transmission opportunity control in reverse direction grant
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Aug 11, 2015
filing date -
Sep 16, 2011
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Abstract
Embodiments of the present invention disclose a method and an apparatus for retrieving transmission opportunity control in reverse direction grant. The method includes: obtaining, by a reverse direction responder (RD responder), a TXOP control from a reverse direction initiator (RD initiator); enabling, by the RD responder, a multi-user multiple-input multiple-output (MU-MIMO) mode; sending, by the RD responder, a frame to a plurality of stations concurrently in a TXOP period, the plurality of stations comprise the RD initiator; wherein the frame carries information that only requires the RD initiator to send back only a single acknowledgement in the TXOP period to return the TXOP control.
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