Method and device for recovering error without retransmission of data frame in wireless LAN
Number of patents in Portfolio can not be more than 2000
United States of America
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Oct 1, 2019
Grant Date -
Nov 16, 2017
app pub date -
May 19, 2015
filing date -
May 19, 2015
priority date (Note) -
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Abstract
Disclosed are a method and a device for recovering an error without the retransmission of a data frame in a wireless LAN. The method for recovering an error in a wireless LAN may comprise the steps in which: a sender STA transmits a data frame to a receiver STA; if the sender STA does not receive a block ACK frame of the data frame from the receiver STA, the sender STA determines the reason for the non-reception of the data frame; if the sender STA determines that the reason for the non-reception of the data frame is the failure of transmission of the block ACK frame after the receiver STA receives the data frame, the sender STA transmits a PBAR data frame to the receiver STA; and the sender STA receives a PBAR block ACK frame from the receiver STA as a response to the PBAR data frame.
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