UPLINK ACKNOWLEDGMENT RESPONSE TO DOWNLINK MULTIPLE USER TRANSMISSION
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Jul 15, 2015
filing date -
Jul 15, 2014
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Abstract
The present invention provides a method and apparatus for transmitting an Uplink (UL) ACKnowledgement (ACK) in response to a Downlink (DL) Multi-User (MU) transmission in a Wireless Local Area Network (WLAN). According to one aspect of the present invention, a method for transmitting an ACK in response to a DL data transmission from an Access Point (AP) by a Station (STA) in a WLAN may be provided. The method may include receiving, from the AP, a downlink frame including downlink data for the STA and downlink data for one or other STAs, and transmitting an ACK frame to the AP in response to the downlink data for the S_TA, simultaneously with transmission of ACK frames from the one or more other STAs. The ACK frames transmitted by the STA and the one or more other STAs may have the same length.
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