A-10 (Leutert) WLAN 802.11n MIMO Analysis - Sharkfest - Wireshark
A-10 (Leutert) WLAN 802.11n MIMO Analysis - Sharkfest - Wireshark
A-10 (Leutert) WLAN 802.11n MIMO Analysis - Sharkfest - Wireshark
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Block-ACK MechanismRather than sending an individual acknowledgefollowing each data frame, <strong>802.11n</strong> introduces thetechnique of confirming a burst of up to 64 frameswith a single Block ACK (BA) frameThe Block ACK even contains a bitmap to selectivelyacknowledge individual frames of a burst(comparable to selective acknowledges of TCP)The use of combined acknowledges can berequested by sending a Block ACK Request (BAR)SHARKFEST ‘<strong>10</strong> | Stanford University | June 14 –17, 20<strong>10</strong>
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