Null - This is cool. At the end of this UL-OFDMA period, this client sends 3 null data frames to the AP, each one for a different QoS AC indicating its remaining buffer size. #WiFi6 https://t.co/teZJDLGegc

5:51am PST - February 11th, 2022

This is cool. At the end of this UL-OFDMA period, this client sends 3 null data frames to the AP, each one for a different QoS AC indicating its remaining buffer size. #WiFi6 https://t.co/teZJDLGegc

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