My plan was to explain DL MU-OFDMA which includes trigger frames, CTS, MU-PPDU, and ACK  in one post but that would become boring. so I have decided to split it into 2 posts.  1- MU-Trigger frame 2- MU-PPDU In this post, we will only look at MU-Trigger frame.  Note: Let’s start: MU-OFDMA transmission can startRead more about 802.11ax MU-Trigger Frame (DL MU-OFDMA)[…]