doc.: IEEE 802.11-10/0567r0 Submission Slide 14Michelle Gong, Intel May 2010 Without MAC protection, polled ack performs significantly better than scheduled ack Data (STA1) Data (STA3) Data (STA2) BA SIFS EIFS = 94us BA STA1 STA2 STA3 EIFS can protect only one BA STAs that cannot decode the DL SDMA transmission can contend and collide with the remaining BA Aggregated network throughput Polled ack Scheduled ack (SIFS)
{}