Exploring Real-World Wi-Fi Challenges: Approach of understanding problems by replicating in Isolated Environment.
Great article on how Real Device Testing Setups exhibit some specific behavior’s “Legacy Power-Save” which you can observe only with Real-Devices.
Explore the Realtime Throughput vs Legacy Power-save frames.
LinkedIn (and Credits): 
https://www.linkedin.com/pulse/legacy-power-save-impact-real-device-testing-setups-vishwaksen%3FtrackingId=Cszbiqcil2gjl3vWXB69lQ%253D%253D/