Peeling the 802.11 onion: separating congestion from physical per

Abstract

An ability to accurately classify observed packet errors according to their root cause: physical layer or MAC layer contention, in 802.11 networks, opens up many opportunities for performance improvement at the both the MAC and IP layers. We investigate two orthogonal ways to achieve this, and present a methodology, the 'map', for clearly visualizing the results free of packet size and rate 'bias'.