Distinguishing collisions from low signal strength in static 802.11n wireless LANs
Mingu Cho, Hakyung Jung, Shinhaeng Oh, Ted Taekyoung Kwon, Yanghee Choi · 2011
This paper proposes how to figure out whether frame losses are due to collisions or low signal strength. We observe subframe losses have distinct patterns through experiments, and devise a simple criterion which effectively distinguishes collisions from weak signals.