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This paper presents a distributed admission control for the distributed coordination function of IEEE 802.11 wireless LANs that limits the risk of congestion collapse due to a high arrival rate of flows. This control scheme requires no modification to the current distributed coordination function; it works by performing a short, non-disturbing probe that estimates the MAC service time. The flow is admitted if the estimate is below a threshold. We show how the threshold may be adjusteddoi:10.1109/iwqos.2006.250462 dblp:conf/iwqos/MunosIK06 fatcat:egtkqlyjmjb4ph4kf7im7ojn7y