Fred Daneshgaran Massimiliano Laddomada Fabio Mesiti Marina Mondin Modelling and Analysis of the Distributed Coordination Function of IEEE 802.11 with Multirate Capability http://arxiv.org/abs/0802.0766 2008 CoRR abs/0802.0766 db/journals/corr/corr0802.html#abs-0802-0766 informal publication