Ali Ibrahim Luca Muscariello James Roberts A Single Channel Signalling Mechanism for Power/Rate Control in WLANs. 1-8 2009 NGI http://doi.ieeecomputersociety.org/10.1109/NGI.2009.5175752 conf/ngi/2009 db/conf/ngi/ngi2009.html#IbrahimMR09