Ken'ichi Yasuda Shigeaki Tagashira Satoshi Fujita Adaptive MAC Scheme for Wireless LAN Based on Dynamic Group Constructions. 300-305 2006 conf/pdcat/2006 PDCAT http://doi.ieeecomputersociety.org/10.1109/PDCAT.2006.24 db/conf/pdcat/pdcat2006.html#YasudaTF06