Eric Rozner Anand Padmanabha Iyer Yogita Mehta Lili Qiu Mansoor Jafry ER: efficient retransmission scheme for wireless LANs. 8 2007 CoNEXT http://doi.acm.org/10.1145/1364654.1364665 conf/conext/2007 db/conf/conext/conext2007.html#RoznerIMQJ07