Sachin Katti Hariharan Rahul Wenjun Hu Dina Katabi Muriel Médard Jon Crowcroft XORs in the air: practical wireless network coding. 243-254 2006 conf/sigcomm/2006 SIGCOMM http://doi.acm.org/10.1145/1159913.1159942 db/conf/sigcomm/sigcomm2006.html#KattiRHKMC06