Sachin Katti Hariharan Rahul Wenjun Hu Dina Katabi Muriel Médard Jon Crowcroft XORs in the air: practical wireless network coding. 497-510 2008 16 IEEE/ACM Trans. Netw. 3 http://doi.acm.org/10.1145/1399562.1399563 db/journals/ton/ton16.html#KattiRHKMC08