Sachin Katti Dina Katabi Hari Balakrishnan Muriel Médard Symbol-level network coding for wireless mesh networks. 401-412 2008 SIGCOMM http://doi.acm.org/10.1145/1402958.1403004 conf/sigcomm/2008 db/conf/sigcomm/sigcomm2008.html#KattiKBM08