Daisuke Umehara Tomoya Hirano Satoshi Denno Masahiro Morikura Throughput Analysis of Wireless Relay Slotted ALOHA Systems with Network Coding. 4981-4985 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.953 conf/globecom/2008 db/conf/globecom/globecom2008.html#UmeharaHDM08