Vinh Bui Weiping Zhu Lam Thu Bui Optimal Relay Placement for Maximizing Path Diversity in Multipath Overlay Networks. 1544-1549 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.301 conf/globecom/2008 db/conf/globecom/globecom2008.html#BuiZB08