Lawrence Ong Sarah J. Johnson Mehul Motani Optimal schedules for the D-node half duplex phase fading MRC. 1006-1010 2009 ISIT http://doi.ieeecomputersociety.org/10.1109/ISIT.2009.5206072 conf/isit/2009 db/conf/isit/isit2009.html#OngJM09