Hui Gao Xin Su Tiejun Lv Taotao Wang Zicheng Wang Physical-Layer Network Coding Aided Two-Way Relay for Transmitted-Reference UWB Networks. 1-6 2011 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2011.6133672 conf/globecom/2011 db/conf/globecom/globecom2011.html#GaoSLWW11