Fig. 14From: Transmission completion time minimization in digital network coding assisted two-way relay OFDM networksIllustration of the transmission completion time performance regions of the four schemes. In the regions marked with red pentacle, blow lozenge, black circ, and green box, RwNw, RwNo, RoNw, and RoNo achieve the lowest delay among the four methods, respectivelyBack to article page