Figure 5From: Energy-efficient resource allocation for OFDMA-based two-way relay channel with physical-layer network codingDiversity gain with asymmetric rate pair, where r Ì„ 1 + r Ì„ 2 =3.84 Mbit/s, W = 15 kHz, N = 128, L = 1000 m, and K = 1, 2, 5, 20.Back to article page