Figure 3From: Tight performance bounds for two-way opportunistic amplify-and-forward wireless relaying networks with TDBC protocolsComparison of tight upper bound of ergodic capacity versus number of relays between symmetric channels and asymmetric channels d 1 k = 0.3 for TWOR-AFNC-Dir and TWOR-AFNC-Nodir, respectively ( K = 10, p = 3). (a) TWOR-AFNC-Dir systems; (b) TWOR-AFNC-Nodir systems.Back to article page