Fig. 10From: Performance analysis of feedback-free collision resolution NDMA protocolEnergy efficiency (packets/slot/Watt) of FF-NDMA and ideal H-NDMA (dretx=0) vs. SNR γ(dB) for G=10 packets/slot. Antenna configurations (M×N): 1×1, 1×2, 2×2, and 2×4Back to article page