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Table 3 Throughput vs probability of vacant channel (M × N = 4 × 4)

From: Joint cooperative spectrum sensing and MAC protocol design for multi-channel cognitive radio networks

  P j 0
  0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
  Greedy 0.0816 0.1524 0.2316 0.2982 0.3612 0.4142 0.4662 0.5058 0.5461 0.5742
NT Optimal 0.0817 0.1589 0.2321 0.3007 0.3613 0.4183 0.4681 0.5087 0.5488 0.5796
  Gap (%) 0.12 4.09 0.22 0.83 0.03 0.98 0.40 0.57 0.49 0.93