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Table 3 Optimal SF and CR settings in different cases

From: Throughput of distributed queueing-based LoRa for long-distance communication

α=2.7
  1 5 10 15 20 25
20 (11,4/5) None None None None None
30 (8,4/5) None None None None None
40 (7,4/5) (11,4/5) None None None None
50 (7,4/5) (7,4/5) (10,4/5) (12,4/5) None None
60 (7,4/5) (7,4/5) (8,4/5) (10,4/5) (11,4/5) (12,4/5)
α=4
  0.1 0.5 0.6 0.7 0.8 1
20 (7,4/5) (8,4/5) (9,4/5) (10,4/5) (11,4/5) (12,4/5)
30 (7,4/5) (8,4/5) (9,4/5) (10,4/5) (11,4/5) (12,4/5)