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Table 4 Effects of varying aCWmin, aCWmax on the RT traffic, for 20 RT stations—MSP = 5 ms.

From: Assessment of the IEEE 802.11e EDCA Protocol Limitations when Dealing with Real-Time Communication

aCWmin aCWmax Packet loss rate (%) Average packet delay (ms) Average queue size (packets)
1 3 34.27 4.28 0.56
1 7 12.37 3.18 1.11
3 7 10.37 3.06 1.05
1 15 3.85 2.97 1.35
3 15 2.57 2.83 1.40
7 15 1.72 2.70 1.48
1 31 1.55 3.06 1.50
3 31 0.73 2.89 1.42
7 31 0.28 2.68 1.41
15 31 0.11 2.53 1.28
    
511 1023 0.56 49.44 16.17