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Journal of Engineering and Applied Science

Table 2 EDCA default parameters [20, 22]

From: Effect of service differentiation on QoS in IEEE 802.11e enhanced distributed channel access: a simulation approach

CWmin = 31, CWmax = 1023, AIFS = SIFS + AIFSN × SlotTime

AC

CWmin

CWmax

AIFS

TXOP limit (802.11b)

TXOP limit (802. 11a/g)

0

CWmin

CWmax

7

0

0

1

CWmin

CWmax

3

0

0

2

(CWmin – 1)/2

CWmin

2

6.0 ms

3.0 ms

3

(CWmin – 3)/4

(CWmin – 1)/2

2

3.0 ms

1.5 ms

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