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Table 3 System parameter values for three different PHYs as specified by IEEE 802.11 standard [19]

From: A QoS guaranteeing MAC layer protocol for the "underdog" traffic

PHY

Slot time (μs)

CWmin

CWmax

FHSS

50

16

1024

DSSS

20

32

1024

IR

8 μ

64

1024