Effects of Implementing Adaptable Channelization in Wi-Fi Networks

Table 1

Number of subcarriers on different channel widths and frame transmission parameters.

Channel width (MHz)	5	7.5	10	12.5	15	17.5	20	22.5	25	27.5	30
Number of subcarriers	12	18	24	30	36	42	48	54	60	66	72
Symbol duration (S)	16	12	8	7	6	5	4	3.5	3	2.5	2
SIFS (S)	40	30	20	17	15	13	10	8	6	5	4
DIFS (S)	50	40	30	20	17	15	13	10	8	6	3
Slot duration (S)	20	20	20	20	20	20	20	20	20	20	20
Guard interval (S)	3.2	2.4	1.6	1.2	1	0.8	0.7	0.6	0.5	0.4	0.3