Revisiting of Channel Access Mechanisms in Mobile Wireless Networks through Exploiting Physical Layer Technologies

Table 2

Data rates supported by 802.11A.

Data rate (Mbps)	SNR threshold (dB)	Modulation scheme	Coding rate
6	6.02	BPSK	1/2
9	7.78	BPSK	3/4
12	9.03	QPSK	1/2
18	10.79	QPSK	3/4
24	17.04	16-QAM	1/2
36	18.80	16-QAM	3/4
48	24.05	64-QAM	1/2
54	24.56	64-QAM	3/4