802.11g and 802.11a Data Rates

• 802.11g Data Rates and Modulation are Identical to 802.11a 

• As Data Rate increases the Modulation becomes more complex and more fragile

Data Rate (Mbps)	Modulation Type	Error Correction
6	BPSK	1/2
9	BPSK	3/4
12	QPSK	1/2
18	QPSK	3/4
24	16-QAM	1/2
36	16-QAM	3/4
48	64-QAM	2/3
54	64-QAM	3/4