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Table 1 A summary of the IEEE 802.11 data rates [4]

From: CogTRA: a deployable mechanism for cognitive transmission rate adaptation in IEEE 802.11 networks

Rate (Mbps)

IEEE 802.11 standards

Spread spectrum

Digital modulation

Coding rate

Bits per symbol

Symbols per second

1

b/g

DSSS-BK

BPSK

1/11

1

\(11\times 10^6\)

2

b/g

DSSS-BK

QPSK

1/11

2

\(11\times 10^6\)

5.5

b/g

DSSS-CCK

QPSK

4/8

1

\(11\times 10^6\)

11

b/g

DSSS-CCK

QPSK

4/8

2

\(11\times 10^6\)

6

a/g

OFDM

BPSK

1/2

1

\(12\times 10^6\)

9

a/g

OFDM

BPSK

3/4

1

\(12\times 10^6\)

12

a/g

OFDM

QPSK

1/2

2

\(12\times 10^6\)

18

a/g

OFDM

QPSK

3/4

2

\(12\times 10^6\)

24

a/g

OFDM

QAM-16

1/2

4

\(12\times 10^6\)

36

a/g

OFDM

QAM-16

3/4

4

\(12\times 10^6\)

48

a/g

OFDM

QAM-64

2/3

6

\(12\times 10^6\)

54

a/g

OFDM

QAM-64

3/4

6

\(12\times 10^6\)