DOCSIS 1.1 Data Rates

DOCSIS 1.1 Data Rates

Upstream Channel Width_____Baud Rate Sym/sec
Modulation Scheme_________Raw Bit Rate Mbit/sec

6.4 MHz_____________________5.12 M Sym/sec
64-QAM ____________________30.72 Mbit/sec
QPSK_______________________10.24 Mbit/sec

3.2 MHz_____________________2.56 M Sym/sec
64-QAM_____________________15.36 Mbit/sec
QPSK_______________________5.12 Mbit/sec

3.2 MHz_____________________2.56 M Sym/sec
16-QAM_____________________10.24 Mbit/sec
QPSK_______________________5.12 Mbit/sec

1.6 MHz_____________________1.28 M Sym/sec
16-QAMQPSK_________________5.12 Mbit/sec
QPSK_______________________2.56 Mbit/sec

800 kHz_____________________640 K Sym/sec
16-QAM_____________________2.56 Mbit/sec
QPSK_______________________1.28 Mbit/sec

400 kHz_____________________320 K Sym/sec
16-QAM_____________________1.28 Mbit/sec
QPSK_______________________0.64 Mbit/sec

200 kHz _____________________160 K Sym/sec
16-QAM_____________________0.64 Mbit/sec
QPSK_______________________0.32 Mbit/sec