| Applicable Versions | NetSim Academic | NetSim Standard | NetSim Pro |
Data rate in 802.22 depends on the following parameters
· No. of bits per symbol
· Coding rate
· Cyclic prefix
· Symbol duration
Data rate in CR is calculated as
Data Rate = Bit count in one symbol/Symbol duration
Bit count in one symbol = subcarrier count * no. of bits * coding rate
= 1440*2*(1/2) where Subcarrier count = 1440 // Ref Table 201 page 310 IEEE802.22-2011
= 1440
No. of bits is based on modulation technique (QPSK default)
| Modulation | No. of bits per symbol |
| BPSK | 1 |
| QPSK | 2 |
| 16-QAM | 4 |
| 64-QAM | 6 |
Coding rate = ½ (default)
| Coding Rate | Data bits | Redundant bits (n-k) |
| 1/2 | 1 | 1 |
| 2/3 | 2 | 1 |
| 3/4 | 3 | 1 |
| 4/5 | 4 | 1 |
Cyclic prefix = 1/16 (default)
| Cyclic prefix |
| 1/4 |
| 1/8K |
| 1/16 |
| 1/64 |
Symbol duration = sub carrier spacing/cyclic prefix = 317.38
Data rate = bit count in one symbol/symbol duration
= 1440/317.38
= 4.53 Mbps
Also refer: Network Simulator, NetSim, Emulator, 5G, Military Communication, Vehicular networks (tetcos.com)