Table 2 The mobile WiMAX PHY data rates (Source: WiMAX Forum [35])
From: Dynamic admission control and bandwidth reservation for IEEE 802.16e mobile WiMAX networks
Parameter | Downlink | Uplink | Downlink | Uplink | |
|---|---|---|---|---|---|
System bandwidth | 5 MHz | 10 MHz | |||
FFT size | 512 | 1024 | |||
Null sub-carriers | 92 | 104 | 184 | 184 | |
Pilot sub-carriers | 60 | 136 | 120 | 280 | |
Data sub-carriers | 360 | 272 | 720 | 560 | |
Symbol period | 102.9 μs | ||||
Frame duration | 5 ms | ||||
OFDM symbols/frame | 48 | ||||
Data OFDM symbols | 44 | ||||
Mod | Coding rate | 5 MHz channel | 10 MHz channel | ||
| Â | Â | Downlink rate (Mbps) | Uplink rate (Mbps) | Downlink rate (Mbps) | Uplink rate (Mbps) |
QPSK | 1/2 CTC, 6x | 0.53 | 0.38 | 1.06 | 0.78 |
| Â | 1/2 CTC, 4x | 0.79 | 0.57 | 1.58 | 1.18 |
| Â | 1/2 CTC, 2x | 1.58 | 1.14 | 3.17 | 2.35 |
| Â | 1/2 CTC, 1x | 3.17 | 2.28 | 6.34 | 4.70 |
| Â | 3/4 CTC | 4.75 | 3.43 | 9.50 | 7.06 |
16 QAM | 1/2 CTC | 6.34 | 4.57 | 12.67 | 9.41 |
| Â | 3/4 CTC | 9.50 | 6.85 | 19.01 | 14.11 |
64 QAM | 1/2 CTC | 9.50 | 6.85 | 19.01 | 14.11 |
| Â | 2/3 CTC | 12.67 | 9.14 | 25.34 | 18.82 |
| Â | 3/4 CTC | 14.26 | 10.28 | 28.51 | 21.17 |
| Â | 5/6 CTC | 15.84 | 11.42 | 31.68 | 23.52 |