Research Article
Capacity Evaluation for IEEE 802.16e Mobile WiMAX
Table 1
OFDMA parameters for Mobile WiMAX [
3,
8,
9].
| Parameters | Values |
| System bandwidth (MHz) | 1.25 | 5 | 10 | 20 | 3.5 | 7 | 8.75 | Sampling factor | 28/25 | | | | 8/7 | | | Sampling frequency (, MHz) | 1.4 | 5.6 | 11.2 | 22.4 | 4 | 8 | 10 | Sample time (, nsec) | 714 | 178 | 89 | 44 | 250 | 125 | 100 | FFT size () | 128 | 512 | 1,024 | 2,048 | 512 | 1,024 | 1,024 | Subcarrier spacing (, kHz) | 10.93 | | | | 7.81 | | 9.76 | Useful symbol time () | 91.4 | | | | 128 | | 102.4 | Guard time () | 11.4 | | | | 16 | | 12.8 | OFDMA symbol time () | 102.8 | | | | 144 | | 115.2 |
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