Research Article
Experimental Evaluation of MIMO-OFDM System with Rateless Space-Time Block Code
| | Parameter | Value |
| | Number of Tx antennas, | 2 | | Number of Rx antennas, | 2 | | Number of OFDM symbols | 1000 | | Nominal channel bandwidth | 20 MHz | | Number of data subcarriers, | 48 | | Number of pilot subcarriers, | 4 | | Number of guard subcarriers, | 12 | | Ratio of guard time to useful symbol time, | 0.25 | | Number of used subcarriers, | 52 | | Number of FFT points, | 64 | | Sampling frequency, | 20 MHz | | Subcarrier spacing, | 312.5 kHz | | Used bandwidth, | 16.25 MHz | | Used symbol time, | 3.2 μs | | CP time, | 0.8 μs | | OFDM symbol time, | 4 μs | | Sampling time, | 50 ns | | FFT offset | 4 | | LTS correlation threshold | 0.85 |
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