Research Article
Performance Analysis of MIMO-STBC Systems with Higher Coding Rate Using Adaptive Semiblind Channel Estimation Scheme
Table 1
Comparison of different STBCs for different transmitting antennas and code rates.
| | Design approach | Number of transmitting antennas | Number of symbols per block | Code rate | Complexity |
| | Spatial multiplexing | | | | Less | | Alamouti | 2 | 2 | 1 | Less | | OSTBC | 3, 4 | 3, 4 | 1/2 | Medium | | OSTBC | 3, 4 | 3, 3 | 3/4 | High | | OSTBC | 4 | 6, 8 | 1.3 | Very high | | OSTBC | 3, 4 | 4 | 1.5 | Very high | | OSTBC | 3, 4 | 4, 8 | 2 | Very high | | QOSTBC | 4 | 4 | 1 | High |
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