Research Article
A Hybrid Multiuser Detector Based on MMSE and AFSA for TDRS System Forward Link
Table 1
Simulation parameters.
| | Parameter | Value |
| | Communication link | Forward link | | Multiple access | CDMA | | Modulation | QPSK | | Spreading codes | Gold sequences | | Length of spreading codes | 1023 | | Communication channel | AWGN | | Number of tested information bits | 1,000,000 | | Number of artificial fishes | 3 | | Visual | 4 | | try_number | 3 | | Number of iterations | 5 |
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