From: Orthogonal beamforming using Gram-Schmidt orthogonalization for multi-user MIMO downlink system

The number of operators | |||
---|---|---|---|

Generation of the vectors | Multiplications |
(N_{
t
} - 1)!8N_{
t
} + (N_{
t
} + 1)
| 197 |

Square roots | 1 | 1 | |

Selection of the BF vector | Multiplications |
(N_{
t
} - 1)(4N_{
t
} + 2)
| 54 |

Square roots |
(N_{
t
} - 1)
| 3 | |

Total | Multiplications | 251 | |

Square roots | 4 |