Number of UE | 4 |

Number of transmit antennas in each UE | 4 |

Number of receive antennas at BS | 4 |

Modulation formats | QPSK |

Number of total subcarriers | M = 256 |

Number of subcarriers assigned to each user | N = 64 |

Symbol length of QPSK | T |

Cyclic prefix length | 4T/ |

Channel model between each transmit and receive antenna | Equal power 16 paths quasi-static Rayleigh fading channel |

Interval of delay time | T/4 |

Subcarrier assignment | IFDMA |

Channel estimation | Perfect at BS |

FDE | Nulling (MMSE) |

Initial radius setting for SD (SE algorithm) | QRD-M (m = 1) |

Number of iterative feedbacks in the receiver | 0,1,3 # denotes the repetition number of MLD, QRD-M, SD, RTS or STS |