1 /* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

     2 /*

     3  * Copyright (c) 2005,2006 INRIA

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License version 2 as 

     7  * published by the Free Software Foundation;

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    17  *

    18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

    19  */

    20 #ifndef YANS_ERROR_RATE_MODEL_H

    21 #define YANS_ERROR_RATE_MODEL_H

    22 

    23 #include <stdint.h>

    24 #include "wifi-mode.h"

    25 #include "error-rate-model.h"

    26 

    27 namespace ns3 {

    28 

    29 class YansErrorRateModel : public ErrorRateModel

    30 {

    31 public:

    32   static TypeId GetTypeId (void);

    33 

    34   YansErrorRateModel ();

    35 

    36   virtual double GetChunkSuccessRate (WifiMode mode, double snr, uint32_t nbits) const;

    37 

    38 private:

    39   double Log2 (double val) const;

    40   double GetBpskBer (double snr, uint32_t signalSpread, uint32_t phyRate) const;

    41   double GetQamBer (double snr, unsigned int m, uint32_t signalSpread, uint32_t phyRate) const;

    42   uint32_t Factorial (uint32_t k) const;

    43   double Binomial (uint32_t k, double p, uint32_t n) const;

    44   double CalculatePdOdd (double ber, unsigned int d) const;

    45   double CalculatePdEven (double ber, unsigned int d) const;

    46   double CalculatePd (double ber, unsigned int d) const;

    47   double GetFecBpskBer (double snr, double nbits, 

    48                         uint32_t signalSpread, uint32_t phyRate,

    49                         uint32_t dFree, uint32_t adFree) const;

    50   double GetFecQamBer (double snr, uint32_t nbits, 

    51                        uint32_t signalSpread,

    52                        uint32_t phyRate,

    53                        uint32_t m, uint32_t dfree,

    54                        uint32_t adFree, uint32_t adFreePlusOne) const;

    55 };

    56 

    57 

    58 } // namespace ns3

    59 

    60 #endif /* YANS_ERROR_RATE_MODEL_H */