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 AARF_MAC_STATIONS_H

    21 #define AARF_MAC_STATIONS_H

    22 

    23 #include "arf-mac-stations.h"

    24 

    25 namespace ns3 {

    26 

    27 /**

    28  * \brief AARF Rate control algorithm

    29  *

    30  * This class implements the AARF rate control algorithm which

    31  * was initially described in <i>IEEE 802.11 Rate Adaptation:

    32  * A Practical Approach</i>, by M. Lacage, M.H. Manshaei, and 

    33  * T. Turletti.

    34  */

    35 class AarfMacStations : public ArfMacStations {

    36 public:

    37   AarfMacStations (WifiMode defaultTxMode,

    38                    uint32_t minTimerThreshold,

    39                    uint32_t minSuccessThreshold,

    40                    double successK,

    41                    uint32_t maxSuccessThreshold,

    42                    double timerK);

    43   virtual ~AarfMacStations ();

    44 private:

    45   virtual class MacStation *CreateStation (void);

    46   uint32_t m_minTimerThreshold;

    47   uint32_t m_minSuccessThreshold;

    48   double m_successK;

    49   uint32_t m_maxSuccessThreshold;

    50   double m_timerK;

    51 };

    52 

    53 class AarfMacStation : public ArfMacStation

    54 {

    55 public:

    56   AarfMacStation (AarfMacStations *stations,

    57                   uint32_t minTimerThreshold,

    58                   uint32_t minSuccessThreshold,

    59                   double successK,

    60                   uint32_t maxSuccessThreshold,

    61                   double timerK);

    62   virtual ~AarfMacStation ();

    63 

    64 private:

    65   virtual void ReportRecoveryFailure (void);

    66   virtual void ReportFailure (void);

    67 

    68   double m_successK;

    69   uint32_t m_maxSuccessThreshold;

    70   double m_timerK;

    71 };

    72 

    73 } // namespace ns3

    74 

    75 

    76 #endif /* AARF_MAC_STATIONS_H */