/usr/include/ns3.27/ns3/ideal-wifi-manager.h is in libns3-dev 3.27+dfsg-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006 INRIA
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#ifndef IDEAL_WIFI_MANAGER_H
#define IDEAL_WIFI_MANAGER_H
#include "ns3/traced-value.h"
#include "wifi-remote-station-manager.h"
namespace ns3 {
/**
* \brief Ideal rate control algorithm
* \ingroup wifi
*
* This class implements an 'ideal' rate control algorithm
* similar to RBAR in spirit (see <i>A rate-adaptive MAC
* protocol for multihop wireless networks</i> by G. Holland,
* N. Vaidya, and P. Bahl.): every station keeps track of the
* snr of every packet received and sends back this snr to the
* original transmitter by an out-of-band mechanism. Each
* transmitter keeps track of the last snr sent back by a receiver
* and uses it to pick a transmission mode based on a set
* of snr thresholds built from a target ber and transmission
* mode-specific snr/ber curves.
*/
class IdealWifiManager : public WifiRemoteStationManager
{
public:
/**
* \brief Get the type ID.
* \return the object TypeId
*/
static TypeId GetTypeId (void);
IdealWifiManager ();
virtual ~IdealWifiManager ();
void SetupPhy (const Ptr<WifiPhy> phy);
private:
//overriden from base class
void DoInitialize (void);
WifiRemoteStation* DoCreateStation (void) const;
void DoReportRxOk (WifiRemoteStation *station,
double rxSnr, WifiMode txMode);
void DoReportRtsFailed (WifiRemoteStation *station);
void DoReportDataFailed (WifiRemoteStation *station);
void DoReportRtsOk (WifiRemoteStation *station,
double ctsSnr, WifiMode ctsMode, double rtsSnr);
void DoReportDataOk (WifiRemoteStation *station,
double ackSnr, WifiMode ackMode, double dataSnr);
void DoReportAmpduTxStatus (WifiRemoteStation *station,
uint8_t nSuccessfulMpdus, uint8_t nFailedMpdus,
double rxSnr, double dataSnr);
void DoReportFinalRtsFailed (WifiRemoteStation *station);
void DoReportFinalDataFailed (WifiRemoteStation *station);
WifiTxVector DoGetDataTxVector (WifiRemoteStation *station);
WifiTxVector DoGetRtsTxVector (WifiRemoteStation *station);
bool IsLowLatency (void) const;
/**
* Return the minimum SNR needed to successfully transmit
* data with this WifiTxVector at the specified BER.
*
* \param txVector WifiTxVector (containing valid mode, width, and nss)
*
* \return the minimum SNR for the given WifiTxVector
*/
double GetSnrThreshold (WifiTxVector txVector) const;
/**
* Adds a pair of WifiTxVector and the minimum SNR for that given vector
* to the list.
*
* \param txVector the WifiTxVector storing mode, channel width, and nss
* \param snr the minimum SNR for the given txVector
*/
void AddSnrThreshold (WifiTxVector txVector, double snr);
/**
* Convenience function for selecting a channel width for legacy mode
* \param mode non-(V)HT WifiMode
* \return the channel width (MHz) for the selected mode
*/
uint8_t GetChannelWidthForMode (WifiMode mode) const;
/**
* A vector of <snr, WifiTxVector> pair holding the minimum SNR for the
* WifiTxVector
*/
typedef std::vector<std::pair<double, WifiTxVector> > Thresholds;
double m_ber; //!< The maximum Bit Error Rate acceptable at any transmission mode
Thresholds m_thresholds; //!< List of WifiTxVector and the minimum SNR pair
TracedValue<uint64_t> m_currentRate; //!< Trace rate changes
};
} //namespace ns3
#endif /* IDEAL_WIFI_MANAGER_H */
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