src/devices/wifi/yans-wifi-phy.cc
author Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Tue, 04 Nov 2008 14:06:34 +0100
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new wifi API
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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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 * Copyright (c) 2005,2006 INRIA
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as 
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 * published by the Free Software Foundation;
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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 */
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#include "yans-wifi-phy.h"
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#include "yans-wifi-channel.h"
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#include "wifi-mode.h"
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#include "wifi-preamble.h"
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#include "wifi-phy-state-helper.h"
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#include "error-rate-model.h"
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#include "ns3/simulator.h"
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#include "ns3/packet.h"
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#include "ns3/random-variable.h"
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#include "ns3/assert.h"
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#include "ns3/log.h"
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#include "ns3/double.h"
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#include "ns3/uinteger.h"
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#include "ns3/enum.h"
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#include "ns3/pointer.h"
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#include "ns3/net-device.h"
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#include <math.h>
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NS_LOG_COMPONENT_DEFINE ("YansWifiPhy");
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namespace ns3 {
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NS_OBJECT_ENSURE_REGISTERED (YansWifiPhy);
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TypeId 
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YansWifiPhy::GetTypeId (void)
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{
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  static TypeId tid = TypeId ("ns3::YansWifiPhy")
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    .SetParent<WifiPhy> ()
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    .AddConstructor<YansWifiPhy> ()
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    .AddAttribute ("EnergyDetectionThreshold",
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                   "The energy of a received signal should be higher than "
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                   "this threshold (dbm) to allow the PHY layer to detect the signal.",
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                   DoubleValue (-140.0),
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                   MakeDoubleAccessor (&YansWifiPhy::SetEdThreshold,
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                                       &YansWifiPhy::GetEdThreshold),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("CcaMode1Threshold",
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                   "The energy of a received signal should be higher than "
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                   "this threshold (dbm) to allow the PHY layer to declare CCA BUSY state",
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                   DoubleValue (-140.0),
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                   MakeDoubleAccessor (&YansWifiPhy::SetCcaMode1Threshold,
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                                       &YansWifiPhy::GetCcaMode1Threshold),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("TxGain",
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                   "Transmission gain (dB).",
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                   DoubleValue (1.0),
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                   MakeDoubleAccessor (&YansWifiPhy::SetTxGain,
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                                       &YansWifiPhy::GetTxGain),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("RxGain",
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                   "Reception gain (dB).",
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                   DoubleValue (1.0),
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                   MakeDoubleAccessor (&YansWifiPhy::SetRxGain,
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                                       &YansWifiPhy::GetRxGain),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("TxPowerLevels",
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                   "Number of transmission power levels available between "
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                   "TxPowerBase and TxPowerEnd included.",
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                   UintegerValue (1),
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                   MakeUintegerAccessor (&YansWifiPhy::m_nTxPower),
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                   MakeUintegerChecker<uint32_t> ())
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    .AddAttribute ("TxPowerEnd",
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                   "Maximum available transmission level (dbm).",
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                   DoubleValue (16.0206),
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                   MakeDoubleAccessor (&YansWifiPhy::SetTxPowerEnd, 
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                                       &YansWifiPhy::GetTxPowerEnd),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("TxPowerStart",
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                   "Minimum available transmission level (dbm).",
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                   DoubleValue (16.0206),
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                   MakeDoubleAccessor (&YansWifiPhy::SetTxPowerStart, 
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                                       &YansWifiPhy::GetTxPowerStart),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("RxNoise",
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                   "Ratio of energy lost by receiver (dB).",
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                   DoubleValue (7),
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                   MakeDoubleAccessor (&YansWifiPhy::SetRxNoise,
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                                       &YansWifiPhy::GetRxNoise),
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                   MakeDoubleChecker<double> ())
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    .AddAttribute ("Standard", "The standard chosen configures a set of transmission modes"
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                   " and some PHY-specific constants.",
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                   EnumValue (WIFI_PHY_STANDARD_80211a),
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                   MakeEnumAccessor (&YansWifiPhy::SetStandard),
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                   MakeEnumChecker (WIFI_PHY_STANDARD_80211a, "802.11a",
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                                    WIFI_PHY_STANDARD_holland, "holland"))
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    .AddAttribute ("State", "The state of the PHY layer",
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                   PointerValue (),
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                   MakePointerAccessor (&YansWifiPhy::m_state),
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                   MakePointerChecker<WifiPhyStateHelper> ())
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    ;
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  return tid;
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}
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YansWifiPhy::YansWifiPhy ()
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 : m_endSyncEvent (),
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   m_random (0.0, 1.0)
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{
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  NS_LOG_FUNCTION (this);
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  m_state = CreateObject<WifiPhyStateHelper> ();
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}
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YansWifiPhy::~YansWifiPhy ()
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{
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  NS_LOG_FUNCTION (this);
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}
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void
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YansWifiPhy::DoDispose (void)
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{
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  NS_LOG_FUNCTION (this);
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  m_channel = 0;
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  m_modes.clear ();
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  m_device = 0;
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}
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void
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YansWifiPhy::SetStandard (enum WifiPhyStandard standard)
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{
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  NS_LOG_FUNCTION (this << standard);
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  m_standard = standard;
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  switch (standard) {
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  case WIFI_PHY_STANDARD_80211a:
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    Configure80211a ();
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    break;
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  case WIFI_PHY_STANDARD_holland:
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    ConfigureHolland ();
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    break;
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  default:
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    NS_ASSERT (false);
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    break;
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  }
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}
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void 
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YansWifiPhy::SetRxNoise (double db)
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{
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  NS_LOG_FUNCTION (this << db);
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  m_interference.SetNoiseFloorW (DbToRatio (db));
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}
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void 
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YansWifiPhy::SetTxPowerStart (double start)
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{
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  NS_LOG_FUNCTION (this << start);
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  m_txPowerBaseDbm = start;
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}
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void 
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YansWifiPhy::SetTxPowerEnd (double end)
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{
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  NS_LOG_FUNCTION (this << end);
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  m_txPowerEndDbm = end;
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}
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void 
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YansWifiPhy::SetNTxPower (uint32_t n)
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{
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  NS_LOG_FUNCTION (this << n);
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  m_nTxPower = n;
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}
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void 
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YansWifiPhy::SetTxGain (double gain)
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{
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  NS_LOG_FUNCTION (this << gain);
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  m_txGainDb = gain;
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}
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void 
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YansWifiPhy::SetRxGain (double gain)
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{
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  NS_LOG_FUNCTION (this << gain);
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  m_rxGainDb = gain;
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}
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void 
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YansWifiPhy::SetEdThreshold (double threshold)
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{
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  NS_LOG_FUNCTION (this << threshold);
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  m_edThresholdW = DbmToW (threshold);
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}
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void 
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YansWifiPhy::SetCcaMode1Threshold (double threshold)
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{
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  NS_LOG_FUNCTION (this << threshold);
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  m_ccaMode1ThresholdW = DbmToW (threshold);
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}
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void 
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YansWifiPhy::SetErrorRateModel (Ptr<ErrorRateModel> rate)
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{
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  m_interference.SetErrorRateModel (rate);
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}
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void 
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YansWifiPhy::SetDevice (Ptr<Object> device)
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{
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  m_device = device;
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}
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void 
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YansWifiPhy::SetMobility (Ptr<Object> mobility)
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{
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  m_mobility = mobility;
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}
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double 
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YansWifiPhy::GetRxNoise (void) const
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{
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  return RatioToDb (m_interference.GetNoiseFloorW ());
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}
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double 
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YansWifiPhy::GetTxPowerStart (void) const
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{
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  return m_txPowerBaseDbm;
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}
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double 
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YansWifiPhy::GetTxPowerEnd (void) const
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{
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  return m_txPowerEndDbm;
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}
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double 
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   236
YansWifiPhy::GetTxGain (void) const
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diff changeset
   237
{
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   238
  return m_txGainDb;
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diff changeset
   239
}
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   240
double 
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a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
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diff changeset
   241
YansWifiPhy::GetRxGain (void) const
2524
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diff changeset
   242
{
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   243
  return m_rxGainDb;
2155
194dd8bdcf56 add WifiPhy::GetDevice
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diff changeset
   244
}
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diff changeset
   245
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diff changeset
   246
double 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
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diff changeset
   247
YansWifiPhy::GetEdThreshold (void) const
2055
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diff changeset
   248
{
2524
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   249
  return WToDbm (m_edThresholdW);
2055
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diff changeset
   250
}
1889
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   251
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   252
double 
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
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diff changeset
   253
YansWifiPhy::GetCcaMode1Threshold (void) const
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diff changeset
   254
{
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
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parents: 3902
diff changeset
   255
  return WToDbm (m_ccaMode1ThresholdW);
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
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diff changeset
   256
}
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diff changeset
   257
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff changeset
   258
Ptr<ErrorRateModel> 
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff changeset
   259
YansWifiPhy::GetErrorRateModel (void) const
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
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parents: 3902
diff changeset
   260
{
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff changeset
   261
  return m_interference.GetErrorRateModel ();
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parents: 3902
diff changeset
   262
}
3912
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diff changeset
   263
Ptr<Object> 
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   264
YansWifiPhy::GetDevice (void) const
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   265
{
4d1a61f80745 new wifi API
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   266
  return m_device;
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diff changeset
   267
}
4d1a61f80745 new wifi API
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diff changeset
   268
Ptr<Object> 
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   269
YansWifiPhy::GetMobility (void)
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diff changeset
   270
{
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diff changeset
   271
  return m_mobility;
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diff changeset
   272
}
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
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diff changeset
   273
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff changeset
   274
double 
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   275
YansWifiPhy::CalculateSnr (WifiMode txMode, double ber) const
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   276
{
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   277
  return m_interference.GetErrorRateModel ()->CalculateSnr (txMode, ber);
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   278
}
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   279
2524
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   280
Ptr<WifiChannel> 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   281
YansWifiPhy::GetChannel (void) const
2524
db72c0e7743e port wifi model to Attributes
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diff changeset
   282
{
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   283
  return m_channel;
db72c0e7743e port wifi model to Attributes
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parents: 2503
diff changeset
   284
}
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   285
void 
3893
94f771c1373a split WifiChannel in WifiChannel + YansWifiChannel
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3888
diff changeset
   286
YansWifiPhy::SetChannel (Ptr<YansWifiChannel> channel)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   287
{
1891
add6fb8761f3 use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1890
diff changeset
   288
  m_channel = channel;
3912
4d1a61f80745 new wifi API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3906
diff changeset
   289
  m_channel->Add (this);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   290
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   291
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   292
void 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   293
YansWifiPhy::SetReceiveOkCallback (SyncOkCallback callback)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   294
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   295
  m_state->SetReceiveOkCallback (callback);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   296
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   297
void 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   298
YansWifiPhy::SetReceiveErrorCallback (SyncErrorCallback callback)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   299
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   300
  m_state->SetReceiveErrorCallback (callback);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   301
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   302
void 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   303
YansWifiPhy::StartReceivePacket (Ptr<Packet> packet, 
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   304
                                 double rxPowerDbm,
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   305
                                 WifiMode txMode,
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   306
                                 enum WifiPreamble preamble)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   307
{
2985
fa0747c4ad5e use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2782
diff changeset
   308
  NS_LOG_FUNCTION (this << packet << rxPowerDbm << txMode << preamble);
2071
122c95ffccdd use dB instead of dbm where appropriate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2056
diff changeset
   309
  rxPowerDbm += m_rxGainDb;
1988
210701141b08 convert to and from dbms when needed
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1979
diff changeset
   310
  double rxPowerW = DbmToW (rxPowerDbm);
2159
20f882e85b4a port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2155
diff changeset
   311
  Time rxDuration = CalculateTxDuration (packet->GetSize (), txMode, preamble);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   312
  Time endRx = Simulator::Now () + rxDuration;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   313
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   314
  Ptr<InterferenceHelper::Event> event;
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   315
  event = m_interference.Add (packet->GetSize (), 
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   316
                              txMode,
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   317
                              preamble,
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   318
                              rxDuration,
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   319
                              rxPowerW);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   320
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   321
  switch (m_state->GetState ()) {
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   322
  case YansWifiPhy::SYNC:
1979
d535a38b7fc4 convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1978
diff changeset
   323
    NS_LOG_DEBUG ("drop packet because already in Sync (power="<<
d535a38b7fc4 convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1978
diff changeset
   324
                  rxPowerW<<"W)");
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   325
    if (endRx > Simulator::Now () + m_state->GetDelayUntilIdle ()) 
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   326
      {
3897
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   327
        // that packet will be noise _after_ the reception of the
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   328
        // currently-received packet.
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   329
        goto maybeCcaBusy;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   330
      }
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   331
    break;
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   332
  case YansWifiPhy::TX:
1979
d535a38b7fc4 convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1978
diff changeset
   333
    NS_LOG_DEBUG ("drop packet because already in Tx (power="<<
d535a38b7fc4 convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1978
diff changeset
   334
                  rxPowerW<<"W)");
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   335
    if (endRx > Simulator::Now () + m_state->GetDelayUntilIdle ()) 
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   336
      {
3897
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   337
        // that packet will be noise _after_ the transmission of the
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   338
        // currently-transmitted packet.
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   339
        goto maybeCcaBusy;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   340
      }
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   341
    break;
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   342
  case YansWifiPhy::CCA_BUSY:
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   343
  case YansWifiPhy::IDLE:
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   344
    if (rxPowerW > m_edThresholdW) 
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   345
      {
2150
e4aff46fe6c5 add some info logs, improve snr vs ber curve output, linearize the ber calculations.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2139
diff changeset
   346
        NS_LOG_DEBUG ("sync (power="<<rxPowerW<<"W)");
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   347
        // sync to signal
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   348
        m_state->SwitchToSync (rxDuration);
1974
0d6b3bead74a replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1964
diff changeset
   349
        NS_ASSERT (m_endSyncEvent.IsExpired ());
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   350
        m_endSyncEvent = Simulator::Schedule (rxDuration, &YansWifiPhy::EndSync, this, 
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   351
                                              packet,
1919
46ed9ed9dac0 remove extra WifiPhy::SendPacket argument. Add header mode support
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1909
diff changeset
   352
                                              event);
2071
122c95ffccdd use dB instead of dbm where appropriate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2056
diff changeset
   353
      }
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   354
    else 
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   355
      {
1979
d535a38b7fc4 convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1978
diff changeset
   356
        NS_LOG_DEBUG ("drop packet because signal power too Small ("<<
d535a38b7fc4 convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1978
diff changeset
   357
                      rxPowerW<<"<"<<m_edThresholdW<<")");
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   358
        goto maybeCcaBusy;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   359
      }
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   360
    break;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   361
  }
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   362
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   363
  return;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   364
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   365
 maybeCcaBusy:
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   366
  // We are here because we have received the first bit of a packet and we are
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   367
  // not going to be able to synchronize on it
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   368
  // In this model, CCA becomes busy when the aggregation of all signals as
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   369
  // tracked by the InterferenceHelper class is higher than the CcaBusyThreshold
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   370
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   371
  Time delayUntilCcaEnd = m_interference.GetEnergyDuration (m_ccaMode1ThresholdW);
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   372
  if (!delayUntilCcaEnd.IsZero ())
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   373
    {
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   374
      m_state->SwitchMaybeToCcaBusy (delayUntilCcaEnd);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   375
    }
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   376
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   377
void 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   378
YansWifiPhy::SendPacket (Ptr<const Packet> packet, WifiMode txMode, WifiPreamble preamble, uint8_t txPower)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   379
{
3882
05de3d432860 print the tx power, not a random character
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3880
diff changeset
   380
  NS_LOG_FUNCTION (this << packet << txMode << preamble << (uint32_t)txPower);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   381
  /* Transmission can happen if:
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   382
   *  - we are syncing on a packet. It is the responsability of the
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   383
   *    MAC layer to avoid doing this but the PHY does nothing to 
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   384
   *    prevent it.
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   385
   *  - we are idle
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   386
   */
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   387
  NS_ASSERT (!m_state->IsStateTx ());
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   388
2159
20f882e85b4a port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2155
diff changeset
   389
  Time txDuration = CalculateTxDuration (packet->GetSize (), txMode, preamble);
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   390
  if (m_state->IsStateSync ())
3897
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   391
    {
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   392
      m_endSyncEvent.Cancel ();
44645cec42f2 split state management in a helper class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3893
diff changeset
   393
    }
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   394
  m_state->SwitchToTx (txDuration, packet, txMode, preamble, txPower);
2524
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   395
  m_channel->Send (this, packet, GetPowerDbm (txPower) + m_txGainDb, txMode, preamble);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   396
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   397
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   398
uint32_t 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   399
YansWifiPhy::GetNModes (void) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   400
{
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   401
  return m_modes.size ();
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   402
}
1891
add6fb8761f3 use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1890
diff changeset
   403
WifiMode 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   404
YansWifiPhy::GetMode (uint32_t mode) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   405
{
1891
add6fb8761f3 use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1890
diff changeset
   406
  return m_modes[mode];
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   407
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   408
uint32_t 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   409
YansWifiPhy::GetNTxPower (void) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   410
{
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   411
  return m_nTxPower;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   412
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   413
2083
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   414
void
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   415
YansWifiPhy::Configure80211a (void)
2083
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   416
{
2985
fa0747c4ad5e use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2782
diff changeset
   417
  NS_LOG_FUNCTION (this);
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   418
  m_interference.Configure80211aParameters ();
2083
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   419
  m_modes.push_back (g_6mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   420
  m_modes.push_back (g_9mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   421
  m_modes.push_back (g_12mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   422
  m_modes.push_back (g_18mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   423
  m_modes.push_back (g_24mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   424
  m_modes.push_back (g_36mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   425
  m_modes.push_back (g_48mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   426
  m_modes.push_back (g_54mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   427
}
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   428
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   429
void
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   430
YansWifiPhy::ConfigureHolland (void)
2083
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   431
{
2985
fa0747c4ad5e use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2782
diff changeset
   432
  NS_LOG_FUNCTION (this);
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   433
  m_interference.Configure80211aParameters ();
2083
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   434
  m_modes.push_back (g_6mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   435
  m_modes.push_back (g_12mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   436
  m_modes.push_back (g_18mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   437
  m_modes.push_back (g_36mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   438
  m_modes.push_back (g_54mba);
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   439
}
c7541b84285e add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2077
diff changeset
   440
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   441
void 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   442
YansWifiPhy::RegisterListener (WifiPhyListener *listener)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   443
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   444
  m_state->RegisterListener (listener);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   445
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   446
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   447
bool 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   448
YansWifiPhy::IsStateCcaBusy (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   449
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   450
  return m_state->IsStateCcaBusy ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   451
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   452
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   453
bool 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   454
YansWifiPhy::IsStateIdle (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   455
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   456
  return m_state->IsStateIdle ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   457
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   458
bool 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   459
YansWifiPhy::IsStateBusy (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   460
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   461
  return m_state->IsStateBusy ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   462
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   463
bool 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   464
YansWifiPhy::IsStateSync (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   465
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   466
  return m_state->IsStateSync ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   467
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   468
bool 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   469
YansWifiPhy::IsStateTx (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   470
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   471
  return m_state->IsStateTx ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   472
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   473
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   474
Time
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   475
YansWifiPhy::GetStateDuration (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   476
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   477
  return m_state->GetStateDuration ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   478
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   479
Time
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   480
YansWifiPhy::GetDelayUntilIdle (void)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   481
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   482
  return m_state->GetDelayUntilIdle ();
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   483
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   484
2139
a2cf93c741c3 add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2083
diff changeset
   485
Time 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   486
YansWifiPhy::GetLastRxStartTime (void) const
2139
a2cf93c741c3 add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2083
diff changeset
   487
{
3900
1687492ff059 re-enable tracing of wifi phy state.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3897
diff changeset
   488
  return m_state->GetLastRxStartTime ();
2139
a2cf93c741c3 add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2083
diff changeset
   489
}
a2cf93c741c3 add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2083
diff changeset
   490
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   491
Time 
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   492
YansWifiPhy::CalculateTxDuration (uint32_t size, WifiMode payloadMode, enum WifiPreamble preamble) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   493
{
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   494
  return m_interference.CalculateTxDuration (size, payloadMode, preamble);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   495
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   496
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   497
double 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   498
YansWifiPhy::DbToRatio (double dB) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   499
{
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   500
  double ratio = pow(10.0,dB/10.0);
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   501
  return ratio;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   502
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   503
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   504
double 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   505
YansWifiPhy::DbmToW (double dBm) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   506
{
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   507
  double mW = pow(10.0,dBm/10.0);
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   508
  return mW / 1000.0;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   509
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   510
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   511
double
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   512
YansWifiPhy::WToDbm (double w) const
2524
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   513
{
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   514
  return 10.0 * log10(w * 1000.0);
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   515
}
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   516
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   517
double
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   518
YansWifiPhy::RatioToDb (double ratio) const
2524
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   519
{
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   520
  return 10.0 * log10(ratio);
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   521
}
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   522
db72c0e7743e port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2503
diff changeset
   523
double
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   524
YansWifiPhy::GetEdThresholdW (void) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   525
{
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   526
  return m_edThresholdW;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   527
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   528
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   529
double 
3888
a15618dcd0eb rename WifiPhy to YansWifiPhy and add WifiPhy abstract base class.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3882
diff changeset
   530
YansWifiPhy::GetPowerDbm (uint8_t power) const
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   531
{
1974
0d6b3bead74a replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1964
diff changeset
   532
  NS_ASSERT (m_txPowerBaseDbm <= m_txPowerEndDbm);
0d6b3bead74a replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1964
diff changeset
   533
  NS_ASSERT (m_nTxPower > 0);
2782
4c813b3ea1c3 tx power shoudl reflect the user-selected power level, not be always the power level zero.
Providence SALUMU MUNGA <Providence.Salumu_Munga@it-sudparis.eu>
parents: 2659
diff changeset
   534
  double dbm = m_txPowerBaseDbm + power * (m_txPowerEndDbm - m_txPowerBaseDbm) / m_nTxPower;
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   535
  return dbm;
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   536
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   537
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   538
void
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   539
YansWifiPhy::EndSync (Ptr<Packet> packet, Ptr<InterferenceHelper::Event> event)
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   540
{
2985
fa0747c4ad5e use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2782
diff changeset
   541
  NS_LOG_FUNCTION (this << packet << event);
1974
0d6b3bead74a replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1964
diff changeset
   542
  NS_ASSERT (IsStateSync ());
0d6b3bead74a replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1964
diff changeset
   543
  NS_ASSERT (event->GetEndTime () == Simulator::Now ());
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   544
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   545
  struct InterferenceHelper::SnrPer snrPer;
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   546
  snrPer = m_interference.CalculateSnrPer (event);
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   547
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   548
  NS_LOG_DEBUG ("mode="<<(event->GetPayloadMode ().GetDataRate ())<<
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   549
                ", snr="<<snrPer.snr<<", per="<<snrPer.per<<", size="<<packet->GetSize ());
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   550
  
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   551
  if (m_random.GetValue () > snrPer.per) 
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   552
    {
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   553
      m_state->SwitchFromSyncEndOk (packet, snrPer.snr, event->GetPayloadMode (), event->GetPreambleType ());
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   554
    } 
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   555
  else 
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   556
    {
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   557
      /* failure. */
3905
99c9346b5d71 split interference calculation from YansWifiPhy. Move them to InterferenceHelper
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3902
diff changeset
   558
      m_state->SwitchFromSyncEndError (packet, snrPer.snr);
1889
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   559
    }
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   560
}
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   561
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   562
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   563
41589561e4a7 WifiPhy class
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   564
1977
4303409f3d8e remove uneeded trailing ';'
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1974
diff changeset
   565
} // namespace ns3