author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Mon, 21 Apr 2008 09:04:08 -0700 | |
changeset 2989 | b7eb3929096c |
parent 2985 | fa0747c4ad5e |
parent 2965 | 4b28e9740e3b |
child 3212 | 0c00342d6a73 |
permissions | -rw-r--r-- |
1889 | 1 |
/* -*- 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 "wifi-phy.h" |
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#include "wifi-mode.h" |
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#include "wifi-channel.h" |
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#include "wifi-preamble.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/trace-source-accessor.h" |
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#include <math.h> |
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||
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NS_LOG_COMPONENT_DEFINE ("WifiPhy"); |
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namespace ns3 { |
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// Define all the WifiMode needed for 802.11a |
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static WifiMode g_6mba = WifiModeFactory::CreateBpsk ("wifia-6mbs", |
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true, |
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20000000, 6000000, 12000000); |
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static WifiMode g_9mba = WifiModeFactory::CreateBpsk ("wifia-9mbs", |
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false, |
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20000000, 9000000, 12000000); |
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// XXX explain why Bpsk rather than Qpsk |
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static WifiMode g_12mba = WifiModeFactory::CreateBpsk ("wifia-12mbs", |
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true, |
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20000000, 12000000, 24000000); |
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static WifiMode g_18mba = WifiModeFactory::CreateBpsk ("wifia-18mbs", |
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false, |
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20000000, 18000000, 24000000); |
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static WifiMode g_24mba = WifiModeFactory::CreateBpsk ("wifia-24mbs", |
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true, |
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20000000, 24000000, 48000000); |
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static WifiMode g_36mba = WifiModeFactory::CreateBpsk ("wifia-36mbs", |
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false, |
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20000000, 36000000, 48000000); |
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static WifiMode g_48mba = WifiModeFactory::CreateBpsk ("wifia-48mbs", |
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false, |
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20000000, 48000000, 72000000); |
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static WifiMode g_54mba = WifiModeFactory::CreateBpsk ("wifia-54mbs", |
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false, |
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20000000, 54000000, 72000000); |
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/**************************************************************** |
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* This destructor is needed. |
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****************************************************************/ |
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WifiPhyListener::~WifiPhyListener () |
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{} |
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/**************************************************************** |
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* Phy event class |
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****************************************************************/ |
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class RxEvent |
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{ |
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public: |
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RxEvent (uint32_t size, WifiMode payloadMode, |
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enum WifiPreamble preamble, |
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Time duration, double rxPower) |
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: m_size (size), |
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m_payloadMode (payloadMode), |
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m_preamble (preamble), |
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m_startTime (Simulator::Now ()), |
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m_endTime (m_startTime + duration), |
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m_rxPowerW (rxPower), |
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m_refCount (1) |
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{} |
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~RxEvent () |
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{ |
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NS_ASSERT (m_refCount == 0); |
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} |
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void Ref (void) const { |
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m_refCount++; |
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} |
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void Unref (void) const { |
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m_refCount--; |
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if (m_refCount == 0) { |
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delete this; |
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} |
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} |
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Time GetDuration (void) const { |
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return m_endTime - m_startTime; |
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} |
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Time GetStartTime (void) const { |
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return m_startTime; |
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} |
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Time GetEndTime (void) const { |
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return m_endTime; |
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} |
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bool Overlaps (Time time) const { |
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if (m_startTime <= time && |
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m_endTime >= time) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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double GetRxPowerW (void) const { |
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return m_rxPowerW; |
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} |
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uint32_t GetSize (void) const { |
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return m_size; |
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} |
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WifiMode GetPayloadMode (void) const { |
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return m_payloadMode; |
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} |
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enum WifiPreamble GetPreambleType (void) const { |
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return m_preamble; |
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} |
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138 |
private: |
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uint32_t m_size; |
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WifiMode m_payloadMode; |
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enum WifiPreamble m_preamble; |
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Time m_startTime; |
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Time m_endTime; |
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double m_rxPowerW; |
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mutable int m_refCount; |
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}; |
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148 |
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/**************************************************************** |
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150 |
* Class which records SNIR change events for a |
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* short period of time. |
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****************************************************************/ |
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||
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WifiPhy::NiChange::NiChange (Time time, double delta) |
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: m_time (time), m_delta (delta) |
156 |
{} |
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Time |
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WifiPhy::NiChange::GetTime (void) const |
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{ |
160 |
return m_time; |
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} |
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double |
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WifiPhy::NiChange::GetDelta (void) const |
1889 | 164 |
{ |
165 |
return m_delta; |
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166 |
} |
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bool |
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WifiPhy::NiChange::operator < (WifiPhy::NiChange const &o) const |
1889 | 169 |
{ |
170 |
return (m_time < o.m_time)?true:false; |
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} |
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/**************************************************************** |
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* The actual WifiPhy class |
1889 | 177 |
****************************************************************/ |
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NS_OBJECT_ENSURE_REGISTERED (WifiPhy); |
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TypeId |
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WifiPhy::GetTypeId (void) |
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{ |
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184 |
static TypeId tid = TypeId ("ns3::WifiPhy") |
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185 |
.SetParent<Object> () |
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186 |
.AddConstructor<WifiPhy> () |
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187 |
.AddAttribute ("EnergyDetectionThreshold", |
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188 |
"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 (&WifiPhy::SetEdThreshold, |
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192 |
&WifiPhy::GetEdThreshold), |
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193 |
MakeDoubleChecker<double> ()) |
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194 |
.AddAttribute ("TxGain", |
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195 |
"Transmission gain (dB).", |
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196 |
DoubleValue (1.0), |
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197 |
MakeDoubleAccessor (&WifiPhy::SetTxGain, |
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198 |
&WifiPhy::GetTxGain), |
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199 |
MakeDoubleChecker<double> ()) |
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|
200 |
.AddAttribute ("RxGain", |
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|
201 |
"Reception gain (dB).", |
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|
202 |
DoubleValue (1.0), |
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|
203 |
MakeDoubleAccessor (&WifiPhy::SetRxGain, |
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|
204 |
&WifiPhy::GetRxGain), |
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|
205 |
MakeDoubleChecker<double> ()) |
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|
206 |
.AddAttribute ("TxPowerLevels", |
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|
207 |
"Number of transmission power levels available between " |
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|
208 |
"TxPowerBase and TxPowerEnd included.", |
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|
209 |
UintegerValue (1), |
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|
210 |
MakeUintegerAccessor (&WifiPhy::m_nTxPower), |
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|
211 |
MakeUintegerChecker<uint32_t> ()) |
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|
212 |
.AddAttribute ("TxPowerEnd", |
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|
213 |
"Maximum available transmission level (dbm).", |
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|
214 |
DoubleValue (16.0206), |
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|
215 |
MakeDoubleAccessor (&WifiPhy::SetTxPowerEnd, |
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|
216 |
&WifiPhy::GetTxPowerEnd), |
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|
217 |
MakeDoubleChecker<double> ()) |
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|
218 |
.AddAttribute ("TxPowerStart", |
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|
219 |
"Minimum available transmission level (dbm).", |
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|
220 |
DoubleValue (16.0206), |
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|
221 |
MakeDoubleAccessor (&WifiPhy::SetTxPowerStart, |
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|
222 |
&WifiPhy::GetTxPowerStart), |
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|
223 |
MakeDoubleChecker<double> ()) |
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|
224 |
.AddAttribute ("RxNoise", |
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|
225 |
"Ratio of energy lost by receiver (dB).", |
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|
226 |
DoubleValue (7), |
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|
227 |
MakeDoubleAccessor (&WifiPhy::SetRxNoise, |
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|
228 |
&WifiPhy::GetRxNoise), |
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|
229 |
MakeDoubleChecker<double> ()) |
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|
230 |
.AddAttribute ("Standard", "XXX", |
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|
231 |
EnumValue (WIFI_PHY_STANDARD_80211a), |
2524
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|
232 |
MakeEnumAccessor (&WifiPhy::SetStandard), |
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|
233 |
MakeEnumChecker (WIFI_PHY_STANDARD_80211a, "802.11a", |
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|
234 |
WIFI_PHY_STANDARD_holland, "holland")) |
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|
235 |
.AddTraceSource ("State", |
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|
236 |
"The WifiPhy state", |
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|
237 |
MakeTraceSourceAccessor (&WifiPhy::m_stateLogger)) |
2652
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parents:
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changeset
|
238 |
.AddTraceSource ("RxOk", |
f42cc6deb42b
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parents:
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|
239 |
"A packet has been received successfully.", |
2659
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parents:
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|
240 |
MakeTraceSourceAccessor (&WifiPhy::m_rxOkTrace)) |
2652
f42cc6deb42b
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parents:
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changeset
|
241 |
.AddTraceSource ("RxError", |
f42cc6deb42b
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parents:
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|
242 |
"A packet has been received unsuccessfully.", |
2659
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
243 |
MakeTraceSourceAccessor (&WifiPhy::m_rxErrorTrace)) |
2652
f42cc6deb42b
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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changeset
|
244 |
.AddTraceSource ("Tx", "Packet transmission is starting.", |
2659
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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|
245 |
MakeTraceSourceAccessor (&WifiPhy::m_txTrace)) |
2524
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|
246 |
; |
db72c0e7743e
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|
247 |
return tid; |
db72c0e7743e
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|
248 |
} |
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|
249 |
|
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|
250 |
WifiPhy::WifiPhy () |
db72c0e7743e
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|
251 |
: m_syncing (false), |
1889 | 252 |
m_endTx (Seconds (0)), |
253 |
m_endSync (Seconds (0)), |
|
254 |
m_endCcaBusy (Seconds (0)), |
|
255 |
m_startTx (Seconds (0)), |
|
256 |
m_startSync (Seconds (0)), |
|
257 |
m_startCcaBusy (Seconds (0)), |
|
258 |
m_previousStateChangeTime (Seconds (0)), |
|
259 |
m_endSyncEvent (), |
|
2524
db72c0e7743e
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|
260 |
m_random (0.0, 1.0) |
2985
fa0747c4ad5e
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parents:
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|
261 |
{ |
fa0747c4ad5e
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parents:
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changeset
|
262 |
NS_LOG_FUNCTION (this); |
fa0747c4ad5e
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parents:
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|
263 |
} |
2524
db72c0e7743e
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changeset
|
264 |
|
db72c0e7743e
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|
265 |
WifiPhy::~WifiPhy () |
2985
fa0747c4ad5e
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|
266 |
{ |
fa0747c4ad5e
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parents:
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|
267 |
NS_LOG_FUNCTION (this); |
fa0747c4ad5e
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|
268 |
} |
2530
05f9cec44621
avoid memory leaks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2524
diff
changeset
|
269 |
|
05f9cec44621
avoid memory leaks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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|
270 |
void |
05f9cec44621
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parents:
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changeset
|
271 |
WifiPhy::DoDispose (void) |
1964
041240a915f8
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
272 |
{ |
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|
273 |
NS_LOG_FUNCTION (this); |
2524
db72c0e7743e
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|
274 |
m_channel = 0; |
db72c0e7743e
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|
275 |
m_events.clear (); |
db72c0e7743e
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|
276 |
m_modes.clear (); |
db72c0e7743e
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|
277 |
} |
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changeset
|
278 |
|
db72c0e7743e
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|
279 |
void |
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|
280 |
WifiPhy::SetStandard (enum WifiPhyStandard standard) |
db72c0e7743e
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changeset
|
281 |
{ |
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|
282 |
NS_LOG_FUNCTION (this << standard); |
2524
db72c0e7743e
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changeset
|
283 |
m_standard = standard; |
db72c0e7743e
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changeset
|
284 |
switch (standard) { |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
285 |
case WIFI_PHY_STANDARD_80211a: |
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
286 |
Configure80211a (); |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
287 |
break; |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
288 |
case WIFI_PHY_STANDARD_holland: |
2083
c7541b84285e
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
289 |
ConfigureHolland (); |
c7541b84285e
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff
changeset
|
290 |
break; |
c7541b84285e
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
291 |
default: |
c7541b84285e
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changeset
|
292 |
NS_ASSERT (false); |
c7541b84285e
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parents:
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changeset
|
293 |
break; |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
294 |
} |
1964
041240a915f8
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1920
diff
changeset
|
295 |
} |
1889 | 296 |
|
2524
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changeset
|
297 |
|
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|
298 |
void |
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changeset
|
299 |
WifiPhy::SetRxNoise (double db) |
db72c0e7743e
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changeset
|
300 |
{ |
2985
fa0747c4ad5e
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2782
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changeset
|
301 |
NS_LOG_FUNCTION (this << db); |
2524
db72c0e7743e
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changeset
|
302 |
m_rxNoiseRatio = DbToRatio (db); |
db72c0e7743e
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changeset
|
303 |
} |
db72c0e7743e
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changeset
|
304 |
void |
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changeset
|
305 |
WifiPhy::SetTxPowerStart (double start) |
1889 | 306 |
{ |
2985
fa0747c4ad5e
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parents:
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changeset
|
307 |
NS_LOG_FUNCTION (this << start); |
2524
db72c0e7743e
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changeset
|
308 |
m_txPowerBaseDbm = start; |
db72c0e7743e
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changeset
|
309 |
} |
db72c0e7743e
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changeset
|
310 |
void |
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changeset
|
311 |
WifiPhy::SetTxPowerEnd (double end) |
db72c0e7743e
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changeset
|
312 |
{ |
2985
fa0747c4ad5e
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changeset
|
313 |
NS_LOG_FUNCTION (this << end); |
2524
db72c0e7743e
port wifi model to Attributes
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changeset
|
314 |
m_txPowerEndDbm = end; |
db72c0e7743e
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
315 |
} |
db72c0e7743e
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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changeset
|
316 |
void |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
317 |
WifiPhy::SetNTxPower (uint32_t n) |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
318 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
319 |
NS_LOG_FUNCTION (this << n); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
320 |
m_nTxPower = n; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
321 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
322 |
void |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
323 |
WifiPhy::SetTxGain (double gain) |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
324 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
325 |
NS_LOG_FUNCTION (this << gain); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
326 |
m_txGainDb = gain; |
1889 | 327 |
} |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
328 |
void |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
329 |
WifiPhy::SetRxGain (double gain) |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
330 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
331 |
NS_LOG_FUNCTION (this << gain); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
332 |
m_rxGainDb = gain; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
333 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
334 |
void |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
335 |
WifiPhy::SetEdThreshold (double threshold) |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
336 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
337 |
NS_LOG_FUNCTION (this << threshold); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
338 |
m_edThresholdW = DbmToW (threshold); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
339 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
340 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
341 |
WifiPhy::GetRxNoise (void) const |
2155
194dd8bdcf56
add WifiPhy::GetDevice
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2150
diff
changeset
|
342 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
343 |
return RatioToDb (m_rxNoiseRatio); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
344 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
345 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
346 |
WifiPhy::GetTxPowerStart (void) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
347 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
348 |
return m_txPowerBaseDbm; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
349 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
350 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
351 |
WifiPhy::GetTxPowerEnd (void) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
352 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
353 |
return m_txPowerEndDbm; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
354 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
355 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
356 |
WifiPhy::GetTxGain (void) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
357 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
358 |
return m_txGainDb; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
359 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
360 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
361 |
WifiPhy::GetRxGain (void) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
362 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
363 |
return m_rxGainDb; |
2155
194dd8bdcf56
add WifiPhy::GetDevice
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2150
diff
changeset
|
364 |
} |
194dd8bdcf56
add WifiPhy::GetDevice
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2150
diff
changeset
|
365 |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
366 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
367 |
WifiPhy::GetEdThreshold (void) const |
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
368 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
369 |
return WToDbm (m_edThresholdW); |
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
370 |
} |
1889 | 371 |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
372 |
Ptr<WifiChannel> |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
373 |
WifiPhy::GetChannel (void) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
374 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
375 |
return m_channel; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
376 |
} |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
377 |
|
1889 | 378 |
void |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
379 |
WifiPhy::SetChannel (Ptr<WifiChannel> channel) |
1889 | 380 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
381 |
m_channel = channel; |
1889 | 382 |
} |
383 |
||
384 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
385 |
WifiPhy::SetReceiveOkCallback (SyncOkCallback callback) |
1889 | 386 |
{ |
2659
38f50c9d55f4
make sure the trace hooks get a full packet as input.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2652
diff
changeset
|
387 |
m_syncOkCallback = callback; |
1889 | 388 |
} |
389 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
390 |
WifiPhy::SetReceiveErrorCallback (SyncErrorCallback callback) |
1889 | 391 |
{ |
2659
38f50c9d55f4
make sure the trace hooks get a full packet as input.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2652
diff
changeset
|
392 |
m_syncErrorCallback = callback; |
1889 | 393 |
} |
394 |
void |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
395 |
WifiPhy::StartReceivePacket (Ptr<Packet> packet, |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
396 |
double rxPowerDbm, |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
397 |
WifiMode txMode, |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
398 |
enum WifiPreamble preamble) |
1889 | 399 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
400 |
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
|
401 |
rxPowerDbm += m_rxGainDb; |
1988
210701141b08
convert to and from dbms when needed
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1979
diff
changeset
|
402 |
double rxPowerW = DbmToW (rxPowerDbm); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2155
diff
changeset
|
403 |
Time rxDuration = CalculateTxDuration (packet->GetSize (), txMode, preamble); |
1889 | 404 |
Time endRx = Simulator::Now () + rxDuration; |
405 |
||
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2155
diff
changeset
|
406 |
Ptr<RxEvent> event = Create<RxEvent> (packet->GetSize (), |
1889 | 407 |
txMode, |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
408 |
preamble, |
1889 | 409 |
rxDuration, |
410 |
rxPowerW); |
|
411 |
AppendEvent (event); |
|
412 |
||
413 |
switch (GetState ()) { |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
414 |
case WifiPhy::SYNC: |
1979
d535a38b7fc4
convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1978
diff
changeset
|
415 |
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
|
416 |
rxPowerW<<"W)"); |
1889 | 417 |
if (endRx > m_endSync) |
418 |
{ |
|
419 |
goto maybeCcaBusy; |
|
420 |
} |
|
421 |
break; |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
422 |
case WifiPhy::TX: |
1979
d535a38b7fc4
convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1978
diff
changeset
|
423 |
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
|
424 |
rxPowerW<<"W)"); |
1889 | 425 |
if (endRx > m_endTx) |
426 |
{ |
|
427 |
goto maybeCcaBusy; |
|
428 |
} |
|
429 |
break; |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
430 |
case WifiPhy::CCA_BUSY: |
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
431 |
case WifiPhy::IDLE: |
1889 | 432 |
if (rxPowerW > m_edThresholdW) |
433 |
{ |
|
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
|
434 |
NS_LOG_DEBUG ("sync (power="<<rxPowerW<<"W)"); |
1889 | 435 |
// sync to signal |
436 |
NotifySyncStart (rxDuration); |
|
437 |
SwitchToSync (rxDuration); |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
438 |
NS_ASSERT (m_endSyncEvent.IsExpired ()); |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
439 |
m_endSyncEvent = Simulator::Schedule (rxDuration, &WifiPhy::EndSync, this, |
1889 | 440 |
packet, |
1919
46ed9ed9dac0
remove extra WifiPhy::SendPacket argument. Add header mode support
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1909
diff
changeset
|
441 |
event); |
2071
122c95ffccdd
use dB instead of dbm where appropriate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2056
diff
changeset
|
442 |
} |
1889 | 443 |
else |
444 |
{ |
|
1979
d535a38b7fc4
convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1978
diff
changeset
|
445 |
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
|
446 |
rxPowerW<<"<"<<m_edThresholdW<<")"); |
1889 | 447 |
goto maybeCcaBusy; |
448 |
} |
|
449 |
break; |
|
450 |
} |
|
451 |
||
452 |
return; |
|
453 |
||
454 |
maybeCcaBusy: |
|
455 |
||
456 |
if (rxPowerW > m_edThresholdW) |
|
457 |
{ |
|
458 |
SwitchMaybeToCcaBusy (rxDuration); |
|
459 |
NotifyCcaBusyStart (rxDuration); |
|
460 |
} |
|
461 |
else |
|
462 |
{ |
|
463 |
double threshold = m_edThresholdW - rxPowerW; |
|
464 |
NiChanges ni; |
|
465 |
CalculateNoiseInterferenceW (event, &ni); |
|
466 |
double noiseInterferenceW = 0.0; |
|
467 |
Time end = Simulator::Now (); |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
468 |
for (NiChanges::const_iterator i = ni.begin (); i != ni.end (); i++) |
1889 | 469 |
{ |
470 |
noiseInterferenceW += i->GetDelta (); |
|
471 |
if (noiseInterferenceW < threshold) |
|
472 |
{ |
|
473 |
break; |
|
474 |
} |
|
475 |
end = i->GetTime (); |
|
476 |
} |
|
477 |
if (end > Simulator::Now ()) |
|
478 |
{ |
|
479 |
Time delta = end - Simulator::Now (); |
|
480 |
SwitchMaybeToCcaBusy (delta); |
|
481 |
NotifyCcaBusyStart (delta); |
|
482 |
} |
|
483 |
} |
|
484 |
||
485 |
} |
|
486 |
void |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2155
diff
changeset
|
487 |
WifiPhy::SendPacket (Ptr<const Packet> packet, WifiMode txMode, WifiPreamble preamble, uint8_t txPower) |
1889 | 488 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
489 |
NS_LOG_FUNCTION (this << packet << txMode << preamble << txPower); |
1889 | 490 |
/* Transmission can happen if: |
491 |
* - we are syncing on a packet. It is the responsability of the |
|
492 |
* MAC layer to avoid doing this but the PHY does nothing to |
|
493 |
* prevent it. |
|
494 |
* - we are idle |
|
495 |
*/ |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
496 |
NS_ASSERT (!IsStateTx ()); |
1889 | 497 |
|
2659
38f50c9d55f4
make sure the trace hooks get a full packet as input.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2652
diff
changeset
|
498 |
m_txTrace (packet, txMode, preamble, txPower); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2155
diff
changeset
|
499 |
Time txDuration = CalculateTxDuration (packet->GetSize (), txMode, preamble); |
1889 | 500 |
NotifyTxStart (txDuration); |
501 |
SwitchToTx (txDuration); |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
502 |
m_channel->Send (this, packet, GetPowerDbm (txPower) + m_txGainDb, txMode, preamble); |
1889 | 503 |
} |
504 |
||
505 |
uint32_t |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
506 |
WifiPhy::GetNModes (void) const |
1889 | 507 |
{ |
508 |
return m_modes.size (); |
|
509 |
} |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
510 |
WifiMode |
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
511 |
WifiPhy::GetMode (uint32_t mode) const |
1889 | 512 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
513 |
return m_modes[mode]; |
1889 | 514 |
} |
515 |
uint32_t |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
516 |
WifiPhy::GetNTxPower (void) const |
1889 | 517 |
{ |
518 |
return m_nTxPower; |
|
519 |
} |
|
520 |
||
521 |
double |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
522 |
WifiPhy::CalculateSnr (WifiMode txMode, double ber) const |
1889 | 523 |
{ |
524 |
double low, high, precision; |
|
525 |
low = 1e-25; |
|
526 |
high = 1e25; |
|
527 |
precision = 1e-12; |
|
528 |
while (high - low > precision) |
|
529 |
{ |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
530 |
NS_ASSERT (high >= low); |
1889 | 531 |
double middle = low + (high - low) / 2; |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
532 |
if ((1 - GetChunkSuccessRate (txMode, middle, 1)) > ber) |
1889 | 533 |
{ |
534 |
low = middle; |
|
535 |
} |
|
536 |
else |
|
537 |
{ |
|
538 |
high = middle; |
|
539 |
} |
|
540 |
} |
|
541 |
return low; |
|
542 |
} |
|
543 |
||
544 |
void |
|
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
545 |
WifiPhy::Configure80211aParameters (void) |
1889 | 546 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
547 |
NS_LOG_FUNCTION (this); |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
548 |
m_plcpLongPreambleDelayUs = 16; |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
549 |
m_plcpShortPreambleDelayUs = 16; |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
550 |
m_longPlcpHeaderMode = g_6mba; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
551 |
m_shortPlcpHeaderMode = g_6mba; |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
552 |
m_plcpHeaderLength = 4 + 1 + 12 + 1 + 6; |
1889 | 553 |
/* 4095 bytes at a 6Mb/s rate with a 1/2 coding rate. */ |
2167
3b0f18764163
re-use the CaculateTxDuration method where it is needed.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2166
diff
changeset
|
554 |
m_maxPacketDuration = CalculateTxDuration (4095, g_6mba, WIFI_PREAMBLE_LONG); |
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
555 |
} |
1889 | 556 |
|
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
557 |
void |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
558 |
WifiPhy::PrintModes (void) const |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
559 |
{ |
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
|
560 |
#if 0 |
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
|
561 |
for (double db = -10; db < 30; db+= 0.5) { |
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
|
562 |
double snr = DbToRatio (db); |
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
|
563 |
std::cout <<snr<<" "; |
1889 | 564 |
for (uint8_t i = 0; i < GetNModes (); i++) { |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
565 |
WifiMode mode = GetMode (i); |
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
|
566 |
double ber = 1-GetChunkSuccessRate (mode,snr, 2000*8); |
1889 | 567 |
std::cout <<ber<< " "; |
568 |
} |
|
569 |
std::cout << std::endl; |
|
570 |
} |
|
571 |
#endif |
|
572 |
} |
|
573 |
||
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
574 |
void |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
575 |
WifiPhy::Configure80211a (void) |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
576 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
577 |
NS_LOG_FUNCTION (this); |
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
578 |
Configure80211aParameters (); |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
579 |
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
|
580 |
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
|
581 |
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
|
582 |
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
|
583 |
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
|
584 |
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
|
585 |
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
|
586 |
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
|
587 |
|
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
588 |
PrintModes (); |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
589 |
} |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
590 |
|
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
591 |
void |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
592 |
WifiPhy::ConfigureHolland (void) |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
593 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
594 |
NS_LOG_FUNCTION (this); |
2083
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
595 |
Configure80211aParameters (); |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
596 |
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
|
597 |
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
|
598 |
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
|
599 |
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
|
600 |
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
|
601 |
|
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
602 |
PrintModes (); |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
603 |
} |
c7541b84285e
add the holland 802.11a set of modes.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2077
diff
changeset
|
604 |
|
1889 | 605 |
void |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
606 |
WifiPhy::RegisterListener (WifiPhyListener *listener) |
1889 | 607 |
{ |
608 |
m_listeners.push_back (listener); |
|
609 |
} |
|
610 |
||
611 |
bool |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
612 |
WifiPhy::IsStateCcaBusy (void) |
1889 | 613 |
{ |
614 |
return GetState () == CCA_BUSY; |
|
615 |
} |
|
616 |
||
617 |
bool |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
618 |
WifiPhy::IsStateIdle (void) |
1889 | 619 |
{ |
620 |
return (GetState () == IDLE)?true:false; |
|
621 |
} |
|
622 |
bool |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
623 |
WifiPhy::IsStateBusy (void) |
1889 | 624 |
{ |
625 |
return (GetState () != IDLE)?true:false; |
|
626 |
} |
|
627 |
bool |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
628 |
WifiPhy::IsStateSync (void) |
1889 | 629 |
{ |
630 |
return (GetState () == SYNC)?true:false; |
|
631 |
} |
|
632 |
bool |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
633 |
WifiPhy::IsStateTx (void) |
1889 | 634 |
{ |
635 |
return (GetState () == TX)?true:false; |
|
636 |
} |
|
637 |
||
638 |
Time |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
639 |
WifiPhy::GetStateDuration (void) |
1889 | 640 |
{ |
641 |
return Simulator::Now () - m_previousStateChangeTime; |
|
642 |
} |
|
643 |
Time |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
644 |
WifiPhy::GetDelayUntilIdle (void) |
1889 | 645 |
{ |
646 |
Time retval; |
|
647 |
||
648 |
switch (GetState ()) { |
|
649 |
case SYNC: |
|
650 |
retval = m_endSync - Simulator::Now (); |
|
651 |
break; |
|
652 |
case TX: |
|
653 |
retval = m_endTx - Simulator::Now (); |
|
654 |
break; |
|
655 |
case CCA_BUSY: |
|
656 |
retval = m_endCcaBusy - Simulator::Now (); |
|
657 |
break; |
|
658 |
case IDLE: |
|
659 |
retval = Seconds (0); |
|
660 |
break; |
|
661 |
default: |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
662 |
NS_ASSERT (false); |
1889 | 663 |
// NOTREACHED |
664 |
retval = Seconds (0); |
|
665 |
break; |
|
666 |
} |
|
667 |
retval = Max (retval, Seconds (0)); |
|
668 |
return retval; |
|
669 |
} |
|
670 |
||
2139
a2cf93c741c3
add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2083
diff
changeset
|
671 |
Time |
a2cf93c741c3
add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2083
diff
changeset
|
672 |
WifiPhy::GetLastRxStartTime (void) const |
a2cf93c741c3
add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2083
diff
changeset
|
673 |
{ |
a2cf93c741c3
add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2083
diff
changeset
|
674 |
return m_startSync; |
a2cf93c741c3
add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2083
diff
changeset
|
675 |
} |
a2cf93c741c3
add WifiPhy::GetLastRxStart
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2083
diff
changeset
|
676 |
|
1889 | 677 |
|
678 |
Time |
|
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
679 |
WifiPhy::CalculateTxDuration (uint32_t size, WifiMode payloadMode, WifiPreamble preamble) const |
1889 | 680 |
{ |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
681 |
uint64_t delay = 0; |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
682 |
switch (m_standard) { |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
683 |
case WIFI_PHY_STANDARD_80211a: |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
684 |
case WIFI_PHY_STANDARD_holland: { |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
685 |
delay += m_plcpLongPreambleDelayUs; |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
686 |
// symbol duration is 4us |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
687 |
delay += 4; |
2173
7437d8a72987
Avoid integer division
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2167
diff
changeset
|
688 |
delay += lrint (ceil ((size * 8.0 + 16.0 + 6.0) / payloadMode.GetDataRate () / 4e-6) * 4); |
2166
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
689 |
} break; |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
690 |
default: |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
691 |
// quiet compiler. |
00b5eb43dba2
Improve the accuracy of 802.11a tx duration calculations.
Federico Maguolo <federico.maguolo@dei.unipd.it>
parents:
2164
diff
changeset
|
692 |
NS_ASSERT (false); |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
693 |
break; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
694 |
} |
1889 | 695 |
return MicroSeconds (delay); |
696 |
} |
|
697 |
||
698 |
char const * |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
699 |
WifiPhy::StateToString (enum State state) |
1889 | 700 |
{ |
701 |
switch (state) { |
|
702 |
case TX: |
|
703 |
return "TX"; |
|
704 |
break; |
|
705 |
case CCA_BUSY: |
|
706 |
return "CCA_BUSY"; |
|
707 |
break; |
|
708 |
case IDLE: |
|
709 |
return "IDLE"; |
|
710 |
break; |
|
711 |
case SYNC: |
|
712 |
return "SYNC"; |
|
713 |
break; |
|
714 |
default: |
|
715 |
return "XXX"; |
|
716 |
break; |
|
717 |
} |
|
718 |
} |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
719 |
enum WifiPhy::State |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
720 |
WifiPhy::GetState (void) |
1889 | 721 |
{ |
722 |
if (m_endTx > Simulator::Now ()) |
|
723 |
{ |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
724 |
return WifiPhy::TX; |
1889 | 725 |
} |
726 |
else if (m_syncing) |
|
727 |
{ |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
728 |
return WifiPhy::SYNC; |
1889 | 729 |
} |
730 |
else if (m_endCcaBusy > Simulator::Now ()) |
|
731 |
{ |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
732 |
return WifiPhy::CCA_BUSY; |
1889 | 733 |
} |
734 |
else |
|
735 |
{ |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
736 |
return WifiPhy::IDLE; |
1889 | 737 |
} |
738 |
} |
|
739 |
||
740 |
double |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
741 |
WifiPhy::DbToRatio (double dB) const |
1889 | 742 |
{ |
743 |
double ratio = pow(10.0,dB/10.0); |
|
744 |
return ratio; |
|
745 |
} |
|
746 |
||
747 |
double |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
748 |
WifiPhy::DbmToW (double dBm) const |
1889 | 749 |
{ |
750 |
double mW = pow(10.0,dBm/10.0); |
|
751 |
return mW / 1000.0; |
|
752 |
} |
|
753 |
||
754 |
double |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
755 |
WifiPhy::WToDbm (double w) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
756 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
757 |
return 10.0 * log10(w * 1000.0); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
758 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
759 |
|
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
760 |
double |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
761 |
WifiPhy::RatioToDb (double ratio) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
762 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
763 |
return 10.0 * log10(ratio); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
764 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
765 |
|
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
766 |
double |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
767 |
WifiPhy::GetEdThresholdW (void) const |
1889 | 768 |
{ |
769 |
return m_edThresholdW; |
|
770 |
} |
|
771 |
||
772 |
Time |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
773 |
WifiPhy::GetMaxPacketDuration (void) const |
1889 | 774 |
{ |
775 |
return m_maxPacketDuration; |
|
776 |
} |
|
777 |
||
778 |
double |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
779 |
WifiPhy::GetPowerDbm (uint8_t power) const |
1889 | 780 |
{ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
781 |
NS_ASSERT (m_txPowerBaseDbm <= m_txPowerEndDbm); |
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
782 |
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
|
783 |
double dbm = m_txPowerBaseDbm + power * (m_txPowerEndDbm - m_txPowerBaseDbm) / m_nTxPower; |
1889 | 784 |
return dbm; |
785 |
} |
|
786 |
||
787 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
788 |
WifiPhy::NotifyTxStart (Time duration) |
1889 | 789 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
790 |
for (Listeners::const_iterator i = m_listeners.begin (); i != m_listeners.end (); i++) { |
1889 | 791 |
(*i)->NotifyTxStart (duration); |
792 |
} |
|
793 |
} |
|
794 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
795 |
WifiPhy::NotifySyncStart (Time duration) |
1889 | 796 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
797 |
for (Listeners::const_iterator i = m_listeners.begin (); i != m_listeners.end (); i++) { |
1889 | 798 |
(*i)->NotifyRxStart (duration); |
799 |
} |
|
800 |
} |
|
801 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
802 |
WifiPhy::NotifySyncEndOk (void) |
1889 | 803 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
804 |
for (Listeners::const_iterator i = m_listeners.begin (); i != m_listeners.end (); i++) { |
1889 | 805 |
(*i)->NotifyRxEndOk (); |
806 |
} |
|
807 |
} |
|
808 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
809 |
WifiPhy::NotifySyncEndError (void) |
1889 | 810 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
811 |
for (Listeners::const_iterator i = m_listeners.begin (); i != m_listeners.end (); i++) { |
1889 | 812 |
(*i)->NotifyRxEndError (); |
813 |
} |
|
814 |
} |
|
815 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
816 |
WifiPhy::NotifyCcaBusyStart (Time duration) |
1889 | 817 |
{ |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
818 |
for (Listeners::const_iterator i = m_listeners.begin (); i != m_listeners.end (); i++) { |
1889 | 819 |
(*i)->NotifyCcaBusyStart (duration); |
820 |
} |
|
821 |
} |
|
822 |
||
823 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
824 |
WifiPhy::LogPreviousIdleAndCcaBusyStates (void) |
1889 | 825 |
{ |
826 |
Time now = Simulator::Now (); |
|
827 |
Time idleStart = Max (m_endCcaBusy, m_endSync); |
|
828 |
idleStart = Max (idleStart, m_endTx); |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
829 |
NS_ASSERT (idleStart <= now); |
1889 | 830 |
if (m_endCcaBusy > m_endSync && |
831 |
m_endCcaBusy > m_endTx) { |
|
832 |
Time ccaBusyStart = Max (m_endTx, m_endSync); |
|
833 |
ccaBusyStart = Max (ccaBusyStart, m_startCcaBusy); |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
834 |
m_stateLogger (ccaBusyStart, idleStart - ccaBusyStart, WifiPhy::CCA_BUSY); |
1889 | 835 |
} |
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
836 |
m_stateLogger (idleStart, now - idleStart, WifiPhy::IDLE); |
1889 | 837 |
} |
838 |
||
839 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
840 |
WifiPhy::SwitchToTx (Time txDuration) |
1889 | 841 |
{ |
842 |
Time now = Simulator::Now (); |
|
843 |
switch (GetState ()) { |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
844 |
case WifiPhy::SYNC: |
1889 | 845 |
/* The packet which is being received as well |
846 |
* as its endSync event are cancelled by the caller. |
|
847 |
*/ |
|
848 |
m_syncing = false; |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
849 |
m_stateLogger (m_startSync, now - m_startSync, WifiPhy::SYNC); |
2356
d43d9f5a22f8
Sync event must be properly canceled upon tx during sync.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2355
diff
changeset
|
850 |
m_endSyncEvent.Cancel (); |
d43d9f5a22f8
Sync event must be properly canceled upon tx during sync.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2355
diff
changeset
|
851 |
m_endSync = now; |
1889 | 852 |
break; |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
853 |
case WifiPhy::CCA_BUSY: { |
1889 | 854 |
Time ccaStart = Max (m_endSync, m_endTx); |
855 |
ccaStart = Max (ccaStart, m_startCcaBusy); |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
856 |
m_stateLogger (ccaStart, now - ccaStart, WifiPhy::CCA_BUSY); |
1889 | 857 |
} break; |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
858 |
case WifiPhy::IDLE: |
1889 | 859 |
LogPreviousIdleAndCcaBusyStates (); |
860 |
break; |
|
861 |
default: |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
862 |
NS_ASSERT (false); |
1889 | 863 |
break; |
864 |
} |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
865 |
m_stateLogger (now, txDuration, WifiPhy::TX); |
1889 | 866 |
m_previousStateChangeTime = now; |
867 |
m_endTx = now + txDuration; |
|
868 |
m_startTx = now; |
|
869 |
} |
|
870 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
871 |
WifiPhy::SwitchToSync (Time rxDuration) |
1889 | 872 |
{ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
873 |
NS_ASSERT (IsStateIdle () || IsStateCcaBusy ()); |
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
874 |
NS_ASSERT (!m_syncing); |
1889 | 875 |
Time now = Simulator::Now (); |
876 |
switch (GetState ()) { |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
877 |
case WifiPhy::IDLE: |
1889 | 878 |
LogPreviousIdleAndCcaBusyStates (); |
879 |
break; |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
880 |
case WifiPhy::CCA_BUSY: { |
1889 | 881 |
Time ccaStart = Max (m_endSync, m_endTx); |
882 |
ccaStart = Max (ccaStart, m_startCcaBusy); |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
883 |
m_stateLogger (ccaStart, now - ccaStart, WifiPhy::CCA_BUSY); |
1889 | 884 |
} break; |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
885 |
case WifiPhy::SYNC: |
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
886 |
case WifiPhy::TX: |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
887 |
NS_ASSERT (false); |
1889 | 888 |
break; |
889 |
} |
|
890 |
m_previousStateChangeTime = now; |
|
891 |
m_syncing = true; |
|
892 |
m_startSync = now; |
|
893 |
m_endSync = now + rxDuration; |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
894 |
NS_ASSERT (IsStateSync ()); |
1889 | 895 |
} |
896 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
897 |
WifiPhy::SwitchFromSync (void) |
1889 | 898 |
{ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
899 |
NS_ASSERT (IsStateSync ()); |
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
900 |
NS_ASSERT (m_syncing); |
1889 | 901 |
|
902 |
Time now = Simulator::Now (); |
|
2055
8899d6ef5d52
phy state logger
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1999
diff
changeset
|
903 |
m_stateLogger (m_startSync, now - m_startSync, WifiPhy::SYNC); |
1889 | 904 |
m_previousStateChangeTime = now; |
905 |
m_syncing = false; |
|
906 |
||
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
907 |
NS_ASSERT (IsStateIdle () || IsStateCcaBusy ()); |
1889 | 908 |
} |
909 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
910 |
WifiPhy::SwitchMaybeToCcaBusy (Time duration) |
1889 | 911 |
{ |
912 |
Time now = Simulator::Now (); |
|
913 |
switch (GetState ()) { |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
914 |
case WifiPhy::IDLE: |
1889 | 915 |
LogPreviousIdleAndCcaBusyStates (); |
916 |
break; |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
917 |
case WifiPhy::CCA_BUSY: |
1889 | 918 |
break; |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
919 |
case WifiPhy::SYNC: |
1889 | 920 |
break; |
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
921 |
case WifiPhy::TX: |
1889 | 922 |
break; |
923 |
} |
|
924 |
m_startCcaBusy = now; |
|
925 |
m_endCcaBusy = Max (m_endCcaBusy, now + duration); |
|
926 |
} |
|
927 |
||
928 |
void |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
929 |
WifiPhy::AppendEvent (Ptr<RxEvent> event) |
1889 | 930 |
{ |
931 |
/* attempt to remove the events which are |
|
932 |
* not useful anymore. |
|
933 |
* i.e.: all events which end _before_ |
|
934 |
* now - m_maxPacketDuration |
|
935 |
*/ |
|
936 |
||
937 |
if (Simulator::Now () > GetMaxPacketDuration ()) |
|
938 |
{ |
|
939 |
Time end = Simulator::Now () - GetMaxPacketDuration (); |
|
940 |
Events::iterator i = m_events.begin (); |
|
941 |
while (i != m_events.end () && |
|
942 |
(*i)->GetEndTime () <= end) |
|
943 |
{ |
|
944 |
i++; |
|
945 |
} |
|
946 |
m_events.erase (m_events.begin (), i); |
|
947 |
} |
|
948 |
m_events.push_back (event); |
|
949 |
} |
|
950 |
||
951 |
||
952 |
||
953 |
/** |
|
954 |
* Stuff specific to the BER model here. |
|
955 |
*/ |
|
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
956 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
957 |
WifiPhy::Log2 (double val) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
958 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
959 |
return log(val) / log(2.0); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
960 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
961 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
962 |
WifiPhy::GetBpskBer (double snr, uint32_t signalSpread, uint32_t phyRate) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
963 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
964 |
double EbNo = snr * signalSpread / phyRate; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
965 |
double z = sqrt(EbNo); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
966 |
double ber = 0.5 * erfc(z); |
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
|
967 |
NS_LOG_INFO ("bpsk snr="<<snr<<" ber="<<ber); |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
968 |
return ber; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
969 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
970 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
971 |
WifiPhy::GetQamBer (double snr, unsigned int m, uint32_t signalSpread, uint32_t phyRate) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
972 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
973 |
double EbNo = snr * signalSpread / phyRate; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
974 |
double z = sqrt ((1.5 * Log2 (m) * EbNo) / (m - 1.0)); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
975 |
double z1 = ((1.0 - 1.0 / sqrt (m)) * erfc (z)) ; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
976 |
double z2 = 1 - pow ((1-z1), 2.0); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
977 |
double ber = z2 / Log2 (m); |
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
|
978 |
NS_LOG_INFO ("Qam m="<<m<<" rate=" << phyRate << " snr="<<snr<<" ber="<<ber); |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
979 |
return ber; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
980 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
981 |
uint32_t |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
982 |
WifiPhy::Factorial (uint32_t k) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
983 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
984 |
uint32_t fact = 1; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
985 |
while (k > 0) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
986 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
987 |
fact *= k; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
988 |
k--; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
989 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
990 |
return fact; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
991 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
992 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
993 |
WifiPhy::Binomial (uint32_t k, double p, uint32_t n) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
994 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
995 |
double retval = Factorial (n) / (Factorial (k) * Factorial (n-k)) * pow (p, k) * pow (1-p, n-k); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
996 |
return retval; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
997 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
998 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
999 |
WifiPhy::CalculatePdOdd (double ber, unsigned int d) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1000 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1001 |
NS_ASSERT ((d % 2) == 1); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1002 |
unsigned int dstart = (d + 1) / 2; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1003 |
unsigned int dend = d; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1004 |
double pd = 0; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1005 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1006 |
for (unsigned int i = dstart; i < dend; i++) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1007 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1008 |
pd += Binomial (i, ber, d); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1009 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1010 |
return pd; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1011 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1012 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1013 |
WifiPhy::CalculatePdEven (double ber, unsigned int d) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1014 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1015 |
NS_ASSERT ((d % 2) == 0); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1016 |
unsigned int dstart = d / 2 + 1; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1017 |
unsigned int dend = d; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1018 |
double pd = 0; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1019 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1020 |
for (unsigned int i = dstart; i < dend; i++) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1021 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1022 |
pd += Binomial (i, ber, d); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1023 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1024 |
pd += 0.5 * Binomial (d / 2, ber, d); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1025 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1026 |
return pd; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1027 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1028 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1029 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1030 |
WifiPhy::CalculatePd (double ber, unsigned int d) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1031 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1032 |
double pd; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1033 |
if ((d % 2) == 0) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1034 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1035 |
pd = CalculatePdEven (ber, d); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1036 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1037 |
else |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1038 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1039 |
pd = CalculatePdOdd (ber, d); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1040 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1041 |
return pd; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1042 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1043 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1044 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1045 |
WifiPhy::GetFecBpskBer (double snr, double nbits, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1046 |
uint32_t signalSpread, uint32_t phyRate, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1047 |
uint32_t dFree, uint32_t adFree) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1048 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1049 |
double ber = GetBpskBer (snr, signalSpread, phyRate); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1050 |
if (ber == 0.0) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1051 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1052 |
return 1.0; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1053 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1054 |
double pd = CalculatePd (ber, dFree); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1055 |
double pmu = adFree * pd; |
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
|
1056 |
pmu = std::min (pmu, 1.0); |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1057 |
double pms = pow (1 - pmu, nbits); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1058 |
return pms; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1059 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1060 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1061 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1062 |
WifiPhy::GetFecQamBer (double snr, uint32_t nbits, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1063 |
uint32_t signalSpread, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1064 |
uint32_t phyRate, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1065 |
uint32_t m, uint32_t dFree, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1066 |
uint32_t adFree, uint32_t adFreePlusOne) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1067 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1068 |
double ber = GetQamBer (snr, m, signalSpread, phyRate); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1069 |
if (ber == 0.0) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1070 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1071 |
return 1.0; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1072 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1073 |
/* first term */ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1074 |
double pd = CalculatePd (ber, dFree); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1075 |
double pmu = adFree * pd; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1076 |
/* second term */ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1077 |
pd = CalculatePd (ber, dFree + 1); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1078 |
pmu += adFreePlusOne * pd; |
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
|
1079 |
pmu = std::min (pmu, 1.0); |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1080 |
double pms = pow (1 - pmu, nbits); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1081 |
return pms; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1082 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1083 |
|
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1084 |
double |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1085 |
WifiPhy::GetChunkSuccessRate (WifiMode mode, double snr, uint32_t nbits) const |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1086 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1087 |
if (mode.GetUid () == g_6mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1088 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1089 |
return GetFecBpskBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1090 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1091 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1092 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1093 |
10, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1094 |
11 // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1095 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1096 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1097 |
else if (mode.GetUid () == g_9mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1098 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1099 |
return GetFecBpskBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1100 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1101 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1102 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1103 |
5, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1104 |
8 // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1105 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1106 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1107 |
else if (mode.GetUid () == g_12mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1108 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1109 |
return GetFecQamBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1110 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1111 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1112 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1113 |
4, // m |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1114 |
10, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1115 |
11, // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1116 |
0 // adFreePlusOne |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1117 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1118 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1119 |
else if (mode.GetUid () == g_18mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1120 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1121 |
return GetFecQamBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1122 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1123 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1124 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1125 |
4, // m |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1126 |
5, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1127 |
8, // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1128 |
31 // adFreePlusOne |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1129 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1130 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1131 |
else if (mode.GetUid () == g_24mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1132 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1133 |
return GetFecQamBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1134 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1135 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1136 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1137 |
16, // m |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1138 |
10, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1139 |
11, // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1140 |
0 // adFreePlusOne |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1141 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1142 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1143 |
else if (mode.GetUid () == g_36mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1144 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1145 |
return GetFecQamBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1146 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1147 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1148 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1149 |
16, // m |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1150 |
5, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1151 |
8, // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1152 |
31 // adFreePlusOne |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1153 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1154 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1155 |
else if (mode.GetUid () == g_48mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1156 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1157 |
return GetFecQamBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1158 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1159 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1160 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1161 |
64, // m |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1162 |
6, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1163 |
1, // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1164 |
16 // adFreePlusOne |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1165 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1166 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1167 |
else if (mode.GetUid () == g_54mba.GetUid ()) |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1168 |
{ |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1169 |
return GetFecQamBer (snr, |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1170 |
nbits, |
2355
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1171 |
mode.GetBandwidth (), // signal spread |
79b65c32b16f
Use the physical rate where needed.
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2173
diff
changeset
|
1172 |
mode.GetPhyRate (), // phy rate |
1892
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1173 |
64, // m |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1174 |
5, // dFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1175 |
8, // adFree |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1176 |
31 // adFreePlusOne |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1177 |
); |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1178 |
} |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1179 |
return 0; |
7833628614bf
implement WifiPhy::GetChunkSuccessRate
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1891
diff
changeset
|
1180 |
} |
1889 | 1181 |
|
1182 |
double |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1183 |
WifiPhy::CalculateSnr (double signal, double noiseInterference, WifiMode mode) const |
1889 | 1184 |
{ |
1185 |
// thermal noise at 290K in J/s = W |
|
1186 |
static const double BOLTZMANN = 1.3803e-23; |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1187 |
double Nt = BOLTZMANN * 290.0 * mode.GetBandwidth (); |
1889 | 1188 |
// receiver noise Floor (W) |
1189 |
double noiseFloor = m_rxNoiseRatio * Nt; |
|
1190 |
double noise = noiseFloor + noiseInterference; |
|
1191 |
double snr = signal / noise; |
|
1192 |
return snr; |
|
1193 |
} |
|
1194 |
||
1195 |
double |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
1196 |
WifiPhy::CalculateNoiseInterferenceW (Ptr<RxEvent> event, NiChanges *ni) const |
1889 | 1197 |
{ |
1198 |
Events::const_iterator i = m_events.begin (); |
|
1199 |
double noiseInterference = 0.0; |
|
1200 |
while (i != m_events.end ()) |
|
1201 |
{ |
|
1202 |
if (event == (*i)) |
|
1203 |
{ |
|
1204 |
i++; |
|
1205 |
continue; |
|
1206 |
} |
|
1207 |
if (event->Overlaps ((*i)->GetStartTime ())) |
|
1208 |
{ |
|
1209 |
ni->push_back (NiChange ((*i)->GetStartTime (), (*i)->GetRxPowerW ())); |
|
1210 |
} |
|
1211 |
if (event->Overlaps ((*i)->GetEndTime ())) |
|
1212 |
{ |
|
1213 |
ni->push_back (NiChange ((*i)->GetEndTime (), -(*i)->GetRxPowerW ())); |
|
1214 |
} |
|
1215 |
if ((*i)->Overlaps (event->GetStartTime ())) |
|
1216 |
{ |
|
1217 |
noiseInterference += (*i)->GetRxPowerW (); |
|
1218 |
} |
|
1219 |
i++; |
|
1220 |
} |
|
1221 |
ni->push_back (NiChange (event->GetStartTime (), noiseInterference)); |
|
1222 |
ni->push_back (NiChange (event->GetEndTime (), 0)); |
|
1223 |
||
1224 |
/* quicksort vector of NI changes by time. */ |
|
1225 |
std::sort (ni->begin (), ni->end (), std::less<NiChange> ()); |
|
1226 |
||
1227 |
return noiseInterference; |
|
1228 |
} |
|
1229 |
||
1230 |
double |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1231 |
WifiPhy::CalculateChunkSuccessRate (double snir, Time duration, WifiMode mode) const |
1889 | 1232 |
{ |
1233 |
if (duration == NanoSeconds (0)) { |
|
1234 |
return 1.0; |
|
1235 |
} |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1236 |
uint32_t rate = mode.GetPhyRate (); |
1889 | 1237 |
uint64_t nbits = (uint64_t)(rate * duration.GetSeconds ()); |
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1238 |
double csr = GetChunkSuccessRate (mode, snir, (uint32_t)nbits); |
1889 | 1239 |
return csr; |
1240 |
} |
|
1241 |
||
1242 |
double |
|
1890
a2b30c6456c9
Phy80211 -> WifiPhy
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1889
diff
changeset
|
1243 |
WifiPhy::CalculatePer (Ptr<const RxEvent> event, NiChanges *ni) const |
1889 | 1244 |
{ |
1245 |
double psr = 1.0; /* Packet Success Rate */ |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1246 |
NiChanges::iterator j = ni->begin (); |
1889 | 1247 |
Time previous = (*j).GetTime (); |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1248 |
uint64_t plcpPreambleDelayUs; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1249 |
WifiMode payloadMode = event->GetPayloadMode (); |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1250 |
WifiMode headerMode; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1251 |
switch (event->GetPreambleType ()) { |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1252 |
case WIFI_PREAMBLE_LONG: |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1253 |
plcpPreambleDelayUs = m_plcpLongPreambleDelayUs; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1254 |
headerMode = m_longPlcpHeaderMode; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1255 |
break; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1256 |
case WIFI_PREAMBLE_SHORT: |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1257 |
plcpPreambleDelayUs = m_plcpShortPreambleDelayUs; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1258 |
headerMode = m_shortPlcpHeaderMode; |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1259 |
break; |
2077
8ff95ff1ed2e
fix optimized builds
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2071
diff
changeset
|
1260 |
default: |
8ff95ff1ed2e
fix optimized builds
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2071
diff
changeset
|
1261 |
NS_ASSERT (false); |
8ff95ff1ed2e
fix optimized builds
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2071
diff
changeset
|
1262 |
// only to quiet compiler. Really stupid. |
8ff95ff1ed2e
fix optimized builds
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2071
diff
changeset
|
1263 |
plcpPreambleDelayUs = 0; |
8ff95ff1ed2e
fix optimized builds
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2071
diff
changeset
|
1264 |
headerMode = m_shortPlcpHeaderMode; |
8ff95ff1ed2e
fix optimized builds
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2071
diff
changeset
|
1265 |
break; |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1266 |
} |
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1267 |
Time plcpHeaderStart = (*j).GetTime () + MicroSeconds (plcpPreambleDelayUs); |
1889 | 1268 |
Time plcpPayloadStart = plcpHeaderStart + |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2503
diff
changeset
|
1269 |
Seconds ((m_plcpHeaderLength + 0.0) / headerMode.GetDataRate ()); |
1889 | 1270 |
double noiseInterferenceW = (*j).GetDelta (); |
1271 |
double powerW = event->GetRxPowerW (); |
|
1272 |
||
1273 |
j++; |
|
1274 |
while (ni->end () != j) |
|
1275 |
{ |
|
1276 |
Time current = (*j).GetTime (); |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
1277 |
NS_ASSERT (current >= previous); |
1889 | 1278 |
|
1279 |
if (previous >= plcpPayloadStart) |
|
1280 |
{ |
|
1281 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1282 |
noiseInterferenceW, |
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1283 |
payloadMode), |
1889 | 1284 |
current - previous, |
1285 |
payloadMode); |
|
1286 |
} |
|
1287 |
else if (previous >= plcpHeaderStart) |
|
1288 |
{ |
|
1289 |
if (current >= plcpPayloadStart) |
|
1290 |
{ |
|
1291 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
|
1292 |
noiseInterferenceW, |
|
1293 |
headerMode), |
|
1294 |
plcpPayloadStart - previous, |
|
1295 |
headerMode); |
|
1296 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
|
1297 |
noiseInterferenceW, |
|
1298 |
payloadMode), |
|
1299 |
current - plcpPayloadStart, |
|
1300 |
payloadMode); |
|
1301 |
} |
|
1302 |
else |
|
1303 |
{ |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
1304 |
NS_ASSERT (current >= plcpHeaderStart); |
1889 | 1305 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
1306 |
noiseInterferenceW, |
|
1307 |
headerMode), |
|
1308 |
current - previous, |
|
1309 |
headerMode); |
|
1310 |
} |
|
1311 |
} |
|
1312 |
else |
|
1313 |
{ |
|
1314 |
if (current >= plcpPayloadStart) |
|
1315 |
{ |
|
1316 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
|
1317 |
noiseInterferenceW, |
|
1318 |
headerMode), |
|
1319 |
plcpPayloadStart - plcpHeaderStart, |
|
1320 |
headerMode); |
|
1321 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
|
1322 |
noiseInterferenceW, |
|
1323 |
payloadMode), |
|
1324 |
current - plcpPayloadStart, |
|
1325 |
payloadMode); |
|
1326 |
} |
|
1327 |
else if (current >= plcpHeaderStart) |
|
1328 |
{ |
|
1329 |
psr *= CalculateChunkSuccessRate (CalculateSnr (powerW, |
|
1330 |
noiseInterferenceW, |
|
1331 |
headerMode), |
|
1332 |
current - plcpHeaderStart, |
|
1333 |
headerMode); |
|
1334 |
} |
|
1335 |
} |
|
1336 |
||
1337 |
noiseInterferenceW += (*j).GetDelta (); |
|
1338 |
previous = (*j).GetTime (); |
|
1339 |
j++; |
|
1340 |
} |
|
1341 |
||
1342 |
double per = 1 - psr; |
|
1343 |
return per; |
|
1344 |
} |
|
1345 |
||
1346 |
||
1347 |
void |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2155
diff
changeset
|
1348 |
WifiPhy::EndSync (Ptr<Packet> packet, Ptr<RxEvent> event) |
1889 | 1349 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2782
diff
changeset
|
1350 |
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
|
1351 |
NS_ASSERT (IsStateSync ()); |
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
1352 |
NS_ASSERT (event->GetEndTime () == Simulator::Now ()); |
1889 | 1353 |
|
1354 |
NiChanges ni; |
|
1355 |
double noiseInterferenceW = CalculateNoiseInterferenceW (event, &ni); |
|
1356 |
double snr = CalculateSnr (event->GetRxPowerW (), |
|
1357 |
noiseInterferenceW, |
|
1891
add6fb8761f3
use WifiMode rather than TransmissionMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1890
diff
changeset
|
1358 |
event->GetPayloadMode ()); |
1889 | 1359 |
|
1360 |
/* calculate the SNIR at the start of the packet and accumulate |
|
1361 |
* all SNIR changes in the snir vector. |
|
1362 |
*/ |
|
1363 |
double per = CalculatePer (event, &ni); |
|
2164
6e347fdbfa4a
avoid confusion between code and uncoded rates.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2159
diff
changeset
|
1364 |
NS_LOG_DEBUG ("mode="<<(event->GetPayloadMode ().GetDataRate ())<< |
1979
d535a38b7fc4
convert TRACE to NS_LOG
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1978
diff
changeset
|
1365 |
", ber="<<(1-GetChunkSuccessRate (event->GetPayloadMode (), snr, 1))<< |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2155
diff
changeset
|
1366 |
", snr="<<snr<<", per="<<per<<", size="<<packet->GetSize ()); |
1889 | 1367 |
|
1368 |
if (m_random.GetValue () > per) |
|
1369 |
{ |
|
1370 |
NotifySyncEndOk (); |
|
1371 |
SwitchFromSync (); |
|
2659
38f50c9d55f4
make sure the trace hooks get a full packet as input.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2652
diff
changeset
|
1372 |
m_rxOkTrace (packet, snr, event->GetPayloadMode (), event->GetPreambleType ()); |
1920
1d4864775cf8
replace header mode with preamble mode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1919
diff
changeset
|
1373 |
m_syncOkCallback (packet, snr, event->GetPayloadMode (), event->GetPreambleType ()); |
1889 | 1374 |
} |
1375 |
else |
|
1376 |
{ |
|
1377 |
/* failure. */ |
|
1378 |
NotifySyncEndError (); |
|
1379 |
SwitchFromSync (); |
|
2659
38f50c9d55f4
make sure the trace hooks get a full packet as input.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2652
diff
changeset
|
1380 |
m_rxErrorTrace (packet, snr); |
1889 | 1381 |
m_syncErrorCallback (packet, snr); |
1382 |
} |
|
1383 |
} |
|
1384 |
||
1385 |
||
1386 |
||
1387 |
||
1977
4303409f3d8e
remove uneeded trailing ';'
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1974
diff
changeset
|
1388 |
} // namespace ns3 |