A Discrete-Event Network Simulator
API
wifi-phy-configuration.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2016 Tom Henderson
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Tom Henderson <tomh@tomh.org>
19  */
20 
21 // This example shows (and tests) some possible configurations for
22 // the Wi-Fi physical layer, particularly the interaction between
23 // WifiHelper.SetStandard () and the physical layer channel number,
24 // center frequency, and channel width.
25 
26 #include "ns3/log.h"
27 #include "ns3/command-line.h"
28 #include "ns3/config-store.h"
29 #include "ns3/config.h"
30 #include "ns3/boolean.h"
31 #include "ns3/uinteger.h"
32 #include "ns3/string.h"
33 #include "ns3/ssid.h"
34 #include "ns3/yans-wifi-phy.h"
35 #include "ns3/yans-wifi-helper.h"
36 #include "ns3/wifi-net-device.h"
37 
38 using namespace ns3;
39 
40 NS_LOG_COMPONENT_DEFINE ("WifiPhyConfigurationExample");
41 
42 Ptr<YansWifiPhy>
43 GetYansWifiPhyPtr (const NetDeviceContainer &nc)
44 {
45  Ptr<WifiNetDevice> wnd = nc.Get (0)->GetObject<WifiNetDevice> ();
46  Ptr<WifiPhy> wp = wnd->GetPhy ();
47  return wp->GetObject<YansWifiPhy> ();
48 }
49 
50 void
51 PrintAttributesIfEnabled (bool enabled)
52 {
53  if (enabled)
54  {
55  ConfigStore outputConfig;
56  outputConfig.ConfigureAttributes ();
57  }
58 }
59 
60 int main (int argc, char *argv[])
61 {
62  uint32_t testCase = 0;
63  bool printAttributes = false;
64  bool exceptionThrown = false;
65 
66  CommandLine cmd (__FILE__);
67  cmd.AddValue ("testCase", "Test case", testCase);
68  cmd.AddValue ("printAttributes", "If true, print out attributes", printAttributes);
69  cmd.Parse (argc, argv);
70 
71  NodeContainer wifiStaNode;
72  wifiStaNode.Create (1);
73  NodeContainer wifiApNode;
74  wifiApNode.Create (1);
75 
76  YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();
77  YansWifiPhyHelper phy;
78  phy.SetChannel (channel.Create ());
79  WifiHelper wifi;
80  wifi.SetRemoteStationManager ("ns3::IdealWifiManager");
81 
82  // Configure and declare other generic components of this example
83  Ssid ssid;
84  ssid = Ssid ("wifi-phy-configuration");
85  WifiMacHelper macSta;
86  macSta.SetType ("ns3::StaWifiMac",
87  "Ssid", SsidValue (ssid),
88  "ActiveProbing", BooleanValue (false));
89  WifiMacHelper macAp;
90  macAp.SetType ("ns3::ApWifiMac",
91  "Ssid", SsidValue (ssid),
92  "BeaconInterval", TimeValue (MicroSeconds (102400)),
93  "BeaconGeneration", BooleanValue (true));
94  NetDeviceContainer staDevice;
95  NetDeviceContainer apDevice;
96  Ptr<YansWifiPhy> phySta;
97  Config::SetDefault ("ns3::ConfigStore::Filename", StringValue ("output-attributes-" + std::to_string (testCase) + ".txt"));
98  Config::SetDefault ("ns3::ConfigStore::FileFormat", StringValue ("RawText"));
99  Config::SetDefault ("ns3::ConfigStore::Mode", StringValue ("Save"));
100 
101  switch (testCase)
102  {
103  case 0:
104  // Default configuration, without WifiHelper::SetStandard or WifiHelper
105  phySta = CreateObject<YansWifiPhy> ();
106  // The default results in an invalid configuration
107  NS_ASSERT (!phySta->GetOperatingChannel ().IsSet ());
108  PrintAttributesIfEnabled (printAttributes);
109  break;
110 
111  // The following cases test the setting of WifiPhyStandard alone;
112  // i.e. without further channel number/width/frequency configuration
113 
114  case 1:
115  // By default, WifiHelper will use WIFI_STANDARD_80211a
116  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
117  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
118  phySta = GetYansWifiPhyPtr (staDevice);
119  // We expect channel 36, width 20, frequency 5180
120  NS_ASSERT (phySta->GetChannelNumber () == 36);
121  NS_ASSERT (phySta->GetChannelWidth () == 20);
122  NS_ASSERT (phySta->GetFrequency () == 5180);
123  PrintAttributesIfEnabled (printAttributes);
124  break;
125  case 2:
126  wifi.SetStandard (WIFI_STANDARD_80211b);
127  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
128  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
129  phySta = GetYansWifiPhyPtr (staDevice);
130  // We expect channel 1, width 22, frequency 2412
131  NS_ASSERT (phySta->GetChannelNumber () == 1);
132  NS_ASSERT (phySta->GetChannelWidth () == 22);
133  NS_ASSERT (phySta->GetFrequency () == 2412);
134  PrintAttributesIfEnabled (printAttributes);
135  break;
136  case 3:
137  wifi.SetStandard (WIFI_STANDARD_80211g);
138  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
139  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
140  phySta = GetYansWifiPhyPtr (staDevice);
141  // We expect channel 1, width 20, frequency 2412
142  NS_ASSERT (phySta->GetChannelNumber () == 1);
143  NS_ASSERT (phySta->GetChannelWidth () == 20);
144  NS_ASSERT (phySta->GetFrequency () == 2412);
145  PrintAttributesIfEnabled (printAttributes);
146  break;
147  case 4:
148  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
149  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
150  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
151  phySta = GetYansWifiPhyPtr (staDevice);
152  // We expect channel 36, width 20, frequency 5180
153  NS_ASSERT (phySta->GetChannelNumber () == 36);
154  NS_ASSERT (phySta->GetChannelWidth () == 20);
155  NS_ASSERT (phySta->GetFrequency () == 5180);
156  PrintAttributesIfEnabled (printAttributes);
157  break;
158  case 5:
159  wifi.SetStandard (WIFI_STANDARD_80211n_2_4GHZ);
160  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
161  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
162  phySta = GetYansWifiPhyPtr (staDevice);
163  // We expect channel 1, width 20, frequency 2412
164  NS_ASSERT (phySta->GetChannelNumber () == 1);
165  NS_ASSERT (phySta->GetChannelWidth () == 20);
166  NS_ASSERT (phySta->GetFrequency () == 2412);
167  PrintAttributesIfEnabled (printAttributes);
168  break;
169  case 6:
170  wifi.SetStandard (WIFI_STANDARD_80211ac);
171  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
172  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
173  phySta = GetYansWifiPhyPtr (staDevice);
174  // We expect channel 42, width 80, frequency 5210
175  NS_ASSERT (phySta->GetChannelNumber () == 42);
176  NS_ASSERT (phySta->GetChannelWidth () == 80);
177  NS_ASSERT (phySta->GetFrequency () == 5210);
178  PrintAttributesIfEnabled (printAttributes);
179  break;
180  case 7:
181  wifi.SetStandard (WIFI_STANDARD_80211ax_2_4GHZ);
182  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
183  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
184  phySta = GetYansWifiPhyPtr (staDevice);
185  // We expect channel 1, width 20, frequency 2412
186  NS_ASSERT (phySta->GetChannelNumber () == 1);
187  NS_ASSERT (phySta->GetChannelWidth () == 20);
188  NS_ASSERT (phySta->GetFrequency () == 2412);
189  PrintAttributesIfEnabled (printAttributes);
190  break;
191  case 8:
192  wifi.SetStandard (WIFI_STANDARD_80211ax_5GHZ);
193  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
194  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
195  phySta = GetYansWifiPhyPtr (staDevice);
196  // We expect channel 42, width 80, frequency 5210
197  NS_ASSERT (phySta->GetChannelNumber () == 42);
198  NS_ASSERT (phySta->GetChannelWidth () == 80);
199  NS_ASSERT (phySta->GetFrequency () == 5210);
200  PrintAttributesIfEnabled (printAttributes);
201  break;
202  case 9:
203  wifi.SetStandard (WIFI_STANDARD_80211ax_6GHZ);
204  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
205  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
206  phySta = GetYansWifiPhyPtr (staDevice);
207  // We expect channel 7, width 80, frequency 5975
208  NS_ASSERT (phySta->GetChannelNumber () == 7);
209  NS_ASSERT (phySta->GetChannelWidth () == 80);
210  NS_ASSERT (phySta->GetFrequency () == 5975);
211  PrintAttributesIfEnabled (printAttributes);
212  break;
213  case 10:
214  wifi.SetStandard (WIFI_STANDARD_80211p);
215  phy.Set ("ChannelWidth", UintegerValue (10));
216  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
217  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
218  phySta = GetYansWifiPhyPtr (staDevice);
219  // We expect channel 172, width 10, frequency 5860
220  NS_ASSERT (phySta->GetChannelNumber () == 172);
221  NS_ASSERT (phySta->GetChannelWidth () == 10);
222  NS_ASSERT (phySta->GetFrequency () == 5860);
223  PrintAttributesIfEnabled (printAttributes);
224  break;
225  case 11:
226  wifi.SetStandard (WIFI_STANDARD_80211p);
227  phy.Set ("ChannelWidth", UintegerValue (5));
228  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
229  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
230  phySta = GetYansWifiPhyPtr (staDevice);
231  // We expect channel 171, width 5, frequency 5860
232  NS_ASSERT (phySta->GetChannelNumber () == 171);
233  NS_ASSERT (phySta->GetChannelWidth () == 5);
234  NS_ASSERT (phySta->GetFrequency () == 5860);
235  PrintAttributesIfEnabled (printAttributes);
236  break;
237  case 12:
238  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
239  phy.Set ("ChannelNumber", UintegerValue (44));
240  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
241  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
242  phySta = GetYansWifiPhyPtr (staDevice);
243  // We expect channel 44, width 20, frequency 5220
244  NS_ASSERT (phySta->GetChannelNumber () == 44);
245  NS_ASSERT (phySta->GetChannelWidth () == 20);
246  NS_ASSERT (phySta->GetFrequency () == 5220);
247  PrintAttributesIfEnabled (printAttributes);
248  break;
249  case 13:
250  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
251  phy.Set ("ChannelNumber", UintegerValue (44));
252  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
253  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
254  phySta = GetYansWifiPhyPtr (staDevice);
255  // Post-install reconfiguration to channel number 40
256  Config::Set ("/NodeList/0/DeviceList/*/$ns3::WifiNetDevice/Phy/$ns3::YansWifiPhy/ChannelNumber", UintegerValue (40));
257  Config::Set ("/NodeList/1/DeviceList/*/$ns3::WifiNetDevice/Phy/$ns3::YansWifiPhy/ChannelNumber", UintegerValue (40));
258  // We expect channel 40, width 20, frequency 5200
259  NS_ASSERT (phySta->GetChannelNumber () == 40);
260  NS_ASSERT (phySta->GetChannelWidth () == 20);
261  NS_ASSERT (phySta->GetFrequency () == 5200);
262  PrintAttributesIfEnabled (printAttributes);
263  break;
264  case 14:
265  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
266  phy.Set ("ChannelNumber", UintegerValue (44));
267  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
268  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
269  phySta = GetYansWifiPhyPtr (staDevice);
270  // Post-install reconfiguration to a 40 MHz channel
271  Config::Set ("/NodeList/0/DeviceList/*/$ns3::WifiNetDevice/Phy/$ns3::YansWifiPhy/ChannelNumber", UintegerValue (46));
272  Config::Set ("/NodeList/1/DeviceList/*/$ns3::WifiNetDevice/Phy/$ns3::YansWifiPhy/ChannelNumber", UintegerValue (46));
273  NS_ASSERT (phySta->GetChannelNumber () == 46);
274  NS_ASSERT (phySta->GetChannelWidth () == 40);
275  NS_ASSERT (phySta->GetFrequency () == 5230);
276  PrintAttributesIfEnabled (printAttributes);
277  break;
278  case 15:
279  Config::SetDefault ("ns3::WifiPhy::ChannelNumber", UintegerValue (44));
280  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
281  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
282  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
283  phySta = GetYansWifiPhyPtr (staDevice);
284  // Post-install reconfiguration to a 40 MHz channel
285  Config::Set ("/NodeList/0/DeviceList/*/$ns3::WifiNetDevice/Phy/$ns3::YansWifiPhy/ChannelNumber", UintegerValue (46));
286  Config::Set ("/NodeList/1/DeviceList/*/$ns3::WifiNetDevice/Phy/$ns3::YansWifiPhy/ChannelNumber", UintegerValue (46));
287  NS_ASSERT (phySta->GetChannelNumber () == 46);
288  NS_ASSERT (phySta->GetChannelWidth () == 40);
289  NS_ASSERT (phySta->GetFrequency () == 5230);
290  PrintAttributesIfEnabled (printAttributes);
291  break;
292  case 16:
293  // Test that setting Frequency to a non-standard value will throw an exception
294  Config::SetDefault ("ns3::WifiPhy::Frequency", UintegerValue (5281));
295  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
296  exceptionThrown = false;
297  try
298  {
299  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
300  }
301  catch (const std::runtime_error&)
302  {
303  exceptionThrown = true;
304  }
305  NS_ASSERT (exceptionThrown);
306  exceptionThrown = false;
307  try
308  {
309  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
310  }
311  catch (const std::runtime_error&)
312  {
313  exceptionThrown = true;
314  }
315  NS_ASSERT (exceptionThrown);
316  PrintAttributesIfEnabled (printAttributes);
317  break;
318  case 17:
319  // Test that setting Frequency to a standard value will set the
320  // channel number correctly
321  Config::SetDefault ("ns3::WifiPhy::Frequency", UintegerValue (5500));
322  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
323  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
324  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
325  phySta = GetYansWifiPhyPtr (staDevice);
326  // We expect channel number to be 100 due to frequency 5500
327  NS_ASSERT (phySta->GetChannelNumber () == 100);
328  NS_ASSERT (phySta->GetChannelWidth () == 20);
329  NS_ASSERT (phySta->GetFrequency () == 5500);
330  PrintAttributesIfEnabled (printAttributes);
331  break;
332  case 18:
333  // Set a wrong channel after initialization
334  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
335  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
336  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
337  phySta = GetYansWifiPhyPtr (staDevice);
338  exceptionThrown = false;
339  try
340  {
341  phySta->SetOperatingChannel (99, 5185, 40);
342  }
343  catch (const std::runtime_error&)
344  {
345  exceptionThrown = true;
346  }
347  NS_ASSERT (exceptionThrown);
348  PrintAttributesIfEnabled (printAttributes);
349  break;
350  case 19:
351  // Test how channel number behaves when frequency is non-standard
352  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
353  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
354  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
355  phySta = GetYansWifiPhyPtr (staDevice);
356  exceptionThrown = false;
357  try
358  {
359  phySta->SetAttribute ("Frequency", UintegerValue (5181));
360  }
361  catch (const std::runtime_error&)
362  {
363  exceptionThrown = true;
364  }
365  // We expect that an exception is thrown due to unknown center frequency 5181
366  NS_ASSERT (exceptionThrown);
367  phySta->SetAttribute ("Frequency", UintegerValue (5180));
368  // We expect channel number to be 36 due to known center frequency 5180
369  NS_ASSERT (phySta->GetChannelNumber () == 36);
370  NS_ASSERT (phySta->GetChannelWidth () == 20);
371  NS_ASSERT (phySta->GetFrequency () == 5180);
372  exceptionThrown = false;
373  try
374  {
375  phySta->SetAttribute ("Frequency", UintegerValue (5179));
376  }
377  catch (const std::runtime_error&)
378  {
379  exceptionThrown = true;
380  }
381  // We expect that an exception is thrown due to unknown center frequency 5179
382  NS_ASSERT (exceptionThrown);
383  phySta->SetAttribute ("ChannelNumber", UintegerValue (36));
384  NS_ASSERT (phySta->GetChannelNumber () == 36);
385  NS_ASSERT (phySta->GetChannelWidth () == 20);
386  NS_ASSERT (phySta->GetFrequency () == 5180);
387  PrintAttributesIfEnabled (printAttributes);
388  break;
389  case 20:
390  // Set both channel and frequency to consistent values before initialization
391  Config::SetDefault ("ns3::WifiPhy::Frequency", UintegerValue (5200));
392  Config::SetDefault ("ns3::WifiPhy::ChannelNumber", UintegerValue (40));
393  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
394  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
395  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
396  phySta = GetYansWifiPhyPtr (staDevice);
397  NS_ASSERT (phySta->GetChannelNumber () == 40);
398  NS_ASSERT (phySta->GetChannelWidth () == 20);
399  NS_ASSERT (phySta->GetFrequency () == 5200);
400  // Set both channel and frequency to consistent values after initialization
401  wifi.SetStandard (WIFI_STANDARD_80211n_5GHZ);
402  staDevice = wifi.Install (phy, macSta, wifiStaNode.Get (0));
403  apDevice = wifi.Install (phy, macAp, wifiApNode.Get (0));
404  phySta = GetYansWifiPhyPtr (staDevice);
405  phySta->SetAttribute ("Frequency", UintegerValue (5200));
406  phySta->SetAttribute ("ChannelNumber", UintegerValue (40));
407  NS_ASSERT (phySta->GetChannelNumber () == 40);
408  NS_ASSERT (phySta->GetChannelWidth () == 20);
409  NS_ASSERT (phySta->GetFrequency () == 5200);
410  // Set both channel and frequency to inconsistent values
411  phySta->SetAttribute ("Frequency", UintegerValue (5200));
412  phySta->SetAttribute ("ChannelNumber", UintegerValue (36));
413  // We expect channel number to be 36
414  NS_ASSERT (phySta->GetChannelNumber () == 36);
415  NS_ASSERT (phySta->GetChannelWidth () == 20);
416  NS_ASSERT (phySta->GetFrequency () == 5180);
417  phySta->SetAttribute ("ChannelNumber", UintegerValue (36));
418  phySta->SetAttribute ("Frequency", UintegerValue (5200));
419  // We expect channel number to be 40
420  NS_ASSERT (phySta->GetChannelNumber () == 40);
421  NS_ASSERT (phySta->GetChannelWidth () == 20);
422  NS_ASSERT (phySta->GetFrequency () == 5200);
423  exceptionThrown = false;
424  try
425  {
426  phySta->SetAttribute ("Frequency", UintegerValue (5179));
427  }
428  catch (const std::runtime_error&)
429  {
430  exceptionThrown = true;
431  }
432  phySta->SetAttribute ("ChannelNumber", UintegerValue (36));
433  // We expect channel number to be 36 and an exception to be thrown
434  NS_ASSERT (phySta->GetChannelNumber () == 36);
435  NS_ASSERT (phySta->GetChannelWidth () == 20);
436  NS_ASSERT (phySta->GetFrequency () == 5180);
437  NS_ASSERT (exceptionThrown);
438  phySta->SetAttribute ("ChannelNumber", UintegerValue (36));
439  exceptionThrown = false;
440  try
441  {
442  phySta->SetAttribute ("Frequency", UintegerValue (5179));
443  }
444  catch (const std::runtime_error&)
445  {
446  exceptionThrown = true;
447  }
448  // We expect channel number to be 36 and an exception to be thrown
449  NS_ASSERT (phySta->GetChannelNumber () == 36);
450  NS_ASSERT (phySta->GetChannelWidth () == 20);
451  NS_ASSERT (phySta->GetFrequency () == 5180);
452  NS_ASSERT (exceptionThrown);
453  PrintAttributesIfEnabled (printAttributes);
454  break;
455  default:
456  std::cerr << "Invalid testcase number " << testCase << std::endl;
457  exit (1);
458  break;
459  }
460 
461  // No need to Simulator::Run (); this is a configuration example
462  Simulator::Destroy ();
463 }
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:37
ns3::CommandLine
Parse command-line arguments.
Definition: command-line.h:228
ns3::ConfigStore
Introspection did not find any typical Config paths.
Definition: config-store.h:60
ns3::ConfigStore::ConfigureAttributes
void ConfigureAttributes(void)
Configure the attribute values.
Definition: config-store.cc:164
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:42
ns3::NetDeviceContainer::Get
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
Definition: net-device-container.cc:62
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:39
ns3::NodeContainer::Create
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Definition: node-container.cc:98
ns3::NodeContainer::Get
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Definition: node-container.cc:93
ns3::ObjectBase::SetAttribute
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:185
ns3::Object::GetObject
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
ns3::Simulator::Destroy
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:136
ns3::Ssid
The IEEE 802.11 SSID Information Element.
Definition: ssid.h:36
ns3::SsidValue
AttributeValue implementation for Ssid.
Definition: ssid.h:105
ns3::StringValue
Hold variables of type string.
Definition: string.h:41
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:1353
ns3::UintegerValue
Hold an unsigned integer type.
Definition: uinteger.h:44
ns3::WifiHelper
helps to create WifiNetDevice objects
Definition: wifi-helper.h:327
ns3::WifiMacHelper
create MAC layers for a ns3::WifiNetDevice.
Definition: wifi-mac-helper.h:48
ns3::WifiMacHelper::SetType
void SetType(std::string type, Args &&... args)
Definition: wifi-mac-helper.h:130
ns3::WifiNetDevice
Hold together all Wifi-related objects.
Definition: wifi-net-device.h:54
ns3::WifiNetDevice::GetPhy
Ptr< WifiPhy > GetPhy(void) const
Definition: wifi-net-device.cc:207
ns3::WifiPhy::GetChannelNumber
uint8_t GetChannelNumber(void) const
Return current channel number.
Definition: wifi-phy.cc:1199
ns3::WifiPhy::GetOperatingChannel
const WifiPhyOperatingChannel & GetOperatingChannel(void) const
Get a const reference to the operating channel.
Definition: wifi-phy.cc:1137
ns3::WifiPhy::SetOperatingChannel
void SetOperatingChannel(uint8_t number, uint16_t frequency, uint16_t width)
Set the operating channel according to the specified parameters.
Definition: wifi-phy.cc:1256
ns3::WifiPhy::GetChannelWidth
uint16_t GetChannelWidth(void) const
Definition: wifi-phy.cc:1233
ns3::WifiPhy::GetFrequency
uint16_t GetFrequency(void) const
Definition: wifi-phy.cc:1168
ns3::WifiPhyOperatingChannel::IsSet
bool IsSet(void) const
Return true if a valid channel has been set, false otherwise.
Definition: wifi-phy-operating-channel.cc:43
ns3::YansWifiChannelHelper
manage and create wifi channel objects for the YANS model.
Definition: yans-wifi-helper.h:37
ns3::YansWifiChannelHelper::Default
static YansWifiChannelHelper Default(void)
Create a channel helper in a default working state.
Definition: yans-wifi-helper.cc:41
ns3::YansWifiPhyHelper
Make it easy to create and manage PHY objects for the YANS model.
Definition: yans-wifi-helper.h:161
ns3::YansWifiPhy
802.11 PHY layer model
Definition: yans-wifi-phy.h:48
NS_ASSERT
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition: assert.h:67
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:849
ns3::Config::Set
void Set(std::string path, const AttributeValue &value)
Definition: config.cc:839
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
ns3::MicroSeconds
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1305
ns3::WIFI_STANDARD_80211n_5GHZ
@ WIFI_STANDARD_80211n_5GHZ
Definition: wifi-standards.h:144
ns3::WIFI_STANDARD_80211ax_5GHZ
@ WIFI_STANDARD_80211ax_5GHZ
Definition: wifi-standards.h:147
ns3::WIFI_STANDARD_80211p
@ WIFI_STANDARD_80211p
Definition: wifi-standards.h:142
ns3::WIFI_STANDARD_80211n_2_4GHZ
@ WIFI_STANDARD_80211n_2_4GHZ
Definition: wifi-standards.h:143
ns3::WIFI_STANDARD_80211g
@ WIFI_STANDARD_80211g
Definition: wifi-standards.h:141
ns3::WIFI_STANDARD_80211ax_2_4GHZ
@ WIFI_STANDARD_80211ax_2_4GHZ
Definition: wifi-standards.h:146
ns3::WIFI_STANDARD_80211ax_6GHZ
@ WIFI_STANDARD_80211ax_6GHZ
Definition: wifi-standards.h:148
ns3::WIFI_STANDARD_80211ac
@ WIFI_STANDARD_80211ac
Definition: wifi-standards.h:145
ns3::WIFI_STANDARD_80211b
@ WIFI_STANDARD_80211b
Definition: wifi-standards.h:140
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
second.cmd
cmd
Definition: second.py:35
third.ssid
ssid
Definition: third.py:100
third.channel
channel
Definition: third.py:92
third.wifi
wifi
Definition: third.py:96
third.wifiApNode
wifiApNode
Definition: third.py:90
third.phy
phy
Definition: third.py:93
GetYansWifiPhyPtr
Ptr< YansWifiPhy > GetYansWifiPhyPtr(const NetDeviceContainer &nc)
Definition: wifi-phy-configuration.cc:43
PrintAttributesIfEnabled
void PrintAttributesIfEnabled(bool enabled)
Definition: wifi-phy-configuration.cc:51