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A Discrete-Event Network Simulator
API
tx-duration-test.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 CTTC
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  * Authors: Nicola Baldo <nbaldo@cttc.es>
19  * Sébastien Deronne <sebastien.deronne@gmail.com>
20  */
21 
22 #include <ns3/object.h>
23 #include <ns3/log.h>
24 #include <ns3/test.h>
25 #include <iostream>
26 #include "ns3/interference-helper.h"
27 #include "ns3/yans-wifi-phy.h"
28 
29 using namespace ns3;
30 
31 NS_LOG_COMPONENT_DEFINE ("InterferenceHelperTxDurationTest");
32 
33 static const double CHANNEL_1_MHZ = 2412.0; // a 2.4 GHz center frequency (MHz)
34 static const double CHANNEL_36_MHZ = 5180.0; // a 5 GHz center frequency (MHz)
35 
36 class TxDurationTest : public TestCase
37 {
38 public:
39  TxDurationTest ();
40  virtual ~TxDurationTest ();
41  virtual void DoRun (void);
42 
43 
44 private:
57  bool CheckPayloadDuration (uint32_t size, WifiMode payloadMode, uint32_t channelWidth, bool isShortGuardInterval, WifiPreamble preamble, uint32_t knownDurationMicroSeconds);
58 
72  bool CheckTxDuration (uint32_t size, WifiMode payloadMode, uint32_t channelWidth, bool isShortGuardInterval, WifiPreamble preamble, double knownDurationMicroSeconds);
73 
74 };
75 
76 TxDurationTest::TxDurationTest ()
77  : TestCase ("Wifi TX Duration")
78 {
79 }
80 
81 TxDurationTest::~TxDurationTest ()
82 {
83 }
84 
85 bool
86 TxDurationTest::CheckPayloadDuration (uint32_t size, WifiMode payloadMode, uint32_t channelWidth, bool isShortGuardInterval, WifiPreamble preamble, uint32_t knownDurationMicroSeconds)
87 {
88  WifiTxVector txVector;
89  txVector.SetMode (payloadMode);
90  txVector.SetChannelWidth (channelWidth);
91  txVector.SetShortGuardInterval (isShortGuardInterval);
92  txVector.SetNss (1);
93  txVector.SetStbc (0);
94  txVector.SetNess (0);
95  double testedFrequency = CHANNEL_1_MHZ;
96  Ptr<YansWifiPhy> phy = CreateObject<YansWifiPhy> ();
97  if (payloadMode.GetModulationClass () == WIFI_MOD_CLASS_OFDM
98  || payloadMode.GetModulationClass () == WIFI_MOD_CLASS_HT
99  || payloadMode.GetModulationClass () == WIFI_MOD_CLASS_VHT)
100  {
101  testedFrequency = CHANNEL_36_MHZ;
102  }
103  double calculatedDurationMicroSeconds = (double)phy->GetPayloadDuration (size, txVector, preamble, testedFrequency, NORMAL_MPDU, 0).GetMicroSeconds ();
104  if (calculatedDurationMicroSeconds != knownDurationMicroSeconds)
105  {
106  std::cerr << " size=" << size
107  << " mode=" << payloadMode
108  << " datarate=" << payloadMode.GetDataRate (channelWidth, isShortGuardInterval, 1)
109  << " known=" << knownDurationMicroSeconds
110  << " calculated=" << calculatedDurationMicroSeconds
111  << std::endl;
112  return false;
113  }
114  if (payloadMode.GetModulationClass () == WIFI_MOD_CLASS_HT)
115  {
116  //Durations vary depending on frequency; test also 2.4 GHz (bug 1971)
117  testedFrequency = CHANNEL_1_MHZ;
118  calculatedDurationMicroSeconds = (double)phy->GetPayloadDuration (size, txVector, preamble, testedFrequency, NORMAL_MPDU, 0).GetMicroSeconds ();
119  if (calculatedDurationMicroSeconds != knownDurationMicroSeconds + 6)
120  {
121  std::cerr << " size=" << size
122  << " mode=" << payloadMode
123  << " datarate=" << payloadMode.GetDataRate (channelWidth, isShortGuardInterval, 1)
124  << " known=" << knownDurationMicroSeconds
125  << " calculated=" << calculatedDurationMicroSeconds
126  << std::endl;
127  return false;
128  }
129  }
130  return true;
131 }
132 
133 bool
134 TxDurationTest::CheckTxDuration (uint32_t size, WifiMode payloadMode, uint32_t channelWidth, bool isShortGuardInterval, WifiPreamble preamble, double knownDurationMicroSeconds)
135 {
136  WifiTxVector txVector;
137  txVector.SetMode (payloadMode);
138  txVector.SetChannelWidth (channelWidth);
139  txVector.SetShortGuardInterval (isShortGuardInterval);
140  txVector.SetNss (1);
141  txVector.SetStbc (0);
142  txVector.SetNess (0);
143  double testedFrequency = CHANNEL_1_MHZ;
144  Ptr<YansWifiPhy> phy = CreateObject<YansWifiPhy> ();
145  if (payloadMode.GetModulationClass () == WIFI_MOD_CLASS_OFDM
146  || payloadMode.GetModulationClass () == WIFI_MOD_CLASS_HT
147  || payloadMode.GetModulationClass () == WIFI_MOD_CLASS_VHT)
148  {
149  testedFrequency = CHANNEL_36_MHZ;
150  }
151  double calculatedDurationMicroSeconds = ((double)phy->CalculateTxDuration (size, txVector, preamble, testedFrequency, NORMAL_MPDU, 0).GetNanoSeconds ()) / 1000;
152  if (calculatedDurationMicroSeconds != knownDurationMicroSeconds)
153  {
154  std::cerr << " size=" << size
155  << " mode=" << payloadMode
156  << " datarate=" << payloadMode.GetDataRate (channelWidth, isShortGuardInterval, 1)
157  << " preamble=" << preamble
158  << " known=" << knownDurationMicroSeconds
159  << " calculated=" << calculatedDurationMicroSeconds
160  << std::endl;
161  return false;
162  }
163  if (payloadMode.GetModulationClass () == WIFI_MOD_CLASS_HT)
164  {
165  //Durations vary depending on frequency; test also 2.4 GHz (bug 1971)
166  testedFrequency = CHANNEL_1_MHZ;
167  calculatedDurationMicroSeconds = ((double)phy->CalculateTxDuration (size, txVector, preamble, testedFrequency, NORMAL_MPDU, 0).GetNanoSeconds ()) / 1000;
168  if (calculatedDurationMicroSeconds != knownDurationMicroSeconds + 6)
169  {
170  std::cerr << " size=" << size
171  << " mode=" << payloadMode
172  << " datarate=" << payloadMode.GetDataRate (channelWidth, isShortGuardInterval, 1)
173  << " preamble=" << preamble
174  << " known=" << knownDurationMicroSeconds
175  << " calculated=" << calculatedDurationMicroSeconds
176  << std::endl;
177  return false;
178  }
179  }
180  return true;
181 }
182 
183 void
184 TxDurationTest::DoRun (void)
185 {
186  bool retval = true;
187 
188  //IEEE Std 802.11-2007 Table 18-2 "Example of LENGTH calculations for CCK"
189  retval = retval
190  && CheckPayloadDuration (1023, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 744)
191  && CheckPayloadDuration (1024, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 745)
192  && CheckPayloadDuration (1025, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 746)
193  && CheckPayloadDuration (1026, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 747);
194 
195  NS_TEST_EXPECT_MSG_EQ (retval, true, "an 802.11b CCK duration failed");
196 
197  //Similar, but we add PLCP preamble and header durations
198  //and we test different rates.
199  //The payload durations for modes other than 11mbb have been
200  //calculated by hand according to IEEE Std 802.11-2007 18.2.3.5
201  retval = retval
202  && CheckTxDuration (1023, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 744 + 96)
203  && CheckTxDuration (1024, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 745 + 96)
204  && CheckTxDuration (1025, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 746 + 96)
205  && CheckTxDuration (1026, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 747 + 96)
206  && CheckTxDuration (1023, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 744 + 192)
207  && CheckTxDuration (1024, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 745 + 192)
208  && CheckTxDuration (1025, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 746 + 192)
209  && CheckTxDuration (1026, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 747 + 192)
210  && CheckTxDuration (1023, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 1488 + 96)
211  && CheckTxDuration (1024, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 1490 + 96)
212  && CheckTxDuration (1025, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 1491 + 96)
213  && CheckTxDuration (1026, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 1493 + 96)
214  && CheckTxDuration (1023, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_LONG, 1488 + 192)
215  && CheckTxDuration (1024, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_LONG, 1490 + 192)
216  && CheckTxDuration (1025, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_LONG, 1491 + 192)
217  && CheckTxDuration (1026, WifiPhy::GetDsssRate5_5Mbps (), 22, false, WIFI_PREAMBLE_LONG, 1493 + 192)
218  && CheckTxDuration (1023, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 4092 + 96)
219  && CheckTxDuration (1024, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 4096 + 96)
220  && CheckTxDuration (1025, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 4100 + 96)
221  && CheckTxDuration (1026, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 4104 + 96)
222  && CheckTxDuration (1023, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_LONG, 4092 + 192)
223  && CheckTxDuration (1024, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_LONG, 4096 + 192)
224  && CheckTxDuration (1025, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_LONG, 4100 + 192)
225  && CheckTxDuration (1026, WifiPhy::GetDsssRate2Mbps (), 22, false, WIFI_PREAMBLE_LONG, 4104 + 192)
226  && CheckTxDuration (1023, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 8184 + 192)
227  && CheckTxDuration (1024, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 8192 + 192)
228  && CheckTxDuration (1025, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 8200 + 192)
229  && CheckTxDuration (1026, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_SHORT, 8208 + 192)
230  && CheckTxDuration (1023, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_LONG, 8184 + 192)
231  && CheckTxDuration (1024, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_LONG, 8192 + 192)
232  && CheckTxDuration (1025, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_LONG, 8200 + 192)
233  && CheckTxDuration (1026, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_LONG, 8208 + 192);
234 
235 
236  //values from http://mailman.isi.edu/pipermail/ns-developers/2009-July/006226.html
237  retval = retval && CheckTxDuration (14, WifiPhy::GetDsssRate1Mbps (), 22, false, WIFI_PREAMBLE_LONG, 304);
238 
239  //values from http://www.oreillynet.com/pub/a/wireless/2003/08/08/wireless_throughput.html
240  retval = retval
241  && CheckTxDuration (1536, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 1310)
242  && CheckTxDuration (76, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 248)
243  && CheckTxDuration (14, WifiPhy::GetDsssRate11Mbps (), 22, false, WIFI_PREAMBLE_LONG, 203);
244 
245  NS_TEST_EXPECT_MSG_EQ (retval, true, "an 802.11b duration failed");
246 
247  //802.11a durations
248  //values from http://www.oreillynet.com/pub/a/wireless/2003/08/08/wireless_throughput.html
249  retval = retval
250  && CheckTxDuration (1536, WifiPhy::GetOfdmRate54Mbps (), 20, false, WIFI_PREAMBLE_LONG, 248)
251  && CheckTxDuration (76, WifiPhy::GetOfdmRate54Mbps (), 20, false, WIFI_PREAMBLE_LONG, 32)
252  && CheckTxDuration (14, WifiPhy::GetOfdmRate54Mbps (), 20, false, WIFI_PREAMBLE_LONG, 24);
253 
254  NS_TEST_EXPECT_MSG_EQ (retval, true, "an 802.11a duration failed");
255 
256  //802.11g durations are same as 802.11a durations but with 6 us signal extension
257  retval = retval
258  && CheckTxDuration (1536, WifiPhy::GetErpOfdmRate54Mbps (), 20, false, WIFI_PREAMBLE_LONG, 254)
259  && CheckTxDuration (76, WifiPhy::GetErpOfdmRate54Mbps (), 20, false, WIFI_PREAMBLE_LONG, 38)
260  && CheckTxDuration (14, WifiPhy::GetErpOfdmRate54Mbps (), 20, false, WIFI_PREAMBLE_LONG, 30);
261 
262  NS_TEST_EXPECT_MSG_EQ (retval, true, "an 802.11g duration failed");
263 
264  //802.11n durations
265  retval = retval
266  && CheckTxDuration (1536, WifiPhy::GetHtMcs7 (), 20, false, WIFI_PREAMBLE_HT_MF, 228)
267  && CheckTxDuration (76, WifiPhy::GetHtMcs7 (), 20, false, WIFI_PREAMBLE_HT_MF, 48)
268  && CheckTxDuration (14, WifiPhy::GetHtMcs7 (), 20, false, WIFI_PREAMBLE_HT_MF, 40)
269  && CheckTxDuration (1536, WifiPhy::GetHtMcs7 (), 20, false, WIFI_PREAMBLE_HT_GF, 220)
270  && CheckTxDuration (76, WifiPhy::GetHtMcs7 (), 20, false, WIFI_PREAMBLE_HT_GF, 40)
271  && CheckTxDuration (14, WifiPhy::GetHtMcs7 (), 20, false, WIFI_PREAMBLE_HT_GF, 32)
272  && CheckTxDuration (1536, WifiPhy::GetHtMcs0 (), 20, true, WIFI_PREAMBLE_HT_MF, 1742.4)
273  && CheckTxDuration (76, WifiPhy::GetHtMcs0 (), 20, true, WIFI_PREAMBLE_HT_MF, 126)
274  && CheckTxDuration (14, WifiPhy::GetHtMcs0 (), 20, true, WIFI_PREAMBLE_HT_MF, 57.6)
275  && CheckTxDuration (1536,WifiPhy::GetHtMcs0 (), 20, true, WIFI_PREAMBLE_HT_GF, 1734.4)
276  && CheckTxDuration (76, WifiPhy::GetHtMcs0 (), 20, true, WIFI_PREAMBLE_HT_GF, 118)
277  && CheckTxDuration (14, WifiPhy::GetHtMcs0 (), 20, true, WIFI_PREAMBLE_HT_GF, 49.6)
278  && CheckTxDuration (1536, WifiPhy::GetHtMcs6 (), 20, true, WIFI_PREAMBLE_HT_MF, 226.8)
279  && CheckTxDuration (76, WifiPhy::GetHtMcs6 (), 20, true, WIFI_PREAMBLE_HT_MF, 46.8)
280  && CheckTxDuration (14, WifiPhy::GetHtMcs6 (), 20, true, WIFI_PREAMBLE_HT_MF, 39.6)
281  && CheckTxDuration (1536, WifiPhy::GetHtMcs6 (), 20, true, WIFI_PREAMBLE_HT_GF, 218.8)
282  && CheckTxDuration (76, WifiPhy::GetHtMcs6 (), 20, true, WIFI_PREAMBLE_HT_GF, 38.8)
283  && CheckTxDuration (14, WifiPhy::GetHtMcs6 (), 20, true, WIFI_PREAMBLE_HT_GF, 31.6)
284  && CheckTxDuration (1536, WifiPhy::GetHtMcs7 (), 40, false, WIFI_PREAMBLE_HT_MF, 128)
285  && CheckTxDuration (76, WifiPhy::GetHtMcs7 (), 40, false, WIFI_PREAMBLE_HT_MF, 44)
286  && CheckTxDuration (14, WifiPhy::GetHtMcs7 (), 40, false, WIFI_PREAMBLE_HT_MF, 40)
287  && CheckTxDuration (1536, WifiPhy::GetHtMcs7 (), 40, false, WIFI_PREAMBLE_HT_GF, 120)
288  && CheckTxDuration (76, WifiPhy::GetHtMcs7 (), 40, false, WIFI_PREAMBLE_HT_GF, 36)
289  && CheckTxDuration (14, WifiPhy::GetHtMcs7 (), 40, false, WIFI_PREAMBLE_HT_GF, 32)
290  && CheckTxDuration (1536, WifiPhy::GetHtMcs7 (), 40, true, WIFI_PREAMBLE_HT_MF, 118.8)
291  && CheckTxDuration (76, WifiPhy::GetHtMcs7 (), 40, true, WIFI_PREAMBLE_HT_MF, 43.2)
292  && CheckTxDuration (14, WifiPhy::GetHtMcs7 (), 40, true, WIFI_PREAMBLE_HT_MF, 39.6)
293  && CheckTxDuration (1536, WifiPhy::GetHtMcs7 (), 40, true, WIFI_PREAMBLE_HT_GF, 110.8)
294  && CheckTxDuration (76, WifiPhy::GetHtMcs7 (), 40, true, WIFI_PREAMBLE_HT_GF, 35.2)
295  && CheckTxDuration (14, WifiPhy::GetHtMcs7 (), 40, true, WIFI_PREAMBLE_HT_GF, 31.6);
296 
297  NS_TEST_EXPECT_MSG_EQ (retval, true, "an 802.11n duration failed");
298 
299  //802.11ac durations
300  retval = retval
301  && CheckTxDuration (1536, WifiPhy::GetVhtMcs8 (), 20, false, WIFI_PREAMBLE_VHT, 200)
302  && CheckTxDuration (76, WifiPhy::GetVhtMcs8 (), 20, false, WIFI_PREAMBLE_VHT, 52)
303  && CheckTxDuration (14, WifiPhy::GetVhtMcs8 (), 20, false, WIFI_PREAMBLE_VHT, 44)
304  && CheckTxDuration (1536, WifiPhy::GetVhtMcs8 (), 20, true, WIFI_PREAMBLE_VHT, 184)
305  && CheckTxDuration (76, WifiPhy::GetVhtMcs8 (), 20, true, WIFI_PREAMBLE_VHT, 50.8)
306  && CheckTxDuration (14, WifiPhy::GetVhtMcs8 (), 20, true, WIFI_PREAMBLE_VHT, 43.6)
307  && CheckTxDuration (1536, WifiPhy::GetVhtMcs9 (), 40, false, WIFI_PREAMBLE_VHT, 112)
308  && CheckTxDuration (76, WifiPhy::GetVhtMcs9 (), 40, false, WIFI_PREAMBLE_VHT, 44)
309  && CheckTxDuration (14, WifiPhy::GetVhtMcs9 (), 40, false, WIFI_PREAMBLE_VHT, 44)
310  && CheckTxDuration (1536, WifiPhy::GetVhtMcs9 (), 40, true, WIFI_PREAMBLE_VHT, 104.8)
311  && CheckTxDuration (76, WifiPhy::GetVhtMcs9 (), 40, true, WIFI_PREAMBLE_VHT, 43.6)
312  && CheckTxDuration (14, WifiPhy::GetVhtMcs9 (), 40, true, WIFI_PREAMBLE_VHT, 43.6)
313  && CheckTxDuration (1536, WifiPhy::GetVhtMcs0 (), 80, false, WIFI_PREAMBLE_VHT, 464)
314  && CheckTxDuration (76, WifiPhy::GetVhtMcs0 (), 80, false, WIFI_PREAMBLE_VHT, 64)
315  && CheckTxDuration (14, WifiPhy::GetVhtMcs0 (), 80, false, WIFI_PREAMBLE_VHT, 48)
316  && CheckTxDuration (1536, WifiPhy::GetVhtMcs0 (), 80, true, WIFI_PREAMBLE_VHT, 421.6)
317  && CheckTxDuration (76, WifiPhy::GetVhtMcs0 (), 80, true, WIFI_PREAMBLE_VHT, 61.6)
318  && CheckTxDuration (14, WifiPhy::GetVhtMcs0 (), 80, true, WIFI_PREAMBLE_VHT, 47.2)
319  && CheckTxDuration (1536, WifiPhy::GetVhtMcs9 (), 80, false, WIFI_PREAMBLE_VHT, 72)
320  && CheckTxDuration (76, WifiPhy::GetVhtMcs9 (), 80, false, WIFI_PREAMBLE_VHT, 44)
321  && CheckTxDuration (14, WifiPhy::GetVhtMcs9 (), 80, false, WIFI_PREAMBLE_VHT, 44)
322  && CheckTxDuration (1536, WifiPhy::GetVhtMcs9 (), 80, true, WIFI_PREAMBLE_VHT, 68.8)
323  && CheckTxDuration (76, WifiPhy::GetVhtMcs9 (), 80, true, WIFI_PREAMBLE_VHT, 43.6)
324  && CheckTxDuration (14, WifiPhy::GetVhtMcs9 (), 80, true, WIFI_PREAMBLE_VHT, 43.6)
325  && CheckTxDuration (1536, WifiPhy::GetVhtMcs8 (), 160, false, WIFI_PREAMBLE_VHT, 60)
326  && CheckTxDuration (76, WifiPhy::GetVhtMcs8 (), 160, false, WIFI_PREAMBLE_VHT, 44)
327  && CheckTxDuration (14, WifiPhy::GetVhtMcs8 (), 160, false, WIFI_PREAMBLE_VHT, 44)
328  && CheckTxDuration (1536, WifiPhy::GetVhtMcs8 (), 160, true, WIFI_PREAMBLE_VHT, 58)
329  && CheckTxDuration (76, WifiPhy::GetVhtMcs8 (), 160, true, WIFI_PREAMBLE_VHT, 43.6)
330  && CheckTxDuration (14, WifiPhy::GetVhtMcs8 (), 160, true, WIFI_PREAMBLE_VHT, 43.6);
331 
332  NS_TEST_EXPECT_MSG_EQ (retval, true, "an 802.11ac duration failed");
333 }
334 
335 
336 class TxDurationTestSuite : public TestSuite
337 {
338 public:
339  TxDurationTestSuite ();
340 };
341 
342 TxDurationTestSuite::TxDurationTestSuite ()
343  : TestSuite ("devices-wifi-tx-duration", UNIT)
344 {
345  AddTestCase (new TxDurationTest, TestCase::QUICK);
346 }
347 
348 static TxDurationTestSuite g_txDurationTestSuite;
ns3::WifiTxVector::SetShortGuardInterval
void SetShortGuardInterval(bool guardinterval)
Sets if short gurad interval is being used.
Definition: wifi-tx-vector.cc:146
ns3::WifiTxVector
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
Definition: wifi-tx-vector.h:61
g_txDurationTestSuite
static TxDurationTestSuite g_txDurationTestSuite
Definition: tx-duration-test.cc:348
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1333
TxDurationTest::CheckPayloadDuration
bool CheckPayloadDuration(uint32_t size, WifiMode payloadMode, uint32_t channelWidth, bool isShortGuardInterval, WifiPreamble preamble, uint32_t knownDurationMicroSeconds)
Check if the payload tx duration returned by InterferenceHelper corresponds to a known value of the p...
Definition: tx-duration-test.cc:86
ns3::WifiMode::GetModulationClass
enum WifiModulationClass GetModulationClass() const
Definition: wifi-mode.cc:375
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
ns3::WifiTxVector::SetStbc
void SetStbc(bool stbc)
Sets if STBC is being used.
Definition: wifi-tx-vector.cc:170
NS_TEST_EXPECT_MSG_EQ
#define NS_TEST_EXPECT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report if not.
Definition: test.h:278
ns3::WIFI_MOD_CLASS_VHT
VHT PHY (Clause 22)
Definition: wifi-mode.h:62
ns3::TestCase
encapsulates test code
Definition: test.h:1147
ns3::WifiPhy::CalculateTxDuration
Time CalculateTxDuration(uint32_t size, WifiTxVector txVector, enum WifiPreamble preamble, double frequency, enum mpduType mpdutype, uint8_t incFlag)
Definition: wifi-phy.cc:605
ns3::WifiMode
represent a single transmission modeA WifiMode is implemented by a single integer which is used to lo...
Definition: wifi-mode.h:97
TxDurationTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: tx-duration-test.cc:184
ns3::WifiTxVector::SetChannelWidth
void SetChannelWidth(uint32_t channelWidth)
Sets the selected channelWidth (in MHz)
Definition: wifi-tx-vector.cc:140
ns3::WifiPreamble
WifiPreamble
The type of preamble to be used by an IEEE 802.11 transmission.
Definition: wifi-preamble.h:30
TxDurationTest::~TxDurationTest
virtual ~TxDurationTest()
Definition: tx-duration-test.cc:81
ns3::NORMAL_MPDU
The MPDU is not part of an A-MPDU.
Definition: wifi-phy.h:48
third.phy
tuple phy
Definition: third.py:86
ns3::Time::GetMicroSeconds
int64_t GetMicroSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:349
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, enum TestDuration duration)
Add an individual child TestCase to this test suite.
Definition: test.cc:297
ns3::WIFI_MOD_CLASS_HT
HT PHY (Clause 20)
Definition: wifi-mode.h:60
TxDurationTest::CheckTxDuration
bool CheckTxDuration(uint32_t size, WifiMode payloadMode, uint32_t channelWidth, bool isShortGuardInterval, WifiPreamble preamble, double knownDurationMicroSeconds)
Check if the overall tx duration returned by InterferenceHelper corresponds to a known value of the p...
Definition: tx-duration-test.cc:134
ns3::WIFI_PREAMBLE_VHT
Definition: wifi-preamble.h:36
ns3::WifiTxVector::SetNss
void SetNss(uint8_t nss)
Sets the number of Nss refer to IEEE 802.11n Table 20-28 for explanation and range.
Definition: wifi-tx-vector.cc:152
CHANNEL_1_MHZ
static const double CHANNEL_1_MHZ
Definition: tx-duration-test.cc:33
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::WIFI_PREAMBLE_LONG
Definition: wifi-preamble.h:32
ns3::WIFI_PREAMBLE_HT_GF
Definition: wifi-preamble.h:35
ns3::WifiMode::GetDataRate
uint64_t GetDataRate(uint32_t channelWidth, bool isShortGuardInterval, uint8_t nss) const
Definition: wifi-mode.cc:100
ns3::WifiPhy::GetPayloadDuration
Time GetPayloadDuration(uint32_t size, WifiTxVector txVector, WifiPreamble preamble, double frequency, enum mpduType mpdutype, uint8_t incFlag)
Definition: wifi-phy.cc:398
ns3::WifiTxVector::SetMode
void SetMode(WifiMode mode)
Sets the selected payload transmission mode.
Definition: wifi-tx-vector.cc:120
ns3::Time::GetNanoSeconds
int64_t GetNanoSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:353
ns3::WIFI_MOD_CLASS_OFDM
OFDM PHY (Clause 17)
Definition: wifi-mode.h:58
CHANNEL_36_MHZ
static const double CHANNEL_36_MHZ
Definition: tx-duration-test.cc:34
ns3::WifiTxVector::SetNess
void SetNess(uint8_t ness)
Sets the Ness number refer to IEEE 802.11n Table 20-6 for explanation.
Definition: wifi-tx-vector.cc:158
ns3::WIFI_PREAMBLE_SHORT
Definition: wifi-preamble.h:33
ns3::WIFI_PREAMBLE_HT_MF
Definition: wifi-preamble.h:34