A Discrete-Event Network Simulator
API
lte-test-pf-ff-mac-scheduler.cc
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1/*
2 * Copyright (c) 2011, 2012 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Author: Marco Miozzo <marco.miozzo@cttc.es>
18 * Nicola Baldo <nbaldo@cttc.es>
19 */
20
21#include "lte-test-pf-ff-mac-scheduler.h"
22
23#include "ns3/double.h"
24#include "ns3/radio-bearer-stats-calculator.h"
25#include "ns3/string.h"
26#include <ns3/boolean.h>
27#include <ns3/constant-position-mobility-model.h>
28#include <ns3/enum.h>
29#include <ns3/eps-bearer.h>
30#include <ns3/ff-mac-scheduler.h>
31#include <ns3/log.h>
32#include <ns3/lte-enb-net-device.h>
33#include <ns3/lte-enb-phy.h>
34#include <ns3/lte-helper.h>
35#include <ns3/lte-ue-net-device.h>
36#include <ns3/lte-ue-phy.h>
37#include <ns3/lte-ue-rrc.h>
38#include <ns3/mobility-helper.h>
39#include <ns3/net-device-container.h>
40#include <ns3/node-container.h>
41#include <ns3/object.h>
42#include <ns3/packet.h>
43#include <ns3/ptr.h>
44#include <ns3/simulator.h>
45#include <ns3/spectrum-error-model.h>
46#include <ns3/spectrum-interference.h>
47#include <ns3/test.h>
48
49#include <iostream>
50#include <sstream>
51#include <string>
52
53using namespace ns3;
54
55NS_LOG_COMPONENT_DEFINE("LenaTestPfFfMacScheduler");
56
57LenaTestPfFfMacSchedulerSuite::LenaTestPfFfMacSchedulerSuite()
58 : TestSuite("lte-pf-ff-mac-scheduler", SYSTEM)
59{
60 NS_LOG_INFO("creating LenaTestPfFfMacSchedulerSuite");
61
62 bool errorModel = false;
63
64 // Test Case 1: AMC works in PF
65
66 // DOWNLINK - DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
67 // 1 user -> 24 PRB at Itbs 26 -> 2196 -> 2196000 bytes/sec
68 // 3 users -> 2196000 among 3 users -> 732000 bytes/sec
69 // 6 users -> 2196000 among 6 users -> 366000 bytes/sec
70 // 12 users -> 2196000 among 12 users -> 183000 bytes/sec
71 // 15 users -> 2196000 among 15 users -> 146400 bytes/sec
72 // UPLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
73 // 1 user -> 25 PRB at Itbs 26 -> 2292 -> 2292000 bytes/sec
74 // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
75 // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
76 // after the patch enforcing min 3 PRBs per UE:
77 // 12 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/12 UE/TTI -> 184670 bytes/sec
78 // 15 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/15 UE/TTI -> 147730 bytes/sec
79 AddTestCase(new LenaPfFfMacSchedulerTestCase1(1, 0, 2196000, 2292000, errorModel),
80 TestCase::EXTENSIVE);
81 AddTestCase(new LenaPfFfMacSchedulerTestCase1(3, 0, 732000, 749000, errorModel),
82 TestCase::EXTENSIVE);
83 AddTestCase(new LenaPfFfMacSchedulerTestCase1(6, 0, 366000, 373000, errorModel),
84 TestCase::EXTENSIVE);
85 AddTestCase(new LenaPfFfMacSchedulerTestCase1(12, 0, 183000, 184670, errorModel),
86 TestCase::EXTENSIVE);
87 AddTestCase(new LenaPfFfMacSchedulerTestCase1(15, 0, 146400, 147730, errorModel),
88 TestCase::EXTENSIVE);
89
90 // DOWNLINK - DISTANCE 4800 -> MCS 22 -> Itbs 20 (from table 7.1.7.2.1-1 of 36.213)
91 // 1 user -> 24 PRB at Itbs 15 -> 1383 -> 1383000 bytes/sec
92 // 3 users -> 1383000 among 3 users -> 461000 bytes/sec
93 // 6 users -> 1383000 among 6 users -> 230500 bytes/sec
94 // 12 users -> 1383000 among 12 users -> 115250 bytes/sec
95 // 15 users -> 1383000 among 15 users -> 92200 bytes/sec
96 // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
97 // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
98 // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
99 // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
100 // after the patch enforcing min 3 PRBs per UE:
101 // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
102 // 15 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/15 UE/TTI -> 49600 bytes/sec
103 AddTestCase(new LenaPfFfMacSchedulerTestCase1(1, 4800, 1383000, 807000, errorModel),
104 TestCase::EXTENSIVE);
105 AddTestCase(new LenaPfFfMacSchedulerTestCase1(3, 4800, 461000, 253000, errorModel),
106 TestCase::EXTENSIVE);
107 AddTestCase(new LenaPfFfMacSchedulerTestCase1(6, 4800, 230500, 125000, errorModel),
108 TestCase::EXTENSIVE);
109 AddTestCase(new LenaPfFfMacSchedulerTestCase1(12, 4800, 115250, 62000, errorModel),
110 TestCase::EXTENSIVE);
111 AddTestCase(new LenaPfFfMacSchedulerTestCase1(15, 4800, 92200, 49600, errorModel),
112 TestCase::EXTENSIVE);
113
114 // DOWNLINK - DISTANCE 6000 -> MCS 20 -> Itbs 18 (from table 7.1.7.2.1-1 of 36.213)
115 // 1 user -> 24 PRB at Itbs 20 -> 1191 -> 1191000 bytes/sec
116 // 3 users -> 1191000 among 3 users -> 397000 bytes/sec
117 // 6 users -> 1191000 among 6 users -> 198500 bytes/sec
118 // 12 users -> 1191000 among 12 users -> 99250 bytes/sec
119 // 15 users -> 1191000 among 15 users -> 79400 bytes/sec
120 // UPLINK - DISTANCE 6000 -> MCS 12 -> Itbs 11 (from table 7.1.7.2.1-1 of 36.213)
121 // 1 user -> 25 PRB at Itbs 11 -> 621 -> 621000 bytes/sec
122 // 3 users -> 8 PRB at Itbs 11 -> 201 -> 201000 bytes/sec
123 // 6 users -> 4 PRB at Itbs 11 -> 97 -> 97000 bytes/sec
124 // after the patch enforcing min 3 PRBs per UE:
125 // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
126 // 15 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/15 UE/TTI -> 38993 bytes/sec
127 AddTestCase(new LenaPfFfMacSchedulerTestCase1(1, 6000, 1191000, 621000, errorModel),
128 TestCase::EXTENSIVE);
129 AddTestCase(new LenaPfFfMacSchedulerTestCase1(3, 6000, 397000, 201000, errorModel),
130 TestCase::EXTENSIVE);
131 AddTestCase(new LenaPfFfMacSchedulerTestCase1(6, 6000, 198500, 97000, errorModel),
132 TestCase::EXTENSIVE);
133 AddTestCase(new LenaPfFfMacSchedulerTestCase1(12, 6000, 99250, 48667, errorModel),
134 TestCase::EXTENSIVE);
135 AddTestCase(new LenaPfFfMacSchedulerTestCase1(15, 6000, 79400, 38993, errorModel),
136 TestCase::EXTENSIVE);
137
138 // DOWNLINK - DISTANCE 10000 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
139 // 1 user -> 24 PRB at Itbs 13 -> 871 -> 775000 bytes/sec
140 // 3 users -> 775000 among 3 users -> 258333 bytes/sec
141 // 6 users -> 775000 among 6 users -> 129167 bytes/sec
142 // 12 users -> 775000 among 12 users -> 64583 bytes/sec
143 // 15 users -> 775000 among 15 users -> 51667 bytes/sec
144 // UPLINK - DISTANCE 10000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
145 // 1 user -> 24 PRB at Itbs 8 -> 437 -> 437000 bytes/sec
146 // 3 users -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
147 // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
148 // after the patch enforcing min 3 PRBs per UE:
149 // 12 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/12 UE/TTI -> 32667 bytes/sec
150 // 15 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/15 UE/TTI -> 26133 bytes/sec
151 AddTestCase(new LenaPfFfMacSchedulerTestCase1(1, 10000, 775000, 437000, errorModel),
152 TestCase::EXTENSIVE);
153 AddTestCase(new LenaPfFfMacSchedulerTestCase1(3, 10000, 258333, 137000, errorModel),
154 TestCase::EXTENSIVE);
155 AddTestCase(new LenaPfFfMacSchedulerTestCase1(6, 10000, 129167, 67000, errorModel),
156 TestCase::EXTENSIVE);
157 AddTestCase(new LenaPfFfMacSchedulerTestCase1(12, 10000, 64583, 32667, errorModel),
158 TestCase::EXTENSIVE);
159 AddTestCase(new LenaPfFfMacSchedulerTestCase1(15, 10000, 51667, 26133, errorModel),
160 TestCase::EXTENSIVE);
161
162 // DONWLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
163 // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
164 // 3 users -> 421000 among 3 users -> 140333 bytes/sec
165 // 6 users -> 421000 among 6 users -> 70167 bytes/sec
166 // 12 users -> 421000 among 12 users -> 35083 bytes/sec
167 // 15 users -> 421000 among 15 users -> 28067 bytes/sec
168 // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
169 // 1 user -> 25 PRB at Itbs 2 -> 233 -> 137000 bytes/sec
170 // 3 users -> 8 PRB at Itbs 2 -> 69 -> 41000 bytes/sec
171 // 6 users -> 4 PRB at Itbs 2 -> 32 -> 22000 bytes/sec
172 // after the patch enforcing min 3 PRBs per UE:
173 // 12 users -> 3 PRB at Itbs 2 -> 26 bytes * 8/12 UE/TTI -> 12000 bytes/sec
174 // 15 users -> 3 PRB at Itbs 2 -> 26 bytes * 8/15 UE/TTI -> 9600 bytes/sec
175 AddTestCase(new LenaPfFfMacSchedulerTestCase1(1, 20000, 421000, 137000, errorModel),
176 TestCase::EXTENSIVE);
177 AddTestCase(new LenaPfFfMacSchedulerTestCase1(3, 20000, 140333, 41000, errorModel),
178 TestCase::EXTENSIVE);
179 AddTestCase(new LenaPfFfMacSchedulerTestCase1(6, 20000, 70167, 22000, errorModel),
180 TestCase::EXTENSIVE);
181 AddTestCase(new LenaPfFfMacSchedulerTestCase1(12, 20000, 35083, 12000, errorModel),
182 TestCase::EXTENSIVE);
183 AddTestCase(new LenaPfFfMacSchedulerTestCase1(15, 20000, 28067, 9600, errorModel),
184 TestCase::EXTENSIVE);
185
186 // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
187 // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
188 AddTestCase(new LenaPfFfMacSchedulerTestCase1(1, 100000, 0, 0, errorModel), TestCase::QUICK);
189
190 // Test Case 2: fairness check
191
192 std::vector<double> dist;
193 dist.push_back(0); // User 0 distance --> MCS 28
194 dist.push_back(4800); // User 1 distance --> MCS 22
195 dist.push_back(6000); // User 2 distance --> MCS 16
196 dist.push_back(10000); // User 3 distance --> MCS 8
197 dist.push_back(20000); // User 4 distance --> MCS 8
198 std::vector<uint32_t> estThrPfDl;
199 estThrPfDl.push_back(90000); // User 0 estimated TTI throughput from PF
200 estThrPfDl.push_back(37000); // User 1 estimated TTI throughput from PF
201 estThrPfDl.push_back(37000); // User 2 estimated TTI throughput from PF
202 estThrPfDl.push_back(17400); // User 3 estimated TTI throughput from PF
203 estThrPfDl.push_back(17400); // User 4 estimated TTI throughput from PF
204 std::vector<uint32_t> estThrPfUl;
205 estThrPfUl.push_back(469000); // User 0 estimated TTI throughput from PF
206 estThrPfUl.push_back(157000); // User 1 estimated TTI throughput from PF
207 estThrPfUl.push_back(125000); // User 2 estimated TTI throughput from PF
208 estThrPfUl.push_back(85000); // User 3 estimated TTI throughput from PF
209 estThrPfUl.push_back(26000); // User 4 estimated TTI throughput from PF
210 AddTestCase(new LenaPfFfMacSchedulerTestCase2(dist, estThrPfDl, estThrPfUl, errorModel),
211 TestCase::QUICK);
212}
213
214static LenaTestPfFfMacSchedulerSuite lenaTestPfFfMacSchedulerSuite;
215
216// --------------- T E S T - C A S E # 1 ------------------------------
217
218std::string
219LenaPfFfMacSchedulerTestCase1::BuildNameString(uint16_t nUser, double dist)
220{
221 std::ostringstream oss;
222 oss << nUser << " UEs, distance " << dist << " m";
223 return oss.str();
224}
225
226LenaPfFfMacSchedulerTestCase1::LenaPfFfMacSchedulerTestCase1(uint16_t nUser,
227 double dist,
228 double thrRefDl,
229 double thrRefUl,
230 bool errorModelEnabled)
231 : TestCase(BuildNameString(nUser, dist)),
232 m_nUser(nUser),
233 m_dist(dist),
234 m_thrRefDl(thrRefDl),
235 m_thrRefUl(thrRefUl),
236 m_errorModelEnabled(errorModelEnabled)
237{
238}
239
240LenaPfFfMacSchedulerTestCase1::~LenaPfFfMacSchedulerTestCase1()
241{
242}
243
244void
245LenaPfFfMacSchedulerTestCase1::DoRun()
246{
247 NS_LOG_FUNCTION(this << m_nUser << m_dist);
248
249 if (!m_errorModelEnabled)
250 {
251 Config::SetDefault("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue(false));
252 Config::SetDefault("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue(false));
253 }
254 Config::SetDefault("ns3::LteHelper::UseIdealRrc", BooleanValue(true));
255 Config::SetDefault("ns3::MacStatsCalculator::DlOutputFilename",
256 StringValue(CreateTempDirFilename("DlMacStats.txt")));
257 Config::SetDefault("ns3::MacStatsCalculator::UlOutputFilename",
258 StringValue(CreateTempDirFilename("UlMacStats.txt")));
259 Config::SetDefault("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename",
260 StringValue(CreateTempDirFilename("DlRlcStats.txt")));
261 Config::SetDefault("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename",
262 StringValue(CreateTempDirFilename("UlRlcStats.txt")));
263
268 Ptr<LteHelper> lteHelper = CreateObject<LteHelper>();
269 lteHelper->SetAttribute("PathlossModel", StringValue("ns3::FriisSpectrumPropagationLossModel"));
270
271 // Create Nodes: eNodeB and UE
272 NodeContainer enbNodes;
273 NodeContainer ueNodes;
274 enbNodes.Create(1);
275 ueNodes.Create(m_nUser);
276
277 // Install Mobility Model
278 MobilityHelper mobility;
279 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
280 mobility.Install(enbNodes);
281 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
282 mobility.Install(ueNodes);
283
284 // Create Devices and install them in the Nodes (eNB and UE)
285 NetDeviceContainer enbDevs;
286 NetDeviceContainer ueDevs;
287 lteHelper->SetSchedulerType("ns3::PfFfMacScheduler");
288 lteHelper->SetSchedulerAttribute("UlCqiFilter", EnumValue(FfMacScheduler::SRS_UL_CQI));
289 enbDevs = lteHelper->InstallEnbDevice(enbNodes);
290 ueDevs = lteHelper->InstallUeDevice(ueNodes);
291
292 // Attach a UE to a eNB
293 lteHelper->Attach(ueDevs, enbDevs.Get(0));
294
295 // Activate an EPS bearer
296 enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
297 EpsBearer bearer(q);
298 lteHelper->ActivateDataRadioBearer(ueDevs, bearer);
299
300 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get(0)->GetObject<LteEnbNetDevice>();
301 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy();
302 enbPhy->SetAttribute("TxPower", DoubleValue(30.0));
303 enbPhy->SetAttribute("NoiseFigure", DoubleValue(5.0));
304
305 // Set UEs' position and power
306 for (int i = 0; i < m_nUser; i++)
307 {
308 Ptr<ConstantPositionMobilityModel> mm =
309 ueNodes.Get(i)->GetObject<ConstantPositionMobilityModel>();
310 mm->SetPosition(Vector(m_dist, 0.0, 0.0));
311 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get(i)->GetObject<LteUeNetDevice>();
312 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy();
313 uePhy->SetAttribute("TxPower", DoubleValue(23.0));
314 uePhy->SetAttribute("NoiseFigure", DoubleValue(9.0));
315 }
316
317 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
318 double statsDuration = 0.6;
319 double tolerance = 0.1;
320 Simulator::Stop(Seconds(statsStartTime + statsDuration - 0.000001));
321
322 lteHelper->EnableMacTraces();
323 lteHelper->EnableRlcTraces();
324 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats();
325 rlcStats->SetAttribute("StartTime", TimeValue(Seconds(statsStartTime)));
326 rlcStats->SetAttribute("EpochDuration", TimeValue(Seconds(statsDuration)));
327
328 Simulator::Run();
329
333 NS_LOG_INFO("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
334 std::vector<uint64_t> dlDataRxed;
335 for (int i = 0; i < m_nUser; i++)
336 {
337 // get the imsi
338 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
339 uint8_t lcId = 3;
340 dlDataRxed.push_back(rlcStats->GetDlRxData(imsi, lcId));
341 NS_LOG_INFO("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at(i)
342 << " thr " << (double)dlDataRxed.at(i) / statsDuration << " ref "
343 << m_thrRefDl);
344 }
351 for (int i = 0; i < m_nUser; i++)
352 {
353 NS_TEST_ASSERT_MSG_EQ_TOL((double)dlDataRxed.at(i) / statsDuration,
354 m_thrRefDl,
355 m_thrRefDl * tolerance,
356 " Unfair Throughput!");
357 }
358
362 NS_LOG_INFO("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
363 std::vector<uint64_t> ulDataRxed;
364 for (int i = 0; i < m_nUser; i++)
365 {
366 // get the imsi
367 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
368 // get the lcId
369 uint8_t lcId = 3;
370 ulDataRxed.push_back(rlcStats->GetUlRxData(imsi, lcId));
371 NS_LOG_INFO("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at(i)
372 << " thr " << (double)ulDataRxed.at(i) / statsDuration << " ref "
373 << m_thrRefUl);
374 }
381 for (int i = 0; i < m_nUser; i++)
382 {
383 NS_TEST_ASSERT_MSG_EQ_TOL((double)ulDataRxed.at(i) / statsDuration,
384 m_thrRefUl,
385 m_thrRefUl * tolerance,
386 " Unfair Throughput!");
387 }
388 Simulator::Destroy();
389}
390
391// --------------- T E S T - C A S E # 2 ------------------------------
392
393std::string
394LenaPfFfMacSchedulerTestCase2::BuildNameString(uint16_t nUser, std::vector<double> dist)
395{
396 std::ostringstream oss;
397 oss << "distances (m) = [ ";
398 for (std::vector<double>::iterator it = dist.begin(); it != dist.end(); ++it)
399 {
400 oss << *it << " ";
401 }
402 oss << "]";
403 return oss.str();
404}
405
406LenaPfFfMacSchedulerTestCase2::LenaPfFfMacSchedulerTestCase2(std::vector<double> dist,
407 std::vector<uint32_t> estThrPfDl,
408 std::vector<uint32_t> estThrPfUl,
409 bool errorModelEnabled)
410 : TestCase(BuildNameString(dist.size(), dist)),
411 m_nUser(dist.size()),
412 m_dist(dist),
413 m_estThrPfDl(estThrPfDl),
414 m_estThrPfUl(estThrPfUl),
415 m_errorModelEnabled(errorModelEnabled)
416{
417}
418
419LenaPfFfMacSchedulerTestCase2::~LenaPfFfMacSchedulerTestCase2()
420{
421}
422
423void
424LenaPfFfMacSchedulerTestCase2::DoRun()
425{
426 NS_LOG_FUNCTION(this);
427 if (!m_errorModelEnabled)
428 {
429 Config::SetDefault("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue(false));
430 Config::SetDefault("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue(false));
431 }
432 Config::SetDefault("ns3::LteHelper::UseIdealRrc", BooleanValue(false));
433 Config::SetDefault("ns3::MacStatsCalculator::DlOutputFilename",
434 StringValue(CreateTempDirFilename("DlMacStats.txt")));
435 Config::SetDefault("ns3::MacStatsCalculator::UlOutputFilename",
436 StringValue(CreateTempDirFilename("UlMacStats.txt")));
437 Config::SetDefault("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename",
438 StringValue(CreateTempDirFilename("DlRlcStats.txt")));
439 Config::SetDefault("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename",
440 StringValue(CreateTempDirFilename("UlRlcStats.txt")));
441
446 Ptr<LteHelper> lteHelper = CreateObject<LteHelper>();
447
448 lteHelper->SetAttribute("PathlossModel", StringValue("ns3::FriisSpectrumPropagationLossModel"));
449
450 // Create Nodes: eNodeB and UE
451 NodeContainer enbNodes;
452 NodeContainer ueNodes;
453 enbNodes.Create(1);
454 ueNodes.Create(m_nUser);
455
456 // Install Mobility Model
457 MobilityHelper mobility;
458 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
459 mobility.Install(enbNodes);
460 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
461 mobility.Install(ueNodes);
462
463 // Create Devices and install them in the Nodes (eNB and UE)
464 NetDeviceContainer enbDevs;
465 NetDeviceContainer ueDevs;
466 lteHelper->SetSchedulerType("ns3::PfFfMacScheduler");
467 lteHelper->SetSchedulerAttribute("UlCqiFilter", EnumValue(FfMacScheduler::SRS_UL_CQI));
468 enbDevs = lteHelper->InstallEnbDevice(enbNodes);
469 ueDevs = lteHelper->InstallUeDevice(ueNodes);
470
471 // Attach a UE to a eNB
472 lteHelper->Attach(ueDevs, enbDevs.Get(0));
473
474 // Activate an EPS bearer
475 enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
476 EpsBearer bearer(q);
477 lteHelper->ActivateDataRadioBearer(ueDevs, bearer);
478
479 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get(0)->GetObject<LteEnbNetDevice>();
480 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy();
481 enbPhy->SetAttribute("TxPower", DoubleValue(30.0));
482 enbPhy->SetAttribute("NoiseFigure", DoubleValue(5.0));
483
484 // Set UEs' position and power
485 for (int i = 0; i < m_nUser; i++)
486 {
487 Ptr<ConstantPositionMobilityModel> mm =
488 ueNodes.Get(i)->GetObject<ConstantPositionMobilityModel>();
489 mm->SetPosition(Vector(m_dist.at(i), 0.0, 0.0));
490 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get(i)->GetObject<LteUeNetDevice>();
491 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy();
492 uePhy->SetAttribute("TxPower", DoubleValue(23.0));
493 uePhy->SetAttribute("NoiseFigure", DoubleValue(9.0));
494 }
495
496 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
497 double statsDuration = 0.4;
498 double tolerance = 0.1;
499 Simulator::Stop(Seconds(statsStartTime + statsDuration - 0.000001));
500
501 lteHelper->EnableRlcTraces();
502 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats();
503 rlcStats->SetAttribute("StartTime", TimeValue(Seconds(statsStartTime)));
504 rlcStats->SetAttribute("EpochDuration", TimeValue(Seconds(statsDuration)));
505
506 Simulator::Run();
507
508 NS_LOG_INFO("DL - Test with " << m_nUser << " user(s)");
509 std::vector<uint64_t> dlDataRxed;
510 double totalData = 0;
511 double totalEstThrPf = 0;
512 for (int i = 0; i < m_nUser; i++)
513 {
514 // get the imsi
515 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
516 // get the lcId
517 uint8_t lcId = 3;
518 dlDataRxed.push_back(rlcStats->GetDlRxData(imsi, lcId));
519 totalData += (double)dlDataRxed.at(i);
520 NS_LOG_INFO("\tUser " << i << " dist " << m_dist.at(i) << " imsi " << imsi << " bytes rxed "
521 << (double)dlDataRxed.at(i) << " thr "
522 << (double)dlDataRxed.at(i) / statsDuration);
523 totalEstThrPf += m_estThrPfDl.at(i);
524 }
525
531 for (int i = 0; i < m_nUser; i++)
532 {
533 double thrRatio = (double)dlDataRxed.at(i) / totalData;
534 double estThrRatio = (double)m_estThrPfDl.at(i) / totalEstThrPf;
535 NS_LOG_INFO("\tUser " << i << " thrRatio " << thrRatio << " estThrRatio " << estThrRatio);
536 NS_TEST_ASSERT_MSG_EQ_TOL(estThrRatio, thrRatio, tolerance, " Unfair Throughput!");
537 }
538
543 NS_LOG_INFO("UL - Test with " << m_nUser);
544 std::vector<uint64_t> ulDataRxed;
545 for (int i = 0; i < m_nUser; i++)
546 {
547 // get the imsi
548 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
549 // get the lcId
550 uint8_t lcId = 3;
551 ulDataRxed.push_back(rlcStats->GetUlRxData(imsi, lcId));
552 NS_LOG_INFO("\tUser " << i << " dist " << m_dist.at(i) << " bytes rxed "
553 << (double)ulDataRxed.at(i) << " thr "
554 << (double)ulDataRxed.at(i) / statsDuration << " ref "
555 << (double)m_estThrPfUl.at(i));
556 NS_TEST_ASSERT_MSG_EQ_TOL((double)ulDataRxed.at(i) / statsDuration,
557 (double)m_estThrPfUl.at(i),
558 (double)m_estThrPfUl.at(i) * tolerance,
559 " Unfair Throughput!");
560 }
561 Simulator::Destroy();
562}
LenaPfFfMacSchedulerTestCase1
This system test program creates different test cases with a single eNB and several UEs,...
Definition: lte-test-pf-ff-mac-scheduler.h:42
LenaPfFfMacSchedulerTestCase1::BuildNameString
static std::string BuildNameString(uint16_t nUser, double dist)
Build name string.
Definition: lte-test-pf-ff-mac-scheduler.cc:219
LenaPfFfMacSchedulerTestCase1::m_errorModelEnabled
bool m_errorModelEnabled
whether error model is enabled
Definition: lte-test-pf-ff-mac-scheduler.h:73
LenaPfFfMacSchedulerTestCase1::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: lte-test-pf-ff-mac-scheduler.cc:245
LenaPfFfMacSchedulerTestCase1::m_thrRefUl
double m_thrRefUl
the UL throughput reference
Definition: lte-test-pf-ff-mac-scheduler.h:72
LenaPfFfMacSchedulerTestCase1::m_thrRefDl
double m_thrRefDl
the DL throughput reference
Definition: lte-test-pf-ff-mac-scheduler.h:71
LenaPfFfMacSchedulerTestCase1::LenaPfFfMacSchedulerTestCase1
LenaPfFfMacSchedulerTestCase1(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-pf-ff-mac-scheduler.cc:226
LenaPfFfMacSchedulerTestCase1::m_dist
double m_dist
the distance between nodes
Definition: lte-test-pf-ff-mac-scheduler.h:70
LenaPfFfMacSchedulerTestCase2
Lena PfFf Mac Scheduler Test Case 2.
Definition: lte-test-pf-ff-mac-scheduler.h:83
LenaPfFfMacSchedulerTestCase2::LenaPfFfMacSchedulerTestCase2
LenaPfFfMacSchedulerTestCase2(std::vector< double > dist, std::vector< uint32_t > estThrPfDl, std::vector< uint32_t > estThrPfUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-pf-ff-mac-scheduler.cc:406
LenaPfFfMacSchedulerTestCase2::m_estThrPfUl
std::vector< uint32_t > m_estThrPfUl
the estimated UL throughput
Definition: lte-test-pf-ff-mac-scheduler.h:111
LenaPfFfMacSchedulerTestCase2::m_errorModelEnabled
bool m_errorModelEnabled
indicates whether the error model is enabled
Definition: lte-test-pf-ff-mac-scheduler.h:112
LenaPfFfMacSchedulerTestCase2::m_estThrPfDl
std::vector< uint32_t > m_estThrPfDl
the estimated DL throughput
Definition: lte-test-pf-ff-mac-scheduler.h:110
LenaPfFfMacSchedulerTestCase2::m_dist
std::vector< double > m_dist
the distance between nodes
Definition: lte-test-pf-ff-mac-scheduler.h:109
LenaPfFfMacSchedulerTestCase2::BuildNameString
static std::string BuildNameString(uint16_t nUser, std::vector< double > dist)
Builds the test name string based on provided parameter values.
Definition: lte-test-pf-ff-mac-scheduler.cc:394
LenaPfFfMacSchedulerTestCase2::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: lte-test-pf-ff-mac-scheduler.cc:424
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:37
ns3::ConstantPositionMobilityModel
Mobility model for which the current position does not change once it has been set and until it is se...
Definition: constant-position-mobility-model.h:34
ns3::DoubleValue
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:42
ns3::EnumValue
Hold variables of type enum.
Definition: enum.h:56
ns3::EpsBearer
This class contains the specification of EPS Bearers.
Definition: eps-bearer.h:91
ns3::EpsBearer::Qci
Qci
QoS Class Indicator.
Definition: eps-bearer.h:106
ns3::LteEnbNetDevice
The eNodeB device implementation.
Definition: lte-enb-net-device.h:59
ns3::LteEnbNetDevice::GetPhy
Ptr< LteEnbPhy > GetPhy() const
Definition: lte-enb-net-device.cc:197
ns3::LteHelper::GetRlcStats
Ptr< RadioBearerStatsCalculator > GetRlcStats()
Definition: lte-helper.cc:1708
ns3::LteHelper::SetSchedulerAttribute
void SetSchedulerAttribute(std::string n, const AttributeValue &v)
Set an attribute for the scheduler to be created.
Definition: lte-helper.cc:303
ns3::LteHelper::InstallEnbDevice
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:482
ns3::LteHelper::SetSchedulerType
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:289
ns3::LteHelper::Attach
void Attach(NetDeviceContainer ueDevices)
Enables automatic attachment of a set of UE devices to a suitable cell using Idle mode initial cell s...
Definition: lte-helper.cc:1044
ns3::LteHelper::EnableRlcTraces
void EnableRlcTraces()
Enable trace sinks for RLC layer.
Definition: lte-helper.cc:1563
ns3::LteHelper::ActivateDataRadioBearer
void ActivateDataRadioBearer(NetDeviceContainer ueDevices, EpsBearer bearer)
Activate a Data Radio Bearer on a given UE devices (for LTE-only simulation).
Definition: lte-helper.cc:1441
ns3::LteHelper::InstallUeDevice
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:497
ns3::LteHelper::EnableMacTraces
void EnableMacTraces()
Enable trace sinks for MAC layer.
Definition: lte-helper.cc:1666
ns3::LteUeNetDevice
The LteUeNetDevice class implements the UE net device.
Definition: lte-ue-net-device.h:58
ns3::MobilityHelper
Helper class used to assign positions and mobility models to nodes.
Definition: mobility-helper.h:44
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:43
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:67
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:40
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:84
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:78
ns3::ObjectBase::SetAttribute
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:258
ns3::Object::GetObject
Ptr< T > GetObject() const
Get a pointer to the requested aggregated Object.
Definition: object.h:471
ns3::StringValue
Hold variables of type string.
Definition: string.h:42
ns3::TestCase
encapsulates test code
Definition: test.h:1060
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:305
ns3::TestCase::CreateTempDirFilename
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition: test.cc:442
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1256
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:1425
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:891
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
NS_LOG_FUNCTION
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
Definition: log-macros-enabled.h:238
NS_LOG_INFO
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:275
NS_TEST_ASSERT_MSG_EQ_TOL
#define NS_TEST_ASSERT_MSG_EQ_TOL(actual, limit, tol, msg)
Test that actual and expected (limit) values are equal to plus or minus some tolerance and report and...
Definition: test.h:337
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1338
lenaTestPfFfMacSchedulerSuite
static LenaTestPfFfMacSchedulerSuite lenaTestPfFfMacSchedulerSuite
Definition: lte-test-pf-ff-mac-scheduler.cc:214
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
third.mobility
mobility
Definition: third.py:96