A Discrete-Event Network Simulator
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lte-test-downlink-sinr.cc
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1/*
2 * Copyright (c) 2011 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: Manuel Requena <manuel.requena@cttc.es>
18 * Modified by Marco Miozzo <mmiozzo@ctt.es>
19 * Extend to Data and Ctrl frames
20 */
21
22#include "lte-test-downlink-sinr.h"
23
24#include "lte-test-ue-phy.h"
25
26#include "ns3/boolean.h"
27#include "ns3/log.h"
28#include "ns3/lte-helper.h"
29#include "ns3/lte-phy-tag.h"
30#include "ns3/lte-spectrum-signal-parameters.h"
31#include "ns3/simulator.h"
32#include "ns3/spectrum-test.h"
33#include <ns3/lte-chunk-processor.h>
34#include <ns3/lte-control-messages.h>
35
36using namespace ns3;
37
38NS_LOG_COMPONENT_DEFINE("LteDownlinkSinrTest");
39
48LteDownlinkSinrTestSuite::LteDownlinkSinrTestSuite()
49 : TestSuite("lte-downlink-sinr", SYSTEM)
50{
54 Ptr<SpectrumModel> sm;
55
56 Bands bands;
57 BandInfo bi;
58
59 bi.fl = 2.400e9;
60 bi.fc = 2.410e9;
61 bi.fh = 2.420e9;
62 bands.push_back(bi);
63
64 bi.fl = 2.420e9;
65 bi.fc = 2.431e9;
66 bi.fh = 2.442e9;
67 bands.push_back(bi);
68
69 sm = Create<SpectrumModel>(bands);
70
75 Ptr<SpectrumValue> rxPsd1 = Create<SpectrumValue>(sm);
76 (*rxPsd1)[0] = 1.255943215755e-15;
77 (*rxPsd1)[1] = 7.204059965732e-16;
78
79 Ptr<SpectrumValue> theoreticalSinr1 = Create<SpectrumValue>(sm);
80 (*theoreticalSinr1)[0] = 3.72589167251055;
81 (*theoreticalSinr1)[1] = 3.72255684126076;
82
83 AddTestCase(new LteDownlinkDataSinrTestCase(rxPsd1, theoreticalSinr1, "sdBm = [-46 -48]"),
84 TestCase::QUICK);
85 AddTestCase(new LteDownlinkCtrlSinrTestCase(rxPsd1, theoreticalSinr1, "sdBm = [-46 -48]"),
86 TestCase::QUICK);
87
92 Ptr<SpectrumValue> rxPsd2 = Create<SpectrumValue>(sm);
93 (*rxPsd2)[0] = 2.505936168136e-17;
94 (*rxPsd2)[1] = 3.610582885110e-17;
95
96 Ptr<SpectrumValue> theoreticalSinr2 = Create<SpectrumValue>(sm);
97 (*theoreticalSinr2)[0] = 0.0743413124381667;
98 (*theoreticalSinr2)[1] = 0.1865697965291756;
99
100 AddTestCase(new LteDownlinkDataSinrTestCase(rxPsd2, theoreticalSinr2, "sdBm = [-63 -61]"),
101 TestCase::QUICK);
102 AddTestCase(new LteDownlinkCtrlSinrTestCase(rxPsd2, theoreticalSinr2, "sdBm = [-63 -61]"),
103 TestCase::QUICK);
104}
105
110static LteDownlinkSinrTestSuite lteDownlinkSinrTestSuite;
111
116LteDownlinkDataSinrTestCase::LteDownlinkDataSinrTestCase(Ptr<SpectrumValue> sv,
117 Ptr<SpectrumValue> sinr,
118 std::string name)
119 : TestCase("SINR calculation in downlink Data frame: " + name),
120 m_sv(sv),
121 m_sm(sv->GetSpectrumModel()),
122 m_expectedSinr(sinr)
123{
124 NS_LOG_INFO("Creating LenaDownlinkSinrTestCase");
125}
126
127LteDownlinkDataSinrTestCase::~LteDownlinkDataSinrTestCase()
128{
129}
130
131void
132LteDownlinkDataSinrTestCase::DoRun()
133{
134 Config::SetDefault("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue(false));
138 Ptr<LteSpectrumPhy> dlPhy = CreateObject<LteSpectrumPhy>();
139 Ptr<LteSpectrumPhy> ulPhy = CreateObject<LteSpectrumPhy>();
140 Ptr<LteTestUePhy> uePhy = CreateObject<LteTestUePhy>(dlPhy, ulPhy);
141 uint16_t cellId = 100;
142 dlPhy->SetCellId(cellId);
143 ulPhy->SetCellId(cellId);
144
145 Ptr<LteChunkProcessor> chunkProcessor = Create<LteChunkProcessor>();
146 LteSpectrumValueCatcher actualSinrCatcher;
147 chunkProcessor->AddCallback(
148 MakeCallback(&LteSpectrumValueCatcher::ReportValue, &actualSinrCatcher));
149 dlPhy->AddDataSinrChunkProcessor(chunkProcessor);
150
159 // Number of packet bursts (1 data + 4 interferences)
160 const int numOfPbs = 5;
161
162 // Number of packets in the packet bursts
163 const int numOfPkts = 10;
164
165 // Packet bursts
166 Ptr<PacketBurst> packetBursts[numOfPbs];
167
168 // Packets
169 Ptr<Packet> pkt[numOfPbs][numOfPkts];
170
171 // Packet bursts cellId
172 uint16_t pbCellId[numOfPbs];
173
177 for (int pb = 0; pb < numOfPbs; pb++)
178 {
179 // Create packet burst
180 packetBursts[pb] = CreateObject<PacketBurst>();
181 pbCellId[pb] = cellId * (pb + 1);
182
183 // Create packets and add them to the burst
184 for (int i = 0; i < numOfPkts; i++)
185 {
186 pkt[pb][i] = Create<Packet>(1000);
187
188 packetBursts[pb]->AddPacket(pkt[pb][i]);
189 }
190 }
191
192 Ptr<SpectrumValue> noisePsd = Create<SpectrumValue>(m_sm);
193 Ptr<SpectrumValue> i1 = Create<SpectrumValue>(m_sm);
194 Ptr<SpectrumValue> i2 = Create<SpectrumValue>(m_sm);
195 Ptr<SpectrumValue> i3 = Create<SpectrumValue>(m_sm);
196 Ptr<SpectrumValue> i4 = Create<SpectrumValue>(m_sm);
197
198 (*noisePsd)[0] = 5.000000000000e-19;
199 (*noisePsd)[1] = 4.545454545455e-19;
200
201 (*i1)[0] = 5.000000000000e-18;
202 (*i2)[0] = 5.000000000000e-16;
203 (*i3)[0] = 1.581138830084e-16;
204 (*i4)[0] = 7.924465962306e-17;
205 (*i1)[1] = 1.437398936440e-18;
206 (*i2)[1] = 5.722388235428e-16;
207 (*i3)[1] = 7.204059965732e-17;
208 (*i4)[1] = 5.722388235428e-17;
209
210 Time ts = Seconds(1);
211 Time ds = Seconds(1);
212 Time ti1 = Seconds(0);
213 Time di1 = Seconds(3);
214 Time ti2 = Seconds(0.7);
215 Time di2 = Seconds(1);
216 Time ti3 = Seconds(1.2);
217 Time di3 = Seconds(1);
218 Time ti4 = Seconds(1.5);
219 Time di4 = Seconds(0.1);
220
221 dlPhy->SetNoisePowerSpectralDensity(noisePsd);
222
227 // eNB sends data to 2 UEs through 2 subcarriers
228 Ptr<LteSpectrumSignalParametersDataFrame> sp1 = Create<LteSpectrumSignalParametersDataFrame>();
229 sp1->psd = m_sv;
230 sp1->txPhy = nullptr;
231 sp1->duration = ds;
232 sp1->packetBurst = packetBursts[0];
233 sp1->cellId = pbCellId[0];
234 Simulator::Schedule(ts, &LteSpectrumPhy::StartRx, dlPhy, sp1);
235
236 Ptr<LteSpectrumSignalParametersDataFrame> ip1 = Create<LteSpectrumSignalParametersDataFrame>();
237 ip1->psd = i1;
238 ip1->txPhy = nullptr;
239 ip1->duration = di1;
240 ip1->packetBurst = packetBursts[1];
241 ip1->cellId = pbCellId[1];
242 Simulator::Schedule(ti1, &LteSpectrumPhy::StartRx, dlPhy, ip1);
243
244 Ptr<LteSpectrumSignalParametersDataFrame> ip2 = Create<LteSpectrumSignalParametersDataFrame>();
245 ip2->psd = i2;
246 ip2->txPhy = nullptr;
247 ip2->duration = di2;
248 ip2->packetBurst = packetBursts[2];
249 ip2->cellId = pbCellId[2];
250 Simulator::Schedule(ti2, &LteSpectrumPhy::StartRx, dlPhy, ip2);
251
252 Ptr<LteSpectrumSignalParametersDataFrame> ip3 = Create<LteSpectrumSignalParametersDataFrame>();
253 ip3->psd = i3;
254 ip3->txPhy = nullptr;
255 ip3->duration = di3;
256 ip3->packetBurst = packetBursts[3];
257 ip3->cellId = pbCellId[3];
258 Simulator::Schedule(ti3, &LteSpectrumPhy::StartRx, dlPhy, ip3);
259
260 Ptr<LteSpectrumSignalParametersDataFrame> ip4 = Create<LteSpectrumSignalParametersDataFrame>();
261 ip4->psd = i4;
262 ip4->txPhy = nullptr;
263 ip4->duration = di4;
264 ip4->packetBurst = packetBursts[4];
265 ip4->cellId = pbCellId[4];
266 Simulator::Schedule(ti4, &LteSpectrumPhy::StartRx, dlPhy, ip4);
267
268 Simulator::Stop(Seconds(5.0));
269 Simulator::Run();
270
271 NS_LOG_INFO("Data Frame - Theoretical SINR: " << *m_expectedSinr);
272 NS_LOG_INFO("Data Frame - Calculated SINR: " << *(actualSinrCatcher.GetValue()));
273
274 NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL(*(actualSinrCatcher.GetValue()),
275 *m_expectedSinr,
276 0.0000001,
277 "Data Frame - Wrong SINR !");
278 dlPhy->Dispose();
279 Simulator::Destroy();
280}
281
286LteDownlinkCtrlSinrTestCase::LteDownlinkCtrlSinrTestCase(Ptr<SpectrumValue> sv,
287 Ptr<SpectrumValue> sinr,
288 std::string name)
289 : TestCase("SINR calculation in downlink Ctrl Frame: " + name),
290 m_sv(sv),
291 m_sm(sv->GetSpectrumModel()),
292 m_expectedSinr(sinr)
293{
294 NS_LOG_INFO("Creating LenaDownlinkCtrlSinrTestCase");
295}
296
297LteDownlinkCtrlSinrTestCase::~LteDownlinkCtrlSinrTestCase()
298{
299}
300
301void
302LteDownlinkCtrlSinrTestCase::DoRun()
303{
307 Config::SetDefault("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue(false));
308 Ptr<LteSpectrumPhy> dlPhy = CreateObject<LteSpectrumPhy>();
309 Ptr<LteSpectrumPhy> ulPhy = CreateObject<LteSpectrumPhy>();
310 Ptr<LteTestUePhy> uePhy = CreateObject<LteTestUePhy>(dlPhy, ulPhy);
311 uint16_t cellId = 100;
312 dlPhy->SetCellId(cellId);
313 ulPhy->SetCellId(cellId);
314
315 Ptr<LteChunkProcessor> chunkProcessor = Create<LteChunkProcessor>();
316 LteSpectrumValueCatcher actualSinrCatcher;
317 chunkProcessor->AddCallback(
318 MakeCallback(&LteSpectrumValueCatcher::ReportValue, &actualSinrCatcher));
319 dlPhy->AddCtrlSinrChunkProcessor(chunkProcessor);
320
328 // Number of ctrl bursts (1 data + 4 interferences)
329 const int numOfUes = 5;
330
331 // Number of control messages in the list
332 const int numOfCtrlMsgs = 10;
333
334 // control messages in the list
335 std::list<Ptr<LteControlMessage>> ctrlMsgList[numOfUes];
336
337 // signals cellId
338 uint16_t pbCellId[numOfUes];
339
343 for (int pb = 0; pb < numOfUes; pb++)
344 {
345 pbCellId[pb] = cellId * (pb + 1);
346
347 // Create ctrl msg and add them to the list
348 for (int i = 0; i < numOfCtrlMsgs; i++)
349 {
350 Ptr<DlDciLteControlMessage> msg = Create<DlDciLteControlMessage>();
351 DlDciListElement_s dci;
352 msg->SetDci(dci);
353 ctrlMsgList[pb].emplace_back(msg);
354 }
355 }
356
357 Ptr<SpectrumValue> noisePsd = Create<SpectrumValue>(m_sm);
358 Ptr<SpectrumValue> i1 = Create<SpectrumValue>(m_sm);
359 Ptr<SpectrumValue> i2 = Create<SpectrumValue>(m_sm);
360 Ptr<SpectrumValue> i3 = Create<SpectrumValue>(m_sm);
361 Ptr<SpectrumValue> i4 = Create<SpectrumValue>(m_sm);
362
363 (*noisePsd)[0] = 5.000000000000e-19;
364 (*noisePsd)[1] = 4.545454545455e-19;
365
366 (*i1)[0] = 5.000000000000e-18;
367 (*i2)[0] = 5.000000000000e-16;
368 (*i3)[0] = 1.581138830084e-16;
369 (*i4)[0] = 7.924465962306e-17;
370 (*i1)[1] = 1.437398936440e-18;
371 (*i2)[1] = 5.722388235428e-16;
372 (*i3)[1] = 7.204059965732e-17;
373 (*i4)[1] = 5.722388235428e-17;
374
375 Time ts = Seconds(1);
376 Time ds = Seconds(1);
377 Time ti1 = Seconds(0);
378 Time di1 = Seconds(3);
379 Time ti2 = Seconds(0.7);
380 Time di2 = Seconds(1);
381 Time ti3 = Seconds(1.2);
382 Time di3 = Seconds(1);
383 Time ti4 = Seconds(1.5);
384 Time di4 = Seconds(0.1);
385
386 dlPhy->SetNoisePowerSpectralDensity(noisePsd);
387
392 // eNB sends data to 2 UEs through 2 subcarriers
393 Ptr<LteSpectrumSignalParametersDlCtrlFrame> sp1 =
394 Create<LteSpectrumSignalParametersDlCtrlFrame>();
395 sp1->psd = m_sv;
396 sp1->txPhy = nullptr;
397 sp1->duration = ds;
398 sp1->ctrlMsgList = ctrlMsgList[0];
399 sp1->cellId = pbCellId[0];
400 sp1->pss = false;
401 Simulator::Schedule(ts, &LteSpectrumPhy::StartRx, dlPhy, sp1);
402
403 Ptr<LteSpectrumSignalParametersDlCtrlFrame> ip1 =
404 Create<LteSpectrumSignalParametersDlCtrlFrame>();
405 ip1->psd = i1;
406 ip1->txPhy = nullptr;
407 ip1->duration = di1;
408 ip1->ctrlMsgList = ctrlMsgList[1];
409 ip1->cellId = pbCellId[1];
410 ip1->pss = false;
411 Simulator::Schedule(ti1, &LteSpectrumPhy::StartRx, dlPhy, ip1);
412
413 Ptr<LteSpectrumSignalParametersDlCtrlFrame> ip2 =
414 Create<LteSpectrumSignalParametersDlCtrlFrame>();
415 ip2->psd = i2;
416 ip2->txPhy = nullptr;
417 ip2->duration = di2;
418 ip2->ctrlMsgList = ctrlMsgList[2];
419 ip2->cellId = pbCellId[2];
420 ip2->pss = false;
421 Simulator::Schedule(ti2, &LteSpectrumPhy::StartRx, dlPhy, ip2);
422
423 Ptr<LteSpectrumSignalParametersDlCtrlFrame> ip3 =
424 Create<LteSpectrumSignalParametersDlCtrlFrame>();
425 ip3->psd = i3;
426 ip3->txPhy = nullptr;
427 ip3->duration = di3;
428 ip3->ctrlMsgList = ctrlMsgList[3];
429 ip3->cellId = pbCellId[3];
430 ip3->pss = false;
431 Simulator::Schedule(ti3, &LteSpectrumPhy::StartRx, dlPhy, ip3);
432
433 Ptr<LteSpectrumSignalParametersDlCtrlFrame> ip4 =
434 Create<LteSpectrumSignalParametersDlCtrlFrame>();
435 ip4->psd = i4;
436 ip4->txPhy = nullptr;
437 ip4->duration = di4;
438 ip4->ctrlMsgList = ctrlMsgList[4];
439 ip4->cellId = pbCellId[4];
440 ip4->pss = false;
441 Simulator::Schedule(ti4, &LteSpectrumPhy::StartRx, dlPhy, ip4);
442
443 Simulator::Stop(Seconds(5.0));
444 Simulator::Run();
445
446 NS_LOG_INFO("Ctrl Frame - Theoretical SINR: " << *m_expectedSinr);
447 NS_LOG_INFO("Ctrl Frame - Calculated SINR: " << *(actualSinrCatcher.GetValue()));
448
449 NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL(*(actualSinrCatcher.GetValue()),
450 *m_expectedSinr,
451 0.0000001,
452 "Data Frame - Wrong SINR !");
453 dlPhy->Dispose();
454 Simulator::Destroy();
455}
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:37
ns3::LteSpectrumPhy::StartRx
void StartRx(Ptr< SpectrumSignalParameters > params) override
Notify the SpectrumPhy instance of an incoming signal.
Definition: lte-spectrum-phy.cc:611
ns3::LteSpectrumValueCatcher
A sink to be plugged to the callback of LteChunkProcessor allowing to save and later retrieve the lat...
Definition: lte-chunk-processor.h:103
ns3::LteSpectrumValueCatcher::GetValue
Ptr< SpectrumValue > GetValue()
Definition: lte-chunk-processor.cc:95
ns3::LteSpectrumValueCatcher::ReportValue
void ReportValue(const SpectrumValue &value)
function to be plugged to LteChunkProcessor::AddCallback ()
Definition: lte-chunk-processor.cc:89
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
ns3::Simulator::Schedule
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Definition: simulator.h:568
ns3::Simulator::Destroy
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:140
ns3::Simulator::Run
static void Run()
Run the simulation.
Definition: simulator.cc:176
ns3::Simulator::Stop
static void Stop()
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:184
ns3::TestCase
encapsulates test code
Definition: test.h:1060
ns3::TestCase::QUICK
@ QUICK
Fast test.
Definition: test.h:1065
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:301
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1256
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:105
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_INFO
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:275
lteDownlinkSinrTestSuite
static LteDownlinkSinrTestSuite lteDownlinkSinrTestSuite
Static variable for test initialization.
Definition: lte-test-downlink-sinr.cc:110
NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL
#define NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL(actual, expected, tol, msg)
Test if two SpectrumValue instances are equal within a given tolerance.
Definition: spectrum-test.h:113
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1336
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::MakeCallback
Callback< R, Args... > MakeCallback(R(T::*memPtr)(Args...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
Definition: callback.h:702
ns3::Bands
std::vector< BandInfo > Bands
Container of BandInfo.
Definition: spectrum-model.h:59
ns3::BandInfo
The building block of a SpectrumModel.
Definition: spectrum-model.h:52
ns3::BandInfo::fc
double fc
center frequency
Definition: spectrum-model.h:54
ns3::BandInfo::fl
double fl
lower limit of subband
Definition: spectrum-model.h:53
ns3::BandInfo::fh
double fh
upper limit of subband
Definition: spectrum-model.h:55
ns3::DlDciListElement_s
See section 4.3.1 dlDciListElement.
Definition: ff-mac-common.h:93