A Discrete-Event Network Simulator
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test-uniform-planar-array.cc
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1/*
2 * Copyright (c) 2020 University of Padova, Dep. of Information Engineering, SIGNET lab.
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
18#include "cmath"
19#include "iostream"
20#include "sstream"
21#include "string"
22
23#include "ns3/double.h"
24#include "ns3/isotropic-antenna-model.h"
25#include "ns3/log.h"
26#include "ns3/pointer.h"
27#include "ns3/simulator.h"
28#include "ns3/test.h"
29#include "ns3/three-gpp-antenna-model.h"
30#include "ns3/uinteger.h"
31#include "ns3/uniform-planar-array.h"
32
33using namespace ns3;
34
35NS_LOG_COMPONENT_DEFINE("TestUniformPlanarArray");
36
42class UniformPlanarArrayTestCase : public TestCase
43{
44 public:
57 static std::string BuildNameString(Ptr<AntennaModel> element,
58 uint32_t rows,
59 uint32_t cols,
60 double rowSpace,
61 double colSpace,
62 double alpha,
63 double beta,
64 Angles direction);
77 UniformPlanarArrayTestCase(Ptr<AntennaModel> element,
78 uint32_t rows,
79 uint32_t cols,
80 double rowSpace,
81 double colSpace,
82 double alpha,
83 double beta,
84 Angles direction,
85 double expectedGainDb);
86
87 private:
91 void DoRun() override;
97 double ComputeGain(Ptr<UniformPlanarArray> a);
98
99 Ptr<AntennaModel> m_element;
100 uint32_t m_rows;
101 uint32_t m_cols;
102 double m_rowSpace;
103 double m_colSpace;
104 double m_alpha;
105 double m_beta;
106 Angles m_direction;
107 double m_expectedGain;
108};
109
110std::string
111UniformPlanarArrayTestCase::BuildNameString(Ptr<AntennaModel> element,
112 uint32_t rows,
113 uint32_t cols,
114 double rowSpace,
115 double colSpace,
116 double alpha,
117 double beta,
118 Angles direction)
119{
120 std::ostringstream oss;
121 oss << "UPA=" << rows << "x" << cols << ", row spacing=" << rowSpace << "*lambda"
122 << ", col spacing=" << colSpace << "*lambda"
123 << ", bearing=" << RadiansToDegrees(alpha) << " deg"
124 << ", tilting=" << RadiansToDegrees(beta) << " deg"
125 << ", element=" << element->GetInstanceTypeId().GetName() << ", direction=" << direction;
126 return oss.str();
127}
128
129UniformPlanarArrayTestCase::UniformPlanarArrayTestCase(Ptr<AntennaModel> element,
130 uint32_t rows,
131 uint32_t cols,
132 double rowSpace,
133 double colSpace,
134 double alpha,
135 double beta,
136 Angles direction,
137 double expectedGainDb)
138 : TestCase(BuildNameString(element, rows, cols, rowSpace, colSpace, alpha, beta, direction)),
139 m_element(element),
140 m_rows(rows),
141 m_cols(cols),
142 m_rowSpace(rowSpace),
143 m_colSpace(colSpace),
144 m_alpha(alpha),
145 m_beta(beta),
146 m_direction(direction),
147 m_expectedGain(expectedGainDb)
148{
149}
150
151double
152UniformPlanarArrayTestCase::ComputeGain(Ptr<UniformPlanarArray> a)
153{
154 // compute gain
155 PhasedArrayModel::ComplexVector sv = a->GetSteeringVector(m_direction);
156 NS_TEST_EXPECT_MSG_EQ(sv.GetSize(), a->GetNumberOfElements(), "steering vector of wrong size");
157 PhasedArrayModel::ComplexVector bf = a->GetBeamformingVector(m_direction);
158 NS_TEST_EXPECT_MSG_EQ(bf.GetSize(),
159 a->GetNumberOfElements(),
160 "beamforming vector of wrong size");
161 std::pair<double, double> fp = a->GetElementFieldPattern(m_direction);
162
163 // scalar product dot (sv, bf)
164 std::complex<double> prod{0};
165 for (size_t i = 0; i < sv.GetSize(); i++)
166 {
167 prod += sv[i] * bf[i];
168 }
169 double bfGain = std::pow(std::abs(prod), 2);
170 double bfGainDb = 10 * std::log10(bfGain);
171
172 // power gain from two polarizations
173 double elementPowerGain = std::pow(std::get<0>(fp), 2) + std::pow(std::get<1>(fp), 2);
174 double elementPowerGainDb = 10 * std::log10(elementPowerGain);
175
176 // sum BF and element gains
177 return bfGainDb + elementPowerGainDb;
178}
179
180void
181UniformPlanarArrayTestCase::DoRun()
182{
183 NS_LOG_FUNCTION(this << BuildNameString(m_element,
184 m_rows,
185 m_cols,
186 m_rowSpace,
187 m_colSpace,
188 m_alpha,
189 m_beta,
190 m_direction));
191
192 Ptr<UniformPlanarArray> a = CreateObject<UniformPlanarArray>();
193 a->SetAttribute("AntennaElement", PointerValue(m_element));
194 a->SetAttribute("NumRows", UintegerValue(m_rows));
195 a->SetAttribute("NumColumns", UintegerValue(m_cols));
196 a->SetAttribute("AntennaVerticalSpacing", DoubleValue(m_rowSpace));
197 a->SetAttribute("AntennaHorizontalSpacing", DoubleValue(m_colSpace));
198 a->SetAttribute("BearingAngle", DoubleValue(m_alpha));
199 a->SetAttribute("DowntiltAngle", DoubleValue(m_beta));
200
201 double actualGainDb = ComputeGain(a);
202 NS_TEST_EXPECT_MSG_EQ_TOL(actualGainDb,
203 m_expectedGain,
204 0.001,
205 "wrong value of the radiation pattern");
206}
207
213class UniformPlanarArrayTestSuite : public TestSuite
214{
215 public:
216 UniformPlanarArrayTestSuite();
217};
218
219UniformPlanarArrayTestSuite::UniformPlanarArrayTestSuite()
220 : TestSuite("uniform-planar-array-test", UNIT)
221{
222 Ptr<AntennaModel> isotropic = CreateObject<IsotropicAntennaModel>();
223 Ptr<AntennaModel> tgpp = CreateObject<ThreeGppAntennaModel>();
224
225 // element, rows, cols, rowSpace, colSpace, bearing,
226 // tilting, direction (azimuth,
227 // inclination), expectedGainDb
228 // Single element arrays: check if bearing/tilting works on antenna element
229 AddTestCase(new UniformPlanarArrayTestCase(isotropic,
230 1,
231 1,
232 0.5,
233 0.5,
234 DegreesToRadians(0),
235 DegreesToRadians(0),
236 Angles(DegreesToRadians(0), DegreesToRadians(90)),
237 0.0),
238 TestCase::QUICK);
239 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
240 1,
241 1,
242 0.5,
243 0.5,
244 DegreesToRadians(0),
245 DegreesToRadians(0),
246 Angles(DegreesToRadians(0), DegreesToRadians(90)),
247 8.0),
248 TestCase::QUICK);
249 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
250 1,
251 1,
252 0.5,
253 0.5,
254 DegreesToRadians(90),
255 DegreesToRadians(0),
256 Angles(DegreesToRadians(90), DegreesToRadians(90)),
257 8.0),
258 TestCase::QUICK);
259 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
260 1,
261 1,
262 0.5,
263 0.5,
264 DegreesToRadians(-90),
265 DegreesToRadians(0),
266 Angles(DegreesToRadians(-90), DegreesToRadians(90)),
267 8.0),
268 TestCase::QUICK);
269 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
270 1,
271 1,
272 0.5,
273 0.5,
274 DegreesToRadians(180),
275 DegreesToRadians(0),
276 Angles(DegreesToRadians(180), DegreesToRadians(90)),
277 8.0),
278 TestCase::QUICK);
279 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
280 1,
281 1,
282 0.5,
283 0.5,
284 DegreesToRadians(-180),
285 DegreesToRadians(0),
286 Angles(DegreesToRadians(-180), DegreesToRadians(90)),
287 8.0),
288 TestCase::QUICK);
289 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
290 1,
291 1,
292 0.5,
293 0.5,
294 DegreesToRadians(0),
295 DegreesToRadians(45),
296 Angles(DegreesToRadians(0), DegreesToRadians(135)),
297 8.0),
298 TestCase::QUICK);
299 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
300 1,
301 1,
302 0.5,
303 0.5,
304 DegreesToRadians(0),
305 DegreesToRadians(-45),
306 Angles(DegreesToRadians(0), DegreesToRadians(45)),
307 8.0),
308 TestCase::QUICK);
309 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
310 1,
311 1,
312 0.5,
313 0.5,
314 DegreesToRadians(0),
315 DegreesToRadians(90),
316 Angles(DegreesToRadians(0), DegreesToRadians(180)),
317 8.0),
318 TestCase::QUICK);
319 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
320 1,
321 1,
322 0.5,
323 0.5,
324 DegreesToRadians(0),
325 DegreesToRadians(-90),
326 Angles(DegreesToRadians(0), DegreesToRadians(0)),
327 8.0),
328 TestCase::QUICK);
329
330 // linear array
331 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
332 10,
333 1,
334 0.5,
335 0.5,
336 DegreesToRadians(0),
337 DegreesToRadians(0),
338 Angles(DegreesToRadians(0), DegreesToRadians(90)),
339 18.0),
340 TestCase::QUICK);
341 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
342 10,
343 1,
344 0.5,
345 0.5,
346 DegreesToRadians(90),
347 DegreesToRadians(0),
348 Angles(DegreesToRadians(90), DegreesToRadians(90)),
349 18.0),
350 TestCase::QUICK);
351 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
352 10,
353 1,
354 0.5,
355 0.5,
356 DegreesToRadians(0),
357 DegreesToRadians(45),
358 Angles(DegreesToRadians(0), DegreesToRadians(135)),
359 18.0),
360 TestCase::QUICK);
361
362 // planar array
363 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
364 10,
365 10,
366 0.5,
367 0.5,
368 DegreesToRadians(0),
369 DegreesToRadians(0),
370 Angles(DegreesToRadians(0), DegreesToRadians(90)),
371 28.0),
372 TestCase::QUICK);
373 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
374 10,
375 10,
376 0.5,
377 0.5,
378 DegreesToRadians(90),
379 DegreesToRadians(0),
380 Angles(DegreesToRadians(90), DegreesToRadians(90)),
381 28.0),
382 TestCase::QUICK);
383 AddTestCase(new UniformPlanarArrayTestCase(tgpp,
384 10,
385 10,
386 0.5,
387 0.5,
388 DegreesToRadians(0),
389 DegreesToRadians(45),
390 Angles(DegreesToRadians(0), DegreesToRadians(135)),
391 28.0),
392 TestCase::QUICK);
393}
394
395static UniformPlanarArrayTestSuite staticUniformPlanarArrayTestSuiteInstance;
UniformPlanarArrayTestCase
UniformPlanarArray Test Case.
Definition: test-uniform-planar-array.cc:43
UniformPlanarArrayTestCase::m_expectedGain
double m_expectedGain
the expected antenna gain [dB]
Definition: test-uniform-planar-array.cc:107
UniformPlanarArrayTestCase::m_element
Ptr< AntennaModel > m_element
the antenna element
Definition: test-uniform-planar-array.cc:99
UniformPlanarArrayTestCase::m_colSpace
double m_colSpace
the column spacing
Definition: test-uniform-planar-array.cc:103
UniformPlanarArrayTestCase::UniformPlanarArrayTestCase
UniformPlanarArrayTestCase(Ptr< AntennaModel > element, uint32_t rows, uint32_t cols, double rowSpace, double colSpace, double alpha, double beta, Angles direction, double expectedGainDb)
The constructor of the test case.
Definition: test-uniform-planar-array.cc:129
UniformPlanarArrayTestCase::ComputeGain
double ComputeGain(Ptr< UniformPlanarArray > a)
Compute the gain of the antenna array.
Definition: test-uniform-planar-array.cc:152
UniformPlanarArrayTestCase::m_direction
Angles m_direction
the testing direction
Definition: test-uniform-planar-array.cc:106
UniformPlanarArrayTestCase::DoRun
void DoRun() override
Run the test.
Definition: test-uniform-planar-array.cc:181
UniformPlanarArrayTestCase::m_cols
uint32_t m_cols
the number of columns
Definition: test-uniform-planar-array.cc:101
UniformPlanarArrayTestCase::m_rows
uint32_t m_rows
the number of rows
Definition: test-uniform-planar-array.cc:100
UniformPlanarArrayTestCase::BuildNameString
static std::string BuildNameString(Ptr< AntennaModel > element, uint32_t rows, uint32_t cols, double rowSpace, double colSpace, double alpha, double beta, Angles direction)
Generate a string containing all relevant parameters.
Definition: test-uniform-planar-array.cc:111
UniformPlanarArrayTestCase::m_alpha
double m_alpha
the bearing angle [rad]
Definition: test-uniform-planar-array.cc:104
UniformPlanarArrayTestCase::m_beta
double m_beta
the titling angle [rad]
Definition: test-uniform-planar-array.cc:105
UniformPlanarArrayTestSuite
UniformPlanarArray Test Suite.
Definition: test-uniform-planar-array.cc:214
ns3::Angles
Class holding the azimuth and inclination angles of spherical coordinates.
Definition: angles.h:118
ns3::DoubleValue
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:42
ns3::MatrixArray
MatrixArray class inherits ValArray class and provides additional interfaces to ValArray which enable...
Definition: matrix-array.h:83
ns3::PointerValue
Hold objects of type Ptr<T>.
Definition: pointer.h:37
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
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::UintegerValue
Hold an unsigned integer type.
Definition: uinteger.h:45
ns3::ValArray::GetSize
size_t GetSize() const
Definition: val-array.h:400
uint32_t
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_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:251
NS_TEST_EXPECT_MSG_EQ_TOL
#define NS_TEST_EXPECT_MSG_EQ_TOL(actual, limit, tol, msg)
Test that actual and expected (limit) values are equal to plus or minus some tolerance and report if ...
Definition: test.h:510
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::DegreesToRadians
double DegreesToRadians(double degrees)
converts degrees to radians
Definition: angles.cc:39
ns3::RadiansToDegrees
double RadiansToDegrees(double radians)
converts radians to degrees
Definition: angles.cc:45
staticUniformPlanarArrayTestSuiteInstance
static UniformPlanarArrayTestSuite staticUniformPlanarArrayTestSuiteInstance
Definition: test-uniform-planar-array.cc:395