/** Test of generateQAMSignal method, of class simulator.qam.FadingNoisyQAM. */
public void testGenerateQAMSignal() {
System.out.println("generateQAMSignal");
FadingNoisyQAM instance = new FadingNoisyQAM();
double[] xr = instance.getTransmittedRealQAMSignal();
double[] xi = instance.getTransmittedImagQAMSignal();
for (int i = 0; i < xr.length; i++) {
assertEquals(true, Math.abs(xr[i]) <= 7);
assertEquals(true, Math.abs(xr[i]) <= 7);
}
}
/** Test of symbolErrorRate method, of class simulator.qam.FadingNoisyQAM. */
public void testSymbolErrorRate() {
System.out.println("symbolErrors");
double xr[] = {1, 1, 3};
double xi[] = {1, 1, 3};
double yr[] = {1, 1, 3};
double yi[] = {1, 1, 3};
FadingNoisyQAM instance = new FadingNoisyQAM();
instance.setLength(3);
assertEquals(0.0, instance.symbolErrorRate(xr, xi, yr, yi));
double xr1[] = {1, 1, 3};
double xi1[] = {1, 1, 3};
double yr1[] = {1, 1, 3};
double yi1[] = {1, 1, -1};
assertEquals(1.0 / 3.0, instance.symbolErrorRate(xr1, xi1, yr1, yi1));
}
/** Test of generateReceivedSignal method, of class simulator.qam.FadingNoisyQAM. */
public void testGenerateReceivedSignal() {
System.out.println("generateReceivedSignal");
FadingNoisyQAM instance = new FadingNoisyQAM();
double[] xr = {1.0, 2.0, -2.0};
double[] xi = {1.0, -3.0, 1.0};
instance.setChannel(-0.4326, -1.6656);
RealRandomVariable noise = new pubsim.distributions.UniformNoise(0.0, 0.0);
instance.setNoiseGenerator(noise);
instance.setTransmittedSignal(xr, xi);
double[] expr = {1.2330, -5.8620, 2.5308};
double[] expi = {-2.0982, -2.0334, 2.8986};
instance.generateReceivedSignal();
System.out.println(VectorFunctions.print(instance.getInphase()));
System.out.println(VectorFunctions.print(instance.getQuadrature()));
assertEquals(true, VectorFunctions.distance_between(expr, instance.getInphase()) < 0.00001);
assertEquals(true, VectorFunctions.distance_between(expi, instance.getQuadrature()) < 0.00001);
}