def test_M2(self):
np.set_printoptions(linewidth=np.inf)
for L in [2, 4, 8]:
testUnitaryCode(2, ADSMCode(2, "PSK", L))
mind = getMinimumEuclideanDistance(ADSMCode(2, "PSK", 2).codes)
self.assertAlmostEqual(mind, 4.0)
mind = getMinimumEuclideanDistance(ADSMCode(2, "PSK", 2, 2.0 * np.pi / 4.0).codes)
self.assertAlmostEqual(mind, 2.0)
def test_M4(self):
c = TASTCode(4, 1, 2)
self.assertGreater(getMinimumEuclideanDistance(c.codes), 0.0)
testUnitaryCode(4, c)
c = TASTCode(4, 2, 2)
self.assertGreater(getMinimumEuclideanDistance(c.codes), 0.0)
testUnitaryCode(4, c)
c = TASTCode(4, 2, 4)
self.assertGreater(getMinimumEuclideanDistance(c.codes), 0.0)
testUnitaryCode(4, c)
def test_QAM(self):
for L in 2**np.arange(2, 8, 2):
mod = Modulator("QAM", L)
meanNorm = np.mean(np.square(np.abs(mod.symbols)))
self.assertAlmostEqual(meanNorm,
1.0,
msg="The mean power of QAM(" + str(L) +
") symbols differs from 1.0")
med = getMinimumEuclideanDistance(mod.symbols.reshape(L, 1, 1))
self.assertGreater(med,
0,
msg="The minimum Euclidean distance of QAM(" +
str(L) + ") symbols is too small")