def test_QAM_SEP_256qam(self):
Nsymb_test, Nerr_test, SEP_test = (4986, 2190, 0.43922984356197353)
x, b, tx_data = dc.QAM_bb(5000, 10, '256qam', 'src')
x = dc.cpx_AWGN(x, 20, 10)
y = signal.lfilter(b, 1, x)
Nsymb, Nerr, SEP = dc.QAM_SEP(tx_data,
y[10 + 10 * 12::10],
'256qam',
Ntransient=0)
self.assertEqual(Nsymb, Nsymb_test)
self.assertEqual(Nerr, Nerr_test)
self.assertEqual(SEP, SEP_test)
def test_QAM_SEP_64qam(self):
Nsymb_test, Nerr_test, SEP_test = (4986, 245, 0.04913758523866827)
x, b, tx_data = dc.QAM_bb(5000, 10, '64qam', 'src')
x = dc.cpx_AWGN(x, 20, 10)
y = signal.lfilter(b, 1, x)
Nsymb, Nerr, SEP = dc.QAM_SEP(tx_data,
y[10 + 10 * 12::10],
'64qam',
Ntransient=0)
self.assertEqual(Nsymb, Nsymb_test)
self.assertEqual(Nerr, Nerr_test)
self.assertEqual(SEP, SEP_test)
def test_QAM_SEP_16qam_error(self):
Nsymb_test, Nerr_test, SEP_test = (9976, 172, 0.017241379310344827)
x, b, tx_data = dc.QAM_bb(10000, 1, '16qam', 'rect')
x = dc.cpx_AWGN(x, 15, 1)
y = signal.lfilter(b, 1, x)
Nsymb, Nerr, SEP = dc.QAM_SEP(tx_data,
y[1 * 12::1],
'16qam',
Ntransient=0)
self.assertEqual(Nsymb, Nsymb_test)
self.assertEqual(Nerr, Nerr_test)
self.assertEqual(SEP, SEP_test)
def test_QAM_SEP_qpsk(self):
Nsymb_test, Nerr_test, SEP_test = (4986, 0, 0.0)
x, b, tx_data = dc.QAM_bb(5000, 10, 'qpsk', 'src')
x = dc.cpx_AWGN(x, 20, 10)
y = signal.lfilter(b, 1, x)
Nsymb, Nerr, SEP = dc.QAM_SEP(tx_data,
y[10 + 10 * 12::10],
'qpsk',
Ntransient=0)
self.assertEqual(Nsymb, Nsymb_test)
self.assertEqual(Nerr, Nerr_test)
self.assertEqual(SEP, SEP_test)
def test_QAM_SEP_mod_error(self):
tx = np.ones(10)
rx = np.ones(10)
with self.assertRaisesRegexp(ValueError, 'Unknown mod_type'):
dc.QAM_SEP(tx, rx, 'unknown')
