def transportMessage(self, message, Input, Output):
'''
obj1 = Sensor(None)
obj2 = Network()
if type(Input)==type(obj1): dist = np.sqrt(Input.x**2 + Input.y**2)
elif type(Input)==type(obj2): dist = np.sqrt(Output.x**2 + Output.y**2)
'''
if self.type == 'no-fading':
self.channel = ch.SISOFlatChannel(self.stdDev, (1j, 0))
elif self.type == 'rayleigh':
self.channel = ch.SISOFlatChannel(self.stdDev, (1j, 0))
received = self.channel.propagate(message)
Output.receiveMessage(received)
decoded_bits[:len(message_bits)])
if num_bit_errors != 0:
print(num_bit_errors, "Bit Errors found!")
elif i == 9:
print("No Bit Errors :)")
# ==================================================================================================
# Complete example using Commpy features and compare hard and soft demodulation. Example with code 1
# ==================================================================================================
# Modem : QPSK
modem = mod.QAMModem(4)
# AWGN channel
channels = chan.SISOFlatChannel(None, (1 + 0j, 0j))
# SNR range to test
SNRs = np.arange(0, 6) + 10 * math.log10(modem.num_bits_symbol)
# Modulation function
def modulate(bits):
return modem.modulate(cc.conv_encode(bits, trellis1, 'cont'))
# Receiver function (no process required as there are no fading)
def receiver_hard(y, h, constellation, noise_var):
return modem.demodulate(y, 'hard')