def __init__(self, k=4.0, tchannel=1, voltage=0):
gr.hier_block2.__init__(
self,
"channel",
gr.io_signature(1, 1, gr.sizeof_float * 1),
gr.io_signature(1, 1, gr.sizeof_float * 1),
)
##################################################
# Parameters
##################################################
self.k = k
self.tchannel = tchannel
self.voltage = voltage
##################################################
# Blocks
##################################################
self.channels_fading_model_0_0 = channels.fading_model(
8, 5 / 32000, False, 4.0, 0)
self.channels_fading_model_0 = channels.fading_model(
8, 5 / 32000, True, k, 0)
self.blocks_float_to_complex_0_0 = blocks.float_to_complex(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_complex_to_float_0_0_0 = blocks.complex_to_float(1)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.analog_noise_source_x_0 = analog.noise_source_f(
analog.GR_GAUSSIAN, voltage, 0)
self.Multiplexer_mux_0 = Multiplexer.mux(tchannel)
##################################################
# Connections
##################################################
self.connect((self.Multiplexer_mux_0, 0), (self, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.Multiplexer_mux_0, 0))
self.connect((self.blocks_complex_to_float_0, 0),
(self.Multiplexer_mux_0, 2))
self.connect((self.blocks_complex_to_float_0_0_0, 0),
(self.Multiplexer_mux_0, 1))
self.connect((self.blocks_float_to_complex_0, 0),
(self.channels_fading_model_0_0, 0))
self.connect((self.blocks_float_to_complex_0_0, 0),
(self.channels_fading_model_0, 0))
self.connect((self.channels_fading_model_0, 0),
(self.blocks_complex_to_float_0_0_0, 0))
self.connect((self.channels_fading_model_0_0, 0),
(self.blocks_complex_to_float_0, 0))
self.connect((self, 0), (self.blocks_add_xx_0, 1))
self.connect((self, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self, 0), (self.blocks_float_to_complex_0_0, 0))
