def test_preamble(self):
pream_len = 52
pream = (mapper.preamble_generator(pream_len, 511,
1033)).get_preamble()
rand_src = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, 1024)), True)
head = blocks.head(gr.sizeof_char * 1, 1024)
src_sink = blocks.vector_sink_b(1)
pream_inst = mapper.preamble_insert_bb(pream_len * 10, (pream))
bit2symb = mapper.mapper(mapper.BPSK, ([0, 1]))
pream_sync = mapper.preamble_sync_cc(pream_len * 10, (pream),
mapper.BPSK, ([0, 1]), .97, .90)
symb2bit = mapper.demapper(mapper.BPSK, ([0, 1]))
rec_sink = blocks.vector_sink_b(1)
self.tb.connect((rand_src, 0), (head, 0))
self.tb.connect((head, 0), (pream_inst, 0))
self.tb.connect((head, 0), (src_sink, 0))
self.tb.connect((pream_inst, 0), (bit2symb, 0))
self.tb.connect((bit2symb, 0), (pream_sync, 0))
self.tb.connect((pream_sync, 0), (symb2bit, 0))
self.tb.connect((symb2bit, 0), (rec_sink, 0))
self.tb.start()
sleep(1)
self.tb.stop()
data_space = pream_len * 9
sd = src_sink.data()
rd = rec_sink.data()
self.assertEqual(sd[0:data_space], rd[0:data_space])
def test_mapping(self):
src_data = (
0,
0,
0,
1,
0,
0,
1,
0,
1,
1,
1,
1,
1,
1,
0,
0,
1,
0,
0,
1,
1,
0,
0,
1,
) * 16
src = blocks.vector_source_b(src_data, False)
mapped = mapper.mapper(mapper.PSK8, ([0, 1, 3, 2, 6, 7, 5, 4]))
demapped = mapper.demapper(mapper.PSK8, ([0, 1, 3, 2, 6, 7, 5, 4]))
dst = blocks.vector_sink_b(1)
self.tb.connect(src, mapped, demapped, dst)
self.tb.run()
self.assertEqual(src_data, dst.data())
def test_preamble (self):
pream_len = 52
pream = (mapper.preamble_generator(pream_len,511,1033)).get_preamble()
rand_src = blocks.vector_source_b(map(int, numpy.random.randint(0, 2, 1024)), True)
head = blocks.head(gr.sizeof_char*1, 1024)
src_sink = blocks.vector_sink_b(1)
pream_inst = mapper.preamble_insert_bb(pream_len*10, (pream))
bit2symb = mapper.mapper(mapper.BPSK, ([0,1]))
pream_sync = mapper.preamble_sync_cc(pream_len*10, (pream), mapper.BPSK, ([0,1]), .97, .90)
symb2bit = mapper.demapper(mapper.BPSK, ([0,1]))
rec_sink = blocks.vector_sink_b(1)
self.tb.connect((rand_src, 0), (head, 0))
self.tb.connect((head, 0), (pream_inst, 0))
self.tb.connect((head, 0), (src_sink, 0))
self.tb.connect((pream_inst, 0), (bit2symb, 0))
self.tb.connect((bit2symb, 0), (pream_sync, 0))
self.tb.connect((pream_sync, 0), (symb2bit, 0))
self.tb.connect((symb2bit, 0), (rec_sink, 0))
self.tb.start()
sleep(1)
self.tb.stop()
data_space = pream_len*9
sd = src_sink.data()
rd = rec_sink.data()
self.assertEqual(sd[0:data_space],rd[0:data_space])
def test_mapping (self):
src_data = (0,0,0,1,0,0,1,0,1,1,1,1,1,1,0,0,1,0,0,1,1,0,0,1,)*16
src = blocks.vector_source_b(src_data, False)
mapped = mapper.mapper(mapper.PSK8, ([0,1,3,2,6,7,5,4]))
demapped = mapper.demapper(mapper.PSK8, ([0,1,3,2,6,7,5,4]))
dst = blocks.vector_sink_b(1)
self.tb.connect(src, mapped, demapped, dst)
self.tb.run()
self.assertEqual(src_data, dst.data())
##################################################
# Blocks
##################################################
rand_src = blocks.vector_source_b(map(int, numpy.random.randint(0, 2, 1024)),
True)
#head = blocks.head(gr.sizeof_char*1, 1024)
src_sink = blocks.vector_sink_b(1)
pream_inst = mapper.preamble_insert_bb(pream_len * 10, (pream))
pre_sink = blocks.vector_sink_b(1)
bit2symb = mapper.mapper(mapper.BPSK, ([0, 1]))
sym_sink = blocks.vector_sink_c(1)
pream_sync = mapper.preamble_sync_cc(pream_len * 10, (pream), mapper.BPSK,
([0, 1]), .97, .90)
snc_sink = blocks.vector_sink_c(1)
symb2bit = mapper.demapper(mapper.BPSK, ([0, 1]))
rec_sink = blocks.vector_sink_b(1)
##################################################
# Connections
##################################################
#tb.connect((rand_src, 0), (head, 0))
tb.connect((rand_src, 0), (pream_inst, 0))
tb.connect((rand_src, 0), (src_sink, 0))
#tb.connect((head, 0), (pream_inst, 0))
#tb.connect((head, 0), (src_sink, 0))
tb.connect((pream_inst, 0), (bit2symb, 0))
tb.connect((pream_inst, 0), (pre_sink, 0))
tb.connect((bit2symb, 0), (pream_sync, 0))
tb.connect((bit2symb, 0), (sym_sink, 0))
tb.connect((pream_sync, 0), (symb2bit, 0))
samp_rate = samp_rate = 32000 pream = pream = (mapper.preamble_generator(pream_len,511,1033)).get_preamble() ################################################## # Blocks ################################################## rand_src = blocks.vector_source_b(map(int, numpy.random.randint(0, 2, 1024)), True) #head = blocks.head(gr.sizeof_char*1, 1024) src_sink = blocks.vector_sink_b(1) pream_inst = mapper.preamble_insert_bb(pream_len*10, (pream)) pre_sink = blocks.vector_sink_b(1) bit2symb = mapper.mapper(mapper.BPSK, ([0,1])) sym_sink = blocks.vector_sink_c(1) pream_sync = mapper.preamble_sync_cc(pream_len*10, (pream), mapper.BPSK, ([0,1]), .97, .90) snc_sink = blocks.vector_sink_c(1) symb2bit = mapper.demapper(mapper.BPSK, ([0,1])) rec_sink = blocks.vector_sink_b(1) ################################################## # Connections ################################################## #tb.connect((rand_src, 0), (head, 0)) tb.connect((rand_src, 0), (pream_inst, 0)) tb.connect((rand_src, 0), (src_sink, 0)) #tb.connect((head, 0), (pream_inst, 0)) #tb.connect((head, 0), (src_sink, 0)) tb.connect((pream_inst, 0), (bit2symb, 0)) tb.connect((pream_inst, 0), (pre_sink, 0)) tb.connect((bit2symb, 0), (pream_sync, 0)) tb.connect((bit2symb, 0), (sym_sink, 0)) tb.connect((pream_sync, 0), (symb2bit, 0))
def __init__(self):
gr.top_block.__init__(self, "Sync Test")
Qt.QWidget.__init__(self)
self.setWindowTitle("Sync Test")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "sync_test")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pream_len = pream_len = 84
self.samp_rate = samp_rate = 32000
self.pream = pream = (mapper.preamble_generator(pream_len,511,1033)).get_preamble()
self.SNR = SNR = 40
self.Rotation = Rotation = 0
self.Offset = Offset = 0
##################################################
# Blocks
##################################################
self._SNR_tool_bar = Qt.QToolBar(self)
self._SNR_tool_bar.addWidget(Qt.QLabel("SNR"+": "))
self._SNR_line_edit = Qt.QLineEdit(str(self.SNR))
self._SNR_tool_bar.addWidget(self._SNR_line_edit)
self._SNR_line_edit.returnPressed.connect(
lambda: self.set_SNR(eng_notation.str_to_num(self._SNR_line_edit.text().toAscii())))
self.top_layout.addWidget(self._SNR_tool_bar)
self._Rotation_layout = Qt.QVBoxLayout()
self._Rotation_label = Qt.QLabel("Rotation")
self._Rotation_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._Rotation_slider.setRange(0, 2*pi, pi/100)
self._Rotation_slider.setValue(self.Rotation)
self._Rotation_slider.setMinimumWidth(200)
self._Rotation_slider.valueChanged.connect(self.set_Rotation)
self._Rotation_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._Rotation_layout.addWidget(self._Rotation_label)
self._Rotation_layout.addWidget(self._Rotation_slider)
self.top_layout.addLayout(self._Rotation_layout)
self._Offset_layout = Qt.QVBoxLayout()
self._Offset_tool_bar = Qt.QToolBar(self)
self._Offset_layout.addWidget(self._Offset_tool_bar)
self._Offset_tool_bar.addWidget(Qt.QLabel("Offset"+": "))
self._Offset_counter = Qwt.QwtCounter()
self._Offset_counter.setRange(-100, 100, 1)
self._Offset_counter.setNumButtons(2)
self._Offset_counter.setValue(self.Offset)
self._Offset_tool_bar.addWidget(self._Offset_counter)
self._Offset_counter.valueChanged.connect(self.set_Offset)
self._Offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._Offset_slider.setRange(-100, 100, 1)
self._Offset_slider.setValue(self.Offset)
self._Offset_slider.setMinimumWidth(200)
self._Offset_slider.valueChanged.connect(self.set_Offset)
self._Offset_layout.addWidget(self._Offset_slider)
self.top_layout.addLayout(self._Offset_layout)
self.qtgui_const_sink_x_0_1 = qtgui.const_sink_c(
840-84, #size
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_1.set_update_time(0.10)
self.qtgui_const_sink_x_0_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_1.set_x_axis(-2, 2)
self._qtgui_const_sink_x_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_1_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
840-84, #size
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.mapper_preamble_sync_cc_0 = mapper.preamble_sync_cc(pream_len*10, (pream), mapper.PSK8, ([0,1,2,3,4,5,6,7]), .97, .90)
self.mapper_preamble_insert_bb_0 = mapper.preamble_insert_bb(pream_len*10, (pream))
self.mapper_mapper_0 = mapper.mapper(mapper.PSK8, ([0,1,2,3,4,5,6,7]))
self.mapper_demapper_0 = mapper.demapper(mapper.PSK8, ([0,1,2,3,4,5,6,7]))
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1.5*pi/100, 8)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=10**(-SNR/20.0),
frequency_offset=Offset,
epsilon=1.0,
taps=(exp( (0 + 1j*Rotation) ), ),
noise_seed=0,
block_tags=False
)
self.blocks_vector_sink_x_0_0 = blocks.vector_sink_b(1)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(3)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 7, 10000)), True)
##################################################
# Connections
##################################################
self.connect((self.mapper_preamble_insert_bb_0, 0), (self.mapper_mapper_0, 0))
self.connect((self.mapper_preamble_sync_cc_0, 0), (self.mapper_demapper_0, 0))
self.connect((self.mapper_mapper_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.mapper_preamble_sync_cc_0, 0))
self.connect((self.mapper_preamble_sync_cc_0, 0), (self.qtgui_const_sink_x_0_1, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.mapper_preamble_insert_bb_0, 0))
self.connect((self.mapper_demapper_0, 0), (self.blocks_vector_sink_x_0_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Sync Test")
Qt.QWidget.__init__(self)
self.setWindowTitle("Sync Test")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "sync_test")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pream_len = pream_len = 84
self.samp_rate = samp_rate = 32000
self.pream = pream = (mapper.preamble_generator(pream_len, 511,
1033)).get_preamble()
self.SNR = SNR = 40
self.Rotation = Rotation = 0
self.Offset = Offset = 0
##################################################
# Blocks
##################################################
self._SNR_tool_bar = Qt.QToolBar(self)
self._SNR_tool_bar.addWidget(Qt.QLabel("SNR" + ": "))
self._SNR_line_edit = Qt.QLineEdit(str(self.SNR))
self._SNR_tool_bar.addWidget(self._SNR_line_edit)
self._SNR_line_edit.returnPressed.connect(lambda: self.set_SNR(
eng_notation.str_to_num(self._SNR_line_edit.text().toAscii())))
self.top_layout.addWidget(self._SNR_tool_bar)
self._Rotation_layout = Qt.QVBoxLayout()
self._Rotation_label = Qt.QLabel("Rotation")
self._Rotation_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._Rotation_slider.setRange(0, 2 * pi, pi / 100)
self._Rotation_slider.setValue(self.Rotation)
self._Rotation_slider.setMinimumWidth(200)
self._Rotation_slider.valueChanged.connect(self.set_Rotation)
self._Rotation_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._Rotation_layout.addWidget(self._Rotation_label)
self._Rotation_layout.addWidget(self._Rotation_slider)
self.top_layout.addLayout(self._Rotation_layout)
self._Offset_layout = Qt.QVBoxLayout()
self._Offset_tool_bar = Qt.QToolBar(self)
self._Offset_layout.addWidget(self._Offset_tool_bar)
self._Offset_tool_bar.addWidget(Qt.QLabel("Offset" + ": "))
self._Offset_counter = Qwt.QwtCounter()
self._Offset_counter.setRange(-100, 100, 1)
self._Offset_counter.setNumButtons(2)
self._Offset_counter.setValue(self.Offset)
self._Offset_tool_bar.addWidget(self._Offset_counter)
self._Offset_counter.valueChanged.connect(self.set_Offset)
self._Offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._Offset_slider.setRange(-100, 100, 1)
self._Offset_slider.setValue(self.Offset)
self._Offset_slider.setMinimumWidth(200)
self._Offset_slider.valueChanged.connect(self.set_Offset)
self._Offset_layout.addWidget(self._Offset_slider)
self.top_layout.addLayout(self._Offset_layout)
self.qtgui_const_sink_x_0_1 = qtgui.const_sink_c(
840 - 84, #size
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_1.set_update_time(0.10)
self.qtgui_const_sink_x_0_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_1.set_x_axis(-2, 2)
self._qtgui_const_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_const_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_1_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
840 - 84, #size
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.mapper_preamble_sync_cc_0 = mapper.preamble_sync_cc(
pream_len * 10, (pream), mapper.PSK8, ([0, 1, 2, 3, 4, 5, 6, 7]),
.97, .90)
self.mapper_preamble_insert_bb_0 = mapper.preamble_insert_bb(
pream_len * 10, (pream))
self.mapper_mapper_0 = mapper.mapper(mapper.PSK8,
([0, 1, 2, 3, 4, 5, 6, 7]))
self.mapper_demapper_0 = mapper.demapper(mapper.PSK8,
([0, 1, 2, 3, 4, 5, 6, 7]))
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
1.5 * pi / 100, 8)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=10**(-SNR / 20.0),
frequency_offset=Offset,
epsilon=1.0,
taps=(exp((0 + 1j * Rotation)), ),
noise_seed=0,
block_tags=False)
self.blocks_vector_sink_x_0_0 = blocks.vector_sink_b(1)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(3)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 7, 10000)), True)
##################################################
# Connections
##################################################
self.connect((self.mapper_preamble_insert_bb_0, 0),
(self.mapper_mapper_0, 0))
self.connect((self.mapper_preamble_sync_cc_0, 0),
(self.mapper_demapper_0, 0))
self.connect((self.mapper_mapper_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.mapper_preamble_sync_cc_0, 0))
self.connect((self.mapper_preamble_sync_cc_0, 0),
(self.qtgui_const_sink_x_0_1, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.mapper_preamble_insert_bb_0, 0))
self.connect((self.mapper_demapper_0, 0),
(self.blocks_vector_sink_x_0_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.qtgui_const_sink_x_0, 0))