def __init__(self, samplerate, bits_per_sec, fftlen): gr.hier_block2.__init__( self, "gmsk_sync", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature #this is just the old square-and-fft method #ais.freqest is simply looking for peaks spaced bits-per-sec apart self.square = gr.multiply_cc(1) self.fftvect = gr.stream_to_vector(gr.sizeof_gr_complex, fftlen) self.fft = gr.fft_vcc(fftlen, True, window.rectangular(fftlen), True) self.freqest = ais.freqest(int(samplerate), int(bits_per_sec), fftlen) self.repeat = gr.repeat(gr.sizeof_float, fftlen) self.fm = gr.frequency_modulator_fc(-1.0 / (float(samplerate) / (2 * pi))) self.mix = gr.multiply_cc(1) self.connect(self, (self.square, 0)) self.connect(self, (self.square, 1)) #this is the feedforward branch self.connect(self, (self.mix, 0)) #this is the feedback branch self.connect(self.square, self.fftvect, self.fft, self.freqest, self.repeat, self.fm, (self.mix, 1)) #and this is the output self.connect(self.mix, self)
def __init__(self, ): # """ # docstring # """ gr.hier_block2.__init__(self, "viterbi_vfvb", gr.io_signature(1,1, gr.sizeof_float*120), # sizeof (<+float+>)), # Input signature gr.io_signature(1,1, gr.sizeof_char*40 )) #sizeof (<+float+>))) # Output signature #print "\nlte_viterbi_vfvb START" #tpp=gr.tag_propagation_policy() ################################# # Define blocks # Repeat input vector one time to get viterbi decoder state right (tail-biting stuff) self.rpt = gr.repeat(gr.sizeof_float*120,2) # viterbi decoder requires stream as input self.vtos = gr.vector_to_stream(1*gr.sizeof_float,120) # Correct FSM instantiation: k=num_input_bits, n=num_output_bits, Tuple[dim(k*n)] (decimal notation) self.fsm = trellis.fsm(1,3,[91,121,117]) # Values for viterbi decoder K = 80 # steps for one coding block SO = 0 # initial state SK = -1 # final state (in this case unknown, therefore -1) D = 3 # dimensionality # D = 3 follows from the fact that 1 {0,1} input symbol of the encoder produces 3 {0,1} output symbols. # (packed into one byte {0,1,...,7} ) # with NRZ coding follows: # 0 --> 1 # 1 --> -1 # This leads to the following constellation input # | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | constellation = [1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1] # print "len(constellation)/D = " + str(len(constellation)/D) + "\tfsm.O = " + str(self.fsm.O()) # Viterbi_combined input: FSM, K, SO, SK, D, TABLE, TYPE # FSM = Finite State Machine # K = number of output symbols produced by the FSM # SO = initial state of the FSM # SK = final state of the FSM (unknown in this example) # D = dimensionality # TABLE = constellation of the input symbols self.vit = trellis.viterbi_combined_fb(self.fsm,K,SO,SK,D,constellation,200) # stream output of viterbi decoder to vector self.stov2 = gr.stream_to_vector(1*gr.sizeof_char,80) # second half of the viterbi output carries desired information. (tail-biting stuff) my_map=range(40) for i in my_map: my_map[i]=i+40 self.map = lte.vector_resize_vbvb(my_map,80,40) self.connect(self,self.rpt,self.vtos,self.vit,self.stov2,self.map,self)
def test_001_float(self): src_data = [n*1.0 for n in range(100)]; dst_data = [] for n in range(100): dst_data += [1.0*n, 1.0*n, 1.0*n] src = gr.vector_source_f(src_data) rpt = gr.repeat(gr.sizeof_float, 3) dst = gr.vector_sink_f() self.tb.connect(src, rpt, dst) self.tb.run() self.assertFloatTuplesAlmostEqual(dst_data, dst.data(), 6)
def test_001_octet(self): src_data = [n*1 for n in range(100)]; dst_data = [] for n in range(100): dst_data += [n, n, n] src = gr.vector_source_b(src_data) rpt = gr.repeat(gr.sizeof_char, 3) dst = gr.vector_sink_b() self.tb.connect(src, rpt, dst) self.tb.run() self.assertEqual(tuple(dst_data), dst.data())
def test_001_complex(self): src_data = [n*1.0 for n in range(100)]; dst_data = [] for n in range(100): dst_data += [1.0*n, 1.0*n, 1.0*n] src = gr.vector_source_c(src_data) rpt = gr.repeat(gr.sizeof_gr_complex, 3) dst = gr.vector_sink_c() self.tb.connect(src, rpt, dst) self.tb.run() self.assertComplexTuplesAlmostEqual(dst_data, dst.data(), 6)
def test_001_float(self): src_data = [n * 1.0 for n in range(100)] dst_data = [] for n in range(100): dst_data += [1.0 * n, 1.0 * n, 1.0 * n] src = gr.vector_source_f(src_data) rpt = gr.repeat(gr.sizeof_float, 3) dst = gr.vector_sink_f() self.tb.connect(src, rpt, dst) self.tb.run() self.assertFloatTuplesAlmostEqual(dst_data, dst.data(), 6)
def __init__(self): gr.top_block.__init__(self) self.src = gr.message_source(gr.sizeof_char, msgq_limit) src = self.src b_to_syms = gr.bytes_to_syms() self.mult = gr.multiply_const_ff(MULTIPLIER) add = gr.add_const_ff(CENTER_FREQ) repeater = gr.repeat(gr.sizeof_float,REPEAT_TIME) fsk_f = gr.vco_f(AUDIO_RATE, 2*pi,0.5) speaker = audio.sink(AUDIO_RATE, "plughw:0,0"); self.connect(src,b_to_syms,self.mult,add,repeater,fsk_f,speaker)
def __init__(self, samplerate, bits_per_sec, fftlen): gr.hier_block2.__init__(self, "gmsk_sync", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature #this is just the old square-and-fft method #ais.freqest is simply looking for peaks spaced bits-per-sec apart self.square = gr.multiply_cc(1) self.fftvect = gr.stream_to_vector(gr.sizeof_gr_complex, fftlen) self.fft = gr.fft_vcc(fftlen, True, window.rectangular(fftlen), True) self.freqest = ais.freqest(int(samplerate), int(bits_per_sec), fftlen) self.repeat = gr.repeat(gr.sizeof_float, fftlen) self.fm = gr.frequency_modulator_fc(-1.0/(float(samplerate)/(2*pi))) self.mix = gr.multiply_cc(1) self.connect(self, (self.square, 0)) self.connect(self, (self.square, 1)) #this is the feedforward branch self.connect(self, (self.mix, 0)) #this is the feedback branch self.connect(self.square, self.fftvect, self.fft, self.freqest, self.repeat, self.fm, (self.mix, 1)) #and this is the output self.connect(self.mix, self)
def __init__(self): gr.top_block.__init__(self) audio_rate =48000 # audio rate changed self.src = gr.message_source(gr.sizeof_char, msgq_limit) src = self.src b_to_syms = gr.bytes_to_syms() mult = gr.multiply_const_ff(1000) add = gr.add_const_ff(CentreFreq) repeater = gr.repeat(gr.sizeof_float,RepeatTime) fsk_f = gr.vco_f(audio_rate, 2*pi,0.5) # Sensitivity is rad/sec/volt ( e.g 2*pi*f/sec = 1Khz) and here f = volts (input amplitude of VCO) attenuator = gr.multiply_const_ff(0.05) # multiply speaker = audio.sink(audio_rate, "plughw:0,0"); dst = gr.wavfile_sink("tx-signal.wav",1, audio_rate, 16) self.connect(src,b_to_syms,mult,add,repeater,fsk_f,attenuator,speaker) self.connect(fsk_f,dst)
def __init__(self, ): # """ # docstring # """ gr.hier_block2.__init__(self, "viterbi_vfvb", gr.io_signature(1,1, gr.sizeof_float*120), # sizeof (<+float+>)), # Input signature gr.io_signature(1,1, gr.sizeof_char*40 )) #sizeof (<+float+>))) # Output signature #print "\nlte_viterbi_vfvb START" #tpp=gr.tag_propagation_policy() ################################# # Define blocks # Repeat input vector one time to get viterbi decoder state right (tail-biting stuff) self.rpt = gr.repeat(gr.sizeof_float*120,2) # viterbi decoder requires stream as input self.vtos = gr.vector_to_stream(1*gr.sizeof_float,120) # Correct FSM instantiation: k=num_input_bits, n=num_output_bits, Tuple[dim(k*n)] (decimal notation) self.fsm = trellis.fsm(1,3,[91,121,117]) # print "\nFSM attributes" # print "FSM.I() = " + str(self.fsm.I()) # input states # print "FSM.S() = " + str(self.fsm.S()) # FSM states # print "FSM.O() = " + str(self.fsm.O()) # output states # print "FSM.NS() = " + str(self.fsm.NS()) # next states of the FSM itself # print "FSM.OS() = " + str(self.fsm.OS()) # output states # print "FSM.PS() = " + str(self.fsm.PS()) # previous states (not available in this example?) # print "FSM.PI() = " + str(self.fsm.PI()) # previous input states (not available in this example?) # print "FSM.TMi() = " + str(self.fsm.TMi()) # print "FSM.TMI() = " + str(self.fsm.TMl()) # Values for viterbi decoder K = 40 # steps for one coding block SO = 0 # initial state SK = -1 # final state (in this case unknown, therefore -1) D = 3 # dimensionality # D = 3 follows from the fact that 1 {0,1} input symbol of the encoder produces 3 {0,1} output symbols. # (packed into one byte {0,1,...,7} ) # with NRZ coding follows: # 0 --> 1 # 1 --> -1 # This leads to the following constellation input # | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | constellation = [1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1] # print "len(constellation)/D = " + str(len(constellation)/D) + "\tfsm.O = " + str(self.fsm.O()) # Viterbi_combined input: FSM, K, SO, SK, D, TABLE, TYPE # FSM = Finite State Machine # K = number of output symbols produced by the FSM # SO = initial state of the FSM # SK = final state of the FSM (unknown in this example) # D = dimensionality # TABLE = constellation of the input symbols self.vit = trellis.viterbi_combined_fb(self.fsm,K,SO,SK,D,constellation,200) # print "\nViterbi_combined_fb attributes" # print "K = " + str(self.vit.K()) # print "SO = " + str(self.vit.SO()) # initial state # print "SK = " + str(self.vit.SK()) # final state # print "D = " + str(self.vit.D()) # print "TYPE = " + str(self.vit.TYPE()) # for i in range(len(self.vit.TABLE())/D): # print "TABLE =\t" + str(self.vit.TABLE()[i*D]) + "\t" + str(self.vit.TABLE()[i*D+1]) + "\t" + str(self.vit.TABLE()[i*D+2]) # stream output of viterbi decoder to vector self.stov2 = gr.stream_to_vector(1*gr.sizeof_char,80) # second half of the viterbi output carries desired information. (tail-biting stuff) my_map=range(40) for i in my_map: my_map[i]=i+40 self.map = lte.vector_resize_vbvb(my_map,80,40) self.connect(self,self.rpt,self.vtos,self.vit,self.stov2,self.map,self)
def __init__(self, freq_corr=0, N_id_1=134, avg_frames=1, N_id_2=0, decim=16): grc_wxgui.top_block_gui.__init__(self, title="Sss Corr2 Gui") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Parameters ################################################## self.freq_corr = freq_corr self.N_id_1 = N_id_1 self.avg_frames = avg_frames self.N_id_2 = N_id_2 self.decim = decim ################################################## # Variables ################################################## self.vec_half_frame = vec_half_frame = 30720*5/decim self.samp_rate = samp_rate = 30720e3/decim self.rot = rot = 0 self.noise_level = noise_level = 0 self.fft_size = fft_size = 2048/decim ################################################## # Blocks ################################################## _rot_sizer = wx.BoxSizer(wx.VERTICAL) self._rot_text_box = forms.text_box( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, label='rot', converter=forms.float_converter(), proportion=0, ) self._rot_slider = forms.slider( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, minimum=0, maximum=1, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_rot_sizer) _noise_level_sizer = wx.BoxSizer(wx.VERTICAL) self._noise_level_text_box = forms.text_box( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, label='noise_level', converter=forms.float_converter(), proportion=0, ) self._noise_level_slider = forms.slider( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, minimum=0, maximum=10, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_noise_level_sizer) self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=2, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.gr_vector_to_stream_1 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0_2 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0_1 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_float*1, fft_size) self.gr_vector_source_x_0_0_0 = gr.vector_source_c((gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size) self.gr_vector_source_x_0_0 = gr.vector_source_c((gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size) self.gr_vector_source_x_0 = gr.vector_source_c((gen_sss_fd( N_id_1, N_id_2, fft_size).get_sss(True)), True, fft_size) self.gr_stream_to_vector_0_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, fft_size) self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, fft_size) self.gr_repeat_0 = gr.repeat(gr.sizeof_float*1, fft_size) self.gr_null_sink_0_0 = gr.null_sink(gr.sizeof_gr_complex*1) self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex*1) self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_level, 0) self.gr_multiply_xx_1 = gr.multiply_vcc(1) self.gr_multiply_xx_0 = gr.multiply_vcc(fft_size) self.gr_multiply_const_vxx_1 = gr.multiply_const_vcc((1/1500., )) self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((exp(rot*2*numpy.pi*1j), )) self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex*fft_size) self.gr_integrate_xx_0 = gr.integrate_ff(fft_size) self.gr_float_to_complex_0_0 = gr.float_to_complex(1) self.gr_float_to_complex_0 = gr.float_to_complex(1) self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/user/git/gr-lte/gr-lte/test/foo_pss0_sss_in.cfile", True) self.gr_fft_vxx_1 = gr.fft_vcc(fft_size, False, (window.blackmanharris(1024)), True, 1) self.gr_fft_vxx_0 = gr.fft_vcc(fft_size, True, (window.blackmanharris(1024)), True, 1) self.gr_divide_xx_0_1 = gr.divide_cc(1) self.gr_divide_xx_0_0 = gr.divide_ff(1) self.gr_divide_xx_0 = gr.divide_cc(1) self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_gr_complex*fft_size) self.gr_conjugate_cc_1 = gr.conjugate_cc() self.gr_conjugate_cc_0 = gr.conjugate_cc() self.gr_complex_to_mag_squared_0_0 = gr.complex_to_mag_squared(1) self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(fft_size) self.gr_add_xx_0 = gr.add_vcc(1) self.gr_add_const_vxx_0 = gr.add_const_vff((1, )) self.const_source_x_0_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0) self.const_source_x_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0) ################################################## # Connections ################################################## self.connect((self.gr_file_source_0, 0), (self.gr_stream_to_vector_0, 0)) self.connect((self.gr_conjugate_cc_0, 0), (self.gr_stream_to_vector_0_0, 0)) self.connect((self.gr_stream_to_vector_0_0, 0), (self.gr_multiply_xx_0, 1)) self.connect((self.gr_deinterleave_0, 0), (self.gr_multiply_xx_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.gr_complex_to_mag_squared_0, 0)) self.connect((self.gr_complex_to_mag_squared_0, 0), (self.gr_vector_to_stream_0, 0)) self.connect((self.gr_vector_to_stream_0, 0), (self.gr_integrate_xx_0, 0)) self.connect((self.gr_integrate_xx_0, 0), (self.gr_repeat_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.gr_vector_to_stream_0_0, 0)) self.connect((self.gr_vector_to_stream_0_1, 0), (self.gr_multiply_xx_1, 1)) self.connect((self.gr_divide_xx_0, 0), (self.gr_multiply_xx_1, 0)) self.connect((self.gr_float_to_complex_0, 0), (self.gr_divide_xx_0, 1)) self.connect((self.gr_conjugate_cc_1, 0), (self.gr_divide_xx_0, 0)) self.connect((self.gr_deinterleave_0, 1), (self.gr_vector_to_stream_0_1, 0)) self.connect((self.gr_repeat_0, 0), (self.gr_float_to_complex_0, 0)) self.connect((self.const_source_x_0, 0), (self.gr_float_to_complex_0, 1)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.gr_conjugate_cc_1, 0)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.gr_complex_to_mag_squared_0_0, 0)) self.connect((self.gr_complex_to_mag_squared_0_0, 0), (self.gr_divide_xx_0_0, 0)) self.connect((self.gr_repeat_0, 0), (self.gr_divide_xx_0_0, 1)) self.connect((self.gr_divide_xx_0_0, 0), (self.gr_add_const_vxx_0, 0)) self.connect((self.gr_add_const_vxx_0, 0), (self.gr_float_to_complex_0_0, 0)) self.connect((self.const_source_x_0_0, 0), (self.gr_float_to_complex_0_0, 1)) self.connect((self.gr_float_to_complex_0_0, 0), (self.gr_divide_xx_0_1, 1)) self.connect((self.gr_multiply_xx_1, 0), (self.gr_divide_xx_0_1, 0)) self.connect((self.gr_stream_to_vector_0, 0), (self.gr_fft_vxx_0, 0)) self.connect((self.gr_fft_vxx_0, 0), (self.gr_deinterleave_0, 0)) self.connect((self.gr_vector_to_stream_0_2, 0), (self.gr_conjugate_cc_0, 0)) self.connect((self.gr_divide_xx_0_1, 0), (self.gr_null_sink_0, 0)) self.connect((self.gr_vector_source_x_0, 0), (self.gr_interleave_0, 1)) self.connect((self.gr_interleave_0, 0), (self.gr_fft_vxx_1, 0)) self.connect((self.gr_fft_vxx_1, 0), (self.gr_vector_to_stream_1, 0)) self.connect((self.gr_vector_source_x_0_0, 0), (self.gr_interleave_0, 0)) self.connect((self.gr_vector_source_x_0_0_0, 0), (self.gr_vector_to_stream_0_2, 0)) self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1)) self.connect((self.gr_vector_to_stream_1, 0), (self.gr_add_xx_0, 0)) self.connect((self.gr_add_xx_0, 0), (self.gr_multiply_const_vxx_0, 0)) self.connect((self.gr_vector_to_stream_0_1, 0), (self.gr_multiply_const_vxx_1, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_null_sink_0_0, 0)) self.connect((self.gr_multiply_const_vxx_1, 0), (self.wxgui_scopesink2_0, 1)) self.connect((self.gr_divide_xx_0_1, 0), (self.wxgui_scopesink2_0, 0))
def __init__(self, freq_corr=0, N_id_1=134, avg_frames=1, N_id_2=0, decim=16): grc_wxgui.top_block_gui.__init__(self, title="Sss Corr2 Gui") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Parameters ################################################## self.freq_corr = freq_corr self.N_id_1 = N_id_1 self.avg_frames = avg_frames self.N_id_2 = N_id_2 self.decim = decim ################################################## # Variables ################################################## self.vec_half_frame = vec_half_frame = 30720 * 5 / decim self.samp_rate = samp_rate = 30720e3 / decim self.rot = rot = 0 self.noise_level = noise_level = 0 self.fft_size = fft_size = 2048 / decim ################################################## # Blocks ################################################## _rot_sizer = wx.BoxSizer(wx.VERTICAL) self._rot_text_box = forms.text_box( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, label='rot', converter=forms.float_converter(), proportion=0, ) self._rot_slider = forms.slider( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, minimum=0, maximum=1, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_rot_sizer) _noise_level_sizer = wx.BoxSizer(wx.VERTICAL) self._noise_level_text_box = forms.text_box( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, label='noise_level', converter=forms.float_converter(), proportion=0, ) self._noise_level_slider = forms.slider( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, minimum=0, maximum=10, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_noise_level_sizer) self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=2, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.gr_vector_to_stream_1 = gr.vector_to_stream( gr.sizeof_gr_complex * 1, fft_size) self.gr_vector_to_stream_0_2 = gr.vector_to_stream( gr.sizeof_gr_complex * 1, fft_size) self.gr_vector_to_stream_0_1 = gr.vector_to_stream( gr.sizeof_gr_complex * 1, fft_size) self.gr_vector_to_stream_0_0 = gr.vector_to_stream( gr.sizeof_gr_complex * 1, fft_size) self.gr_vector_to_stream_0 = gr.vector_to_stream( gr.sizeof_float * 1, fft_size) self.gr_vector_source_x_0_0_0 = gr.vector_source_c( (gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size) self.gr_vector_source_x_0_0 = gr.vector_source_c( (gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size) self.gr_vector_source_x_0 = gr.vector_source_c( (gen_sss_fd(N_id_1, N_id_2, fft_size).get_sss(True)), True, fft_size) self.gr_stream_to_vector_0_0 = gr.stream_to_vector( gr.sizeof_gr_complex * 1, fft_size) self.gr_stream_to_vector_0 = gr.stream_to_vector( gr.sizeof_gr_complex * 1, fft_size) self.gr_repeat_0 = gr.repeat(gr.sizeof_float * 1, fft_size) self.gr_null_sink_0_0 = gr.null_sink(gr.sizeof_gr_complex * 1) self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex * 1) self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_level, 0) self.gr_multiply_xx_1 = gr.multiply_vcc(1) self.gr_multiply_xx_0 = gr.multiply_vcc(fft_size) self.gr_multiply_const_vxx_1 = gr.multiply_const_vcc((1 / 1500., )) self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc( (exp(rot * 2 * numpy.pi * 1j), )) self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex * fft_size) self.gr_integrate_xx_0 = gr.integrate_ff(fft_size) self.gr_float_to_complex_0_0 = gr.float_to_complex(1) self.gr_float_to_complex_0 = gr.float_to_complex(1) self.gr_file_source_0 = gr.file_source( gr.sizeof_gr_complex * 1, "/home/user/git/gr-lte/gr-lte/test/foo_pss0_sss_in.cfile", True) self.gr_fft_vxx_1 = gr.fft_vcc(fft_size, False, (window.blackmanharris(1024)), True, 1) self.gr_fft_vxx_0 = gr.fft_vcc(fft_size, True, (window.blackmanharris(1024)), True, 1) self.gr_divide_xx_0_1 = gr.divide_cc(1) self.gr_divide_xx_0_0 = gr.divide_ff(1) self.gr_divide_xx_0 = gr.divide_cc(1) self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_gr_complex * fft_size) self.gr_conjugate_cc_1 = gr.conjugate_cc() self.gr_conjugate_cc_0 = gr.conjugate_cc() self.gr_complex_to_mag_squared_0_0 = gr.complex_to_mag_squared(1) self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(fft_size) self.gr_add_xx_0 = gr.add_vcc(1) self.gr_add_const_vxx_0 = gr.add_const_vff((1, )) self.const_source_x_0_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0) self.const_source_x_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0) ################################################## # Connections ################################################## self.connect((self.gr_file_source_0, 0), (self.gr_stream_to_vector_0, 0)) self.connect((self.gr_conjugate_cc_0, 0), (self.gr_stream_to_vector_0_0, 0)) self.connect((self.gr_stream_to_vector_0_0, 0), (self.gr_multiply_xx_0, 1)) self.connect((self.gr_deinterleave_0, 0), (self.gr_multiply_xx_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.gr_complex_to_mag_squared_0, 0)) self.connect((self.gr_complex_to_mag_squared_0, 0), (self.gr_vector_to_stream_0, 0)) self.connect((self.gr_vector_to_stream_0, 0), (self.gr_integrate_xx_0, 0)) self.connect((self.gr_integrate_xx_0, 0), (self.gr_repeat_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.gr_vector_to_stream_0_0, 0)) self.connect((self.gr_vector_to_stream_0_1, 0), (self.gr_multiply_xx_1, 1)) self.connect((self.gr_divide_xx_0, 0), (self.gr_multiply_xx_1, 0)) self.connect((self.gr_float_to_complex_0, 0), (self.gr_divide_xx_0, 1)) self.connect((self.gr_conjugate_cc_1, 0), (self.gr_divide_xx_0, 0)) self.connect((self.gr_deinterleave_0, 1), (self.gr_vector_to_stream_0_1, 0)) self.connect((self.gr_repeat_0, 0), (self.gr_float_to_complex_0, 0)) self.connect((self.const_source_x_0, 0), (self.gr_float_to_complex_0, 1)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.gr_conjugate_cc_1, 0)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.gr_complex_to_mag_squared_0_0, 0)) self.connect((self.gr_complex_to_mag_squared_0_0, 0), (self.gr_divide_xx_0_0, 0)) self.connect((self.gr_repeat_0, 0), (self.gr_divide_xx_0_0, 1)) self.connect((self.gr_divide_xx_0_0, 0), (self.gr_add_const_vxx_0, 0)) self.connect((self.gr_add_const_vxx_0, 0), (self.gr_float_to_complex_0_0, 0)) self.connect((self.const_source_x_0_0, 0), (self.gr_float_to_complex_0_0, 1)) self.connect((self.gr_float_to_complex_0_0, 0), (self.gr_divide_xx_0_1, 1)) self.connect((self.gr_multiply_xx_1, 0), (self.gr_divide_xx_0_1, 0)) self.connect((self.gr_stream_to_vector_0, 0), (self.gr_fft_vxx_0, 0)) self.connect((self.gr_fft_vxx_0, 0), (self.gr_deinterleave_0, 0)) self.connect((self.gr_vector_to_stream_0_2, 0), (self.gr_conjugate_cc_0, 0)) self.connect((self.gr_divide_xx_0_1, 0), (self.gr_null_sink_0, 0)) self.connect((self.gr_vector_source_x_0, 0), (self.gr_interleave_0, 1)) self.connect((self.gr_interleave_0, 0), (self.gr_fft_vxx_1, 0)) self.connect((self.gr_fft_vxx_1, 0), (self.gr_vector_to_stream_1, 0)) self.connect((self.gr_vector_source_x_0_0, 0), (self.gr_interleave_0, 0)) self.connect((self.gr_vector_source_x_0_0_0, 0), (self.gr_vector_to_stream_0_2, 0)) self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1)) self.connect((self.gr_vector_to_stream_1, 0), (self.gr_add_xx_0, 0)) self.connect((self.gr_add_xx_0, 0), (self.gr_multiply_const_vxx_0, 0)) self.connect((self.gr_vector_to_stream_0_1, 0), (self.gr_multiply_const_vxx_1, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_null_sink_0_0, 0)) self.connect((self.gr_multiply_const_vxx_1, 0), (self.wxgui_scopesink2_0, 1)) self.connect((self.gr_divide_xx_0_1, 0), (self.wxgui_scopesink2_0, 0))