def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2000000
fftsize = 2048
##################################################
# Blocks
##################################################
self.rtl2832_source_0 = baz.rtl_source_c(defer_creation=True)
self.rtl2832_source_0.set_verbose(True)
self.rtl2832_source_0.set_vid(0x0)
self.rtl2832_source_0.set_pid(0x0)
self.rtl2832_source_0.set_tuner_name("")
self.rtl2832_source_0.set_default_timeout(0)
self.rtl2832_source_0.set_use_buffer(True)
self.rtl2832_source_0.set_fir_coefficients(([]))
if self.rtl2832_source_0.create() == False:
raise Exception(
"Failed to create RTL2832 Source: rtl2832_source_0")
self.rtl2832_source_0.set_sample_rate(samp_rate)
self.rtl2832_source_0.set_frequency(225648000)
self.rtl2832_source_0.set_auto_gain_mode(False)
self.rtl2832_source_0.set_relative_gain(True)
self.rtl2832_source_0.set_gain(3)
#self.rtl2832_source_0 = uhd.usrp_source(
# device_addr="addr=192.168.10.2",
# io_type=uhd.io_type.COMPLEX_FLOAT32,
# num_channels=1,
#)
self.throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate * 1)
# Resampler fuer 2.000 MS/s -> 2.048 MS/s
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc(
interpolation=128,
decimation=125,
taps=None,
fractional_bw=None,
)
# Framestarts detektieren
self.framestart_detecter_cc = howto.framestart_detecter_cc(
fftsize, 504, 76)
# OFDM Symbole herausarbeiten
self.ofdm_symbole = howto.ofdm_symbol_cutter_cc(
196608, fftsize, 504, 76, 150)
# FFT des Symbols bilden
self.s2v = gr.stream_to_vector(gr.sizeof_gr_complex, 2048)
# FFT eines Symbols
self.fft_vcc = gr.fft_vcc(
fftsize, # FFT groesse
True, # forward FFT
[], # Window
True) # Shift
# Symbol-Differenz bilden
self.diff = howto.de_diff_mod_vcc(fftsize, 256)
# Anzeige der Modulation
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=791,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.freq_interl = howto.de_freq_interleaver_vcf(
2048, 1536) # FFT Size = 2048, Subcarrier = 1536
self.null_symbol_resample = howto.null_symbol_resample_bb(
2048) # Anpassung fuer Mode 1 erzeugen
self.subCha = howto.sub_channel_vff(1536, 188, 84) # Subcarrier = 1536
self.v2s_msc = gr.vector_to_stream(gr.sizeof_float,
84 * 64 / 8) # Abfluss fuer MSC
self.vector_sink_msc = gr.null_sink(gr.sizeof_float * 1)
self.bonder = howto.bonder_vff(2304 / 8, 2304)
self.depunct_fic = howto.depuncturing_vff(36, 16, 21, 15, 3, 1, 0, 1,
0) # Depuncturing
self.viterbi = howto.viterbi_vfb(3096) # Viterbi
self.energy_disp_fic = howto.energy_disp_vbb(
774) # Energy dispersal anwenden
self.fib_cutter = howto.cutter_vbb(768, 256) # FIBs bilden
fib_crc16 = howto.fib_crc16_vbb(256) # CRC Check erzeugen
self.fib_sink = howto.fib_sink_vb(
) # Serviceanzeige auf Konsole initialisieren
##################################################
# Connections
##################################################
self.connect((self.rtl2832_source_0, 0),
self.blks2_rational_resampler_xxx_0)
self.connect(self.blks2_rational_resampler_xxx_0,
self.framestart_detecter_cc,
(self.ofdm_symbole, 1)) # Framestart detektion
self.connect(self.blks2_rational_resampler_xxx_0,
(self.ofdm_symbole, 0)) # Symbole herausarbeiten
self.connect((self.ofdm_symbole, 0), self.s2v, self.fft_vcc,
self.diff) # FFT und Div Demod
self.connect((self.diff, 1),
(self.wxgui_scopesink2_0, 0)) # Modulationsgrafik
self.connect((self.ofdm_symbole, 1), self.null_symbol_resample,
(self.subCha, 1)) # Framestart-Signalisierung
self.connect((self.diff, 0), self.freq_interl) # Frequenz interleaving
self.connect(self.freq_interl,
(self.subCha, 0)) # MSC und FIC bilden'''
self.connect((self.subCha, 0), self.v2s_msc,
self.vector_sink_msc) # MSC
self.connect((self.subCha, 1), self.bonder) # FIC zusammensetzen
self.connect(self.bonder, self.depunct_fic)
self.connect(self.depunct_fic, self.viterbi) # Depuncturing
self.connect(self.viterbi, self.energy_disp_fic) # Viterbi
self.connect(self.energy_disp_fic, self.fib_cutter) # Energy Dispersal
self.connect(self.fib_cutter, fib_crc16) # FIBs bilden
self.connect(fib_crc16, self.fib_sink) # FIB Sink
def __init__(self,StartAdr,SizeCU,Level,kbps): grc_wxgui.top_block_gui.__init__(self, title="Top Block") TabPunct = [[ 32, 5, 3, 4, 17, 0, 5, 3, 2, 1, 0], # Tabelle fuer Depuncturing ETSI EN 300 401 Seite 134 [ 32, 4, 3, 3, 18, 0, 11, 6, 5, 1, 0], [ 32, 3, 3, 4, 14, 3, 15, 9, 6, 8, 0], [ 32, 2, 3, 4, 14, 3, 22, 13, 8, 13, 0], [ 32, 1, 3, 5, 13, 3, 24, 17, 12, 17, 4], [ 48, 5, 4, 3, 26, 3, 5, 4, 2, 3, 0], [ 48, 4, 3, 4, 26, 3, 9, 6, 4, 6, 0], [ 48, 3, 3, 4, 26, 3, 15, 10, 6, 9, 4], [ 48, 2, 3, 4, 26, 3, 24, 14, 8, 15, 0], [ 48, 1, 3, 5, 25, 3, 24, 18, 13, 18, 0], [ 56, 5, 6, 10, 23, 3, 5, 4, 2, 3, 0], [ 56, 4, 6, 10, 23, 3, 9, 6, 4, 5, 0], [ 56, 3, 6, 12, 21, 3, 16, 7, 6, 9, 0], [ 56, 2, 6, 10, 23, 3, 23, 13, 8, 13, 8], [ 64, 5, 6, 9, 31, 2, 5, 3, 2, 3, 0], [ 64, 4, 6, 9, 33, 0, 11, 6, 5, 1, 0], [ 64, 3, 6, 12, 27, 3, 16, 8, 6, 9, 0], [ 64, 2, 6, 10, 29, 3, 23, 13, 8, 13, 8], [ 64, 1, 6, 11, 28, 3, 24, 18, 12, 18, 4], [ 80, 5, 6, 10, 41, 3, 6, 3, 2, 3, 0], [ 80, 4, 6, 10, 41, 3, 11, 6, 5, 6, 0], [ 80, 3, 6, 11, 40, 3, 16, 8, 6, 7, 0], [ 80, 2, 6, 10, 41, 3, 23, 13, 8, 13, 8], [ 80, 1, 6, 10, 41, 3, 24, 17, 12, 18, 4], [ 96, 5, 7, 9, 53, 3, 5, 4, 2, 4, 0], [ 96, 4, 7, 10, 52, 3, 9, 6, 4, 6, 0], [ 96, 3, 6, 12, 51, 3, 16, 9, 6, 10, 4], [ 96, 2, 6, 10, 53, 3, 22, 12, 9, 12, 0], [ 96, 1, 6, 13, 50, 3, 24, 18, 13, 19, 0], [112, 5, 14, 17, 50, 3, 5, 4, 2, 5, 0], [112, 4, 11, 21, 49, 3, 9, 6, 4, 8, 0], [112, 3, 11, 23, 47, 3, 16, 8, 6, 9, 0], [112, 2, 11, 21, 49, 3, 23, 12, 9, 14, 4], [128, 5, 12, 19, 62, 3, 5, 3, 2, 4, 0], [128, 4, 11, 21, 61, 3, 11, 6, 5, 7, 0], [128, 3, 11, 22, 60, 3, 16, 9, 6, 10, 4], [128, 2, 11, 21, 61, 3, 22, 12, 9, 14, 0], [128, 1, 11, 20, 62, 3, 24, 17, 13, 19, 8], [160, 5, 11, 19, 87, 3, 5, 4, 2, 4, 0], [160, 4, 11, 23, 83, 3, 11, 6, 5, 9, 0], [160, 3, 11, 24, 82, 3, 16, 8, 6, 11, 0], [160, 2, 11, 21, 85, 3, 22, 11, 9, 13, 0], [160, 1, 11, 22, 84, 3, 24, 18, 12, 19, 0], [192, 5, 11, 20, 110, 3, 6, 4, 2, 5, 0], [192, 4, 11, 22, 108, 3, 10, 6, 4, 9, 0], [192, 3, 11, 24, 106, 3, 16, 10, 6, 11, 0], [192, 2, 11, 20, 110, 3, 22, 13, 9, 13, 8], [192, 1, 11, 21, 109, 3, 24, 20, 13, 24, 0], [224, 5, 12, 22, 131, 3, 8, 6, 2, 6, 4], [224, 4, 12, 26, 127, 3, 12, 8, 4, 11, 0], [224, 3, 11, 20, 134, 3, 16, 10, 7, 9, 0], [224, 2, 11, 22, 132, 3, 24, 16, 10, 15, 0], [224, 1, 11, 24, 130, 3, 24, 20, 12, 20, 4], [256, 5, 11, 24, 154, 3, 6, 5, 2, 5, 0], [256, 4, 11, 24, 154, 3, 12, 9, 5, 10, 4], [256, 3, 11, 27, 151, 3, 16, 10, 7, 10, 0], [256, 2, 11, 22, 156, 3, 24, 14, 10, 13, 8], [256, 1, 11, 26, 152, 3, 24, 19, 14, 18,4], [320, 5, 11, 26, 200, 3, 8, 5, 2, 6,4], [320, 4, 11, 25, 201, 3, 13, 9, 5, 10,8], [320, 2, 11, 26, 200, 3, 24, 17, 9, 17,0], [384, 5, 11, 27, 247, 3, 8, 6, 2, 7,0], [384, 3, 11, 24, 250, 3, 16, 9, 7, 10,4], [384, 1, 12, 28, 245, 3, 24, 20, 14, 23,8]] for x in range(64): # Werte aus Tabelle herauslesen if (TabPunct[x][0]==kbps) and (TabPunct[x][1]==Level): L1 = TabPunct[x][2] L2 = TabPunct[x][3] L3 = TabPunct[x][4] L4 = TabPunct[x][5] PI1 = TabPunct[x][6] PI2 = TabPunct[x][7] PI3 = TabPunct[x][8] PI4 = TabPunct[x][9] ################################################## # Variables ################################################## self.samp_rate = samp_rate = 2000000 fftsize = 2048 ################################################## # Blocks ################################################## self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="addr=192.168.10.2", io_type=uhd.io_type.COMPLEX_FLOAT32, num_channels=1, ) # Quelle self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(227360000, 0) # 194064000,227360000 self.uhd_usrp_source_0.set_gain(31.5, 0) self.throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate*1) # Resampler fuer 2.000 MS/s -> 2.048 MS/s self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc( interpolation=128, decimation=125, taps=None, fractional_bw=None, ) # Framestarts detektieren self.framestart_detecter_cc = howto.framestart_detecter_cc(fftsize,504,76) # OFDM Symbole herausarbeiten self.ofdm_symbole = howto.ofdm_symbol_cutter_cc(196608,fftsize,504,76,150) # FFT des Symbols bilden self.s2v = gr.stream_to_vector(gr.sizeof_gr_complex, 2048) # FFT eines Symbols self.fft_vcc = gr.fft_vcc(fftsize, # FFT groesse True, # forward FFT [], # Window True) # Shift # Symbol-Differenz bilden self.diff = howto.de_diff_mod_vcc(fftsize,256) # Anzeige der Modulation self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=791, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.freq_interl = howto.de_freq_interleaver_vcf(2048,1536) # FFT Size = 2048, Subcarrier = 1536 self.null_symbol_resample = howto.null_symbol_resample_bb(2048) # Anpassung fuer Mode 1 erzeugen self.subCha = howto.sub_channel_vff(1536,StartAdr,SizeCU) # Subcarrier = 1536 self.timeInt = howto.time_interleaving_vff(SizeCU) # Time Interleaving self.depunct_fic = howto.depuncturing_vff(SizeCU,PI1,L1,PI2,L2,PI3,L3,PI4,L4) # Depuncturing self.viterbi = howto.viterbi_vfb((L1+L2+L3+L4)*32*4+4*6) # Viterbi + Tail self.energy_disp = howto.energy_disp_vbb((L1+L2+L3+L4)*32+6) # Energy dispersal anwenden self.prearrangement = howto.prearrangement_vbb((L1+L2+L3+L4)*32) # Bitwert zu Bytewert umwandeln self.blks2_tcp_sink_0 = grc_blks2.tcp_sink( # TCP Abfluss itemsize=gr.sizeof_char*1, addr="127.0.0.1", port=9999, server=True, ) ################################################## # Connections ################################################## self.connect((self.uhd_usrp_source_0, 0), self.blks2_rational_resampler_xxx_0) self.connect(self.blks2_rational_resampler_xxx_0, self.framestart_detecter_cc, (self.ofdm_symbole,1)) # Framestart detektion self.connect(self.blks2_rational_resampler_xxx_0, (self.ofdm_symbole,0)) # Symbole herausarbeiten self.connect((self.ofdm_symbole,0), self.s2v, self.fft_vcc, self.diff) # FFT und Div Demod self.connect((self.diff, 1), (self.wxgui_scopesink2_0, 0)) # Modulationsgrafik self.connect((self.ofdm_symbole,1), self.null_symbol_resample, (self.subCha,1)) # Framestart-Signalisierung self.connect((self.diff, 0), self.freq_interl) # Frequenz interleaving self.connect(self.freq_interl, (self.subCha,0)) # MSC und FIC bilden''' self.connect((self.subCha,0), self.timeInt) # MSC self.connect(self.timeInt, self.depunct_fic) # Time interleaving self.connect(self.depunct_fic, self.viterbi) # Depuncturing self.connect(self.viterbi,self.energy_disp) # Viterbi self.connect(self.energy_disp,self.prearrangement) # Energy dispersal self.connect(self.prearrangement,self.blks2_tcp_sink_0) # Prearrangement fuer TCP self.v2s = gr.vector_to_stream(gr.sizeof_float, 2304/8) self.vector_sink_f = gr.vector_sink_f(1) #test self.connect((self.subCha,1), self.v2s, self.vector_sink_f) # Test
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 2000000 fftsize = 2048 ################################################## # Blocks ################################################## self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="addr=192.168.10.2", io_type=uhd.io_type.COMPLEX_FLOAT32, num_channels=1, ) # Quelle self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(227360000, 0) # 194064000,227360000 self.uhd_usrp_source_0.set_gain(31.5, 0) self.throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate*1) # Resampler fuer 2.000 MS/s -> 2.048 MS/s self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc( interpolation=128, decimation=125, taps=None, fractional_bw=None, ) # Framestarts detektieren self.framestart_detecter_cc = howto.framestart_detecter_cc(fftsize,504,76) # OFDM Symbole herausarbeiten self.ofdm_symbole = howto.ofdm_symbol_cutter_cc(196608,fftsize,504,76,150) # FFT des Symbols bilden self.s2v = gr.stream_to_vector(gr.sizeof_gr_complex, 2048) # FFT eines Symbols self.fft_vcc = gr.fft_vcc(fftsize, # FFT groesse True, # forward FFT [], # Window True) # Shift # Symbol-Differenz bilden self.diff = howto.de_diff_mod_vcc(fftsize,256) # Anzeige der Modulation self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=791, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.freq_interl = howto.de_freq_interleaver_vcf(2048,1536) # FFT Size = 2048, Subcarrier = 1536 self.null_symbol_resample = howto.null_symbol_resample_bb(2048) # Anpassung fuer Mode 1 erzeugen self.subCha = howto.sub_channel_vff(1536,188,84) # Subcarrier = 1536 self.v2s_msc = gr.vector_to_stream(gr.sizeof_float, 84*64/8) # Abfluss fuer MSC self.vector_sink_msc = gr.null_sink(gr.sizeof_float*1) self.bonder = howto.bonder_vff(2304/8,2304) self.depunct_fic = howto.depuncturing_vff(36,16,21,15,3,1,0,1,0) # Depuncturing self.viterbi = howto.viterbi_vfb(3096) # Viterbi self.energy_disp_fic = howto.energy_disp_vbb(774) # Energy dispersal anwenden self.fib_cutter = howto.cutter_vbb(768,256) # FIBs bilden fib_crc16 = howto.fib_crc16_vbb(256) # CRC Check self.fib_sink = howto.fib_sink3_vbf() # FIC Informationen auslesen self.dst_0 = gr.vector_sink_f() # Datenbank ################################################## # Connections ################################################## self.connect((self.uhd_usrp_source_0, 0), self.blks2_rational_resampler_xxx_0) self.connect(self.blks2_rational_resampler_xxx_0, self.framestart_detecter_cc, (self.ofdm_symbole,1)) # Framestart detektion self.connect(self.blks2_rational_resampler_xxx_0, (self.ofdm_symbole,0)) # Symbole herausarbeiten self.connect((self.ofdm_symbole,0), self.s2v, self.fft_vcc, self.diff) # FFT und Div Demod self.connect((self.diff, 1), (self.wxgui_scopesink2_0, 0)) # Modulationsgrafik self.connect((self.ofdm_symbole,1), self.null_symbol_resample, (self.subCha,1)) # Framestart-Signalisierung self.connect((self.diff, 0), self.freq_interl) # Frequenz interleaving self.connect(self.freq_interl, (self.subCha,0)) # MSC und FIC bilden''' self.connect((self.subCha,0), self.v2s_msc, self.vector_sink_msc) # MSC self.connect((self.subCha,1), self.bonder) # FIC zusammensetzen self.connect(self.bonder, self.depunct_fic) self.connect(self.depunct_fic, self.viterbi) # Depuncturing self.connect(self.viterbi, self.energy_disp_fic) # Viterbi self.connect(self.energy_disp_fic, self.fib_cutter) # Energy Dispersal self.connect(self.fib_cutter, fib_crc16) # FIBs bilden self.connect(fib_crc16, self.fib_sink) # FIB Sink self.connect(self.fib_sink, self.dst_0) # Datenbank fuellen
def __init__(self, StartAdr, SizeCU, Level, kbps):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
TabPunct = [
[32, 5, 3, 4, 17, 0, 5, 3, 2, 1,
0], # Tabelle fuer Depuncturing ETSI EN 300 401 Seite 134
[32, 4, 3, 3, 18, 0, 11, 6, 5, 1, 0],
[32, 3, 3, 4, 14, 3, 15, 9, 6, 8, 0],
[32, 2, 3, 4, 14, 3, 22, 13, 8, 13, 0],
[32, 1, 3, 5, 13, 3, 24, 17, 12, 17, 4],
[48, 5, 4, 3, 26, 3, 5, 4, 2, 3, 0],
[48, 4, 3, 4, 26, 3, 9, 6, 4, 6, 0],
[48, 3, 3, 4, 26, 3, 15, 10, 6, 9, 4],
[48, 2, 3, 4, 26, 3, 24, 14, 8, 15, 0],
[48, 1, 3, 5, 25, 3, 24, 18, 13, 18, 0],
[56, 5, 6, 10, 23, 3, 5, 4, 2, 3, 0],
[56, 4, 6, 10, 23, 3, 9, 6, 4, 5, 0],
[56, 3, 6, 12, 21, 3, 16, 7, 6, 9, 0],
[56, 2, 6, 10, 23, 3, 23, 13, 8, 13, 8],
[64, 5, 6, 9, 31, 2, 5, 3, 2, 3, 0],
[64, 4, 6, 9, 33, 0, 11, 6, 5, 1, 0],
[64, 3, 6, 12, 27, 3, 16, 8, 6, 9, 0],
[64, 2, 6, 10, 29, 3, 23, 13, 8, 13, 8],
[64, 1, 6, 11, 28, 3, 24, 18, 12, 18, 4],
[80, 5, 6, 10, 41, 3, 6, 3, 2, 3, 0],
[80, 4, 6, 10, 41, 3, 11, 6, 5, 6, 0],
[80, 3, 6, 11, 40, 3, 16, 8, 6, 7, 0],
[80, 2, 6, 10, 41, 3, 23, 13, 8, 13, 8],
[80, 1, 6, 10, 41, 3, 24, 17, 12, 18, 4],
[96, 5, 7, 9, 53, 3, 5, 4, 2, 4, 0],
[96, 4, 7, 10, 52, 3, 9, 6, 4, 6, 0],
[96, 3, 6, 12, 51, 3, 16, 9, 6, 10, 4],
[96, 2, 6, 10, 53, 3, 22, 12, 9, 12, 0],
[96, 1, 6, 13, 50, 3, 24, 18, 13, 19, 0],
[112, 5, 14, 17, 50, 3, 5, 4, 2, 5, 0],
[112, 4, 11, 21, 49, 3, 9, 6, 4, 8, 0],
[112, 3, 11, 23, 47, 3, 16, 8, 6, 9, 0],
[112, 2, 11, 21, 49, 3, 23, 12, 9, 14, 4],
[128, 5, 12, 19, 62, 3, 5, 3, 2, 4, 0],
[128, 4, 11, 21, 61, 3, 11, 6, 5, 7, 0],
[128, 3, 11, 22, 60, 3, 16, 9, 6, 10, 4],
[128, 2, 11, 21, 61, 3, 22, 12, 9, 14, 0],
[128, 1, 11, 20, 62, 3, 24, 17, 13, 19, 8],
[160, 5, 11, 19, 87, 3, 5, 4, 2, 4, 0],
[160, 4, 11, 23, 83, 3, 11, 6, 5, 9, 0],
[160, 3, 11, 24, 82, 3, 16, 8, 6, 11, 0],
[160, 2, 11, 21, 85, 3, 22, 11, 9, 13, 0],
[160, 1, 11, 22, 84, 3, 24, 18, 12, 19, 0],
[192, 5, 11, 20, 110, 3, 6, 4, 2, 5, 0],
[192, 4, 11, 22, 108, 3, 10, 6, 4, 9, 0],
[192, 3, 11, 24, 106, 3, 16, 10, 6, 11, 0],
[192, 2, 11, 20, 110, 3, 22, 13, 9, 13, 8],
[192, 1, 11, 21, 109, 3, 24, 20, 13, 24, 0],
[224, 5, 12, 22, 131, 3, 8, 6, 2, 6, 4],
[224, 4, 12, 26, 127, 3, 12, 8, 4, 11, 0],
[224, 3, 11, 20, 134, 3, 16, 10, 7, 9, 0],
[224, 2, 11, 22, 132, 3, 24, 16, 10, 15, 0],
[224, 1, 11, 24, 130, 3, 24, 20, 12, 20, 4],
[256, 5, 11, 24, 154, 3, 6, 5, 2, 5, 0],
[256, 4, 11, 24, 154, 3, 12, 9, 5, 10, 4],
[256, 3, 11, 27, 151, 3, 16, 10, 7, 10, 0],
[256, 2, 11, 22, 156, 3, 24, 14, 10, 13, 8],
[256, 1, 11, 26, 152, 3, 24, 19, 14, 18, 4],
[320, 5, 11, 26, 200, 3, 8, 5, 2, 6, 4],
[320, 4, 11, 25, 201, 3, 13, 9, 5, 10, 8],
[320, 2, 11, 26, 200, 3, 24, 17, 9, 17, 0],
[384, 5, 11, 27, 247, 3, 8, 6, 2, 7, 0],
[384, 3, 11, 24, 250, 3, 16, 9, 7, 10, 4],
[384, 1, 12, 28, 245, 3, 24, 20, 14, 23, 8]
]
for x in range(64): # Werte aus Tabelle herauslesen
if (TabPunct[x][0] == kbps) and (TabPunct[x][1] == Level):
L1 = TabPunct[x][2]
L2 = TabPunct[x][3]
L3 = TabPunct[x][4]
L4 = TabPunct[x][5]
PI1 = TabPunct[x][6]
PI2 = TabPunct[x][7]
PI3 = TabPunct[x][8]
PI4 = TabPunct[x][9]
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2000000
fftsize = 2048
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="addr=192.168.10.2",
io_type=uhd.io_type.COMPLEX_FLOAT32,
num_channels=1,
)
# Quelle
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(227360000,
0) # 194064000,227360000
self.uhd_usrp_source_0.set_gain(31.5, 0)
self.throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate * 1)
# Resampler fuer 2.000 MS/s -> 2.048 MS/s
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc(
interpolation=128,
decimation=125,
taps=None,
fractional_bw=None,
)
# Framestarts detektieren
self.framestart_detecter_cc = howto.framestart_detecter_cc(
fftsize, 504, 76)
# OFDM Symbole herausarbeiten
self.ofdm_symbole = howto.ofdm_symbol_cutter_cc(
196608, fftsize, 504, 76, 150)
# FFT des Symbols bilden
self.s2v = gr.stream_to_vector(gr.sizeof_gr_complex, 2048)
# FFT eines Symbols
self.fft_vcc = gr.fft_vcc(
fftsize, # FFT groesse
True, # forward FFT
[], # Window
True) # Shift
# Symbol-Differenz bilden
self.diff = howto.de_diff_mod_vcc(fftsize, 256)
# Anzeige der Modulation
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=791,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.freq_interl = howto.de_freq_interleaver_vcf(
2048, 1536) # FFT Size = 2048, Subcarrier = 1536
self.null_symbol_resample = howto.null_symbol_resample_bb(
2048) # Anpassung fuer Mode 1 erzeugen
self.subCha = howto.sub_channel_vff(1536, StartAdr,
SizeCU) # Subcarrier = 1536
self.timeInt = howto.time_interleaving_vff(SizeCU) # Time Interleaving
self.depunct_fic = howto.depuncturing_vff(SizeCU, PI1, L1, PI2, L2,
PI3, L3, PI4,
L4) # Depuncturing
self.viterbi = howto.viterbi_vfb(
(L1 + L2 + L3 + L4) * 32 * 4 + 4 * 6) # Viterbi + Tail
self.energy_disp = howto.energy_disp_vbb(
(L1 + L2 + L3 + L4) * 32 + 6) # Energy dispersal anwenden
self.prearrangement = howto.prearrangement_vbb(
(L1 + L2 + L3 + L4) * 32) # Bitwert zu Bytewert umwandeln
self.blks2_tcp_sink_0 = grc_blks2.tcp_sink( # TCP Abfluss
itemsize=gr.sizeof_char * 1,
addr="127.0.0.1",
port=9999,
server=True,
)
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0),
self.blks2_rational_resampler_xxx_0)
self.connect(self.blks2_rational_resampler_xxx_0,
self.framestart_detecter_cc,
(self.ofdm_symbole, 1)) # Framestart detektion
self.connect(self.blks2_rational_resampler_xxx_0,
(self.ofdm_symbole, 0)) # Symbole herausarbeiten
self.connect((self.ofdm_symbole, 0), self.s2v, self.fft_vcc,
self.diff) # FFT und Div Demod
self.connect((self.diff, 1),
(self.wxgui_scopesink2_0, 0)) # Modulationsgrafik
self.connect((self.ofdm_symbole, 1), self.null_symbol_resample,
(self.subCha, 1)) # Framestart-Signalisierung
self.connect((self.diff, 0), self.freq_interl) # Frequenz interleaving
self.connect(self.freq_interl,
(self.subCha, 0)) # MSC und FIC bilden'''
self.connect((self.subCha, 0), self.timeInt) # MSC
self.connect(self.timeInt, self.depunct_fic) # Time interleaving
self.connect(self.depunct_fic, self.viterbi) # Depuncturing
self.connect(self.viterbi, self.energy_disp) # Viterbi
self.connect(self.energy_disp, self.prearrangement) # Energy dispersal
self.connect(self.prearrangement,
self.blks2_tcp_sink_0) # Prearrangement fuer TCP
self.v2s = gr.vector_to_stream(gr.sizeof_float, 2304 / 8)
self.vector_sink_f = gr.vector_sink_f(1) #test
self.connect((self.subCha, 1), self.v2s, self.vector_sink_f) # Test
