2 files changed, 27 insertions, 187 deletions
diff --git a/simulation/QAM_Fading/qam_fading.py b/simulation/QAM_Fading/qam_fading.py
index 56a3847..cc1bd08 100755
--- a/simulation/QAM_Fading/qam_fading.py
+++ b/simulation/QAM_Fading/qam_fading.py
@@ -76,7 +76,7 @@ class qam_fading(gr.top_block, Qt.QWidget):
         ##################################################
         # Variables
         ##################################################
-        self.sps = sps = 2
+        self.sps = sps = 4
         self.nfilts = nfilts = 32
         self.excess_bw = excess_bw = 350e-3
         self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
@@ -91,8 +91,7 @@ class qam_fading(gr.top_block, Qt.QWidget):
         self.eq_ntaps = eq_ntaps = 15
         self.eq_mod = eq_mod = 1
         self.eq_gain = eq_gain = .01
-        self.const = const = digital.constellation_calcdist([-1-1j, -1+1j, 1+1j, 1-1j], [0, 1, 3, 2],
-        4, 1).base()
+        self.const = const = digital.constellation_qpsk().base()
         self.chn_taps = chn_taps = [1.0 + 0.0j, ]
 
         ##################################################
@@ -467,7 +466,7 @@ class qam_fading(gr.top_block, Qt.QWidget):
         self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(const)
         self.digital_cma_equalizer_cc_0_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
         self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
-        self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, ((2*fc*1e9)/(3*10e8))/samp_rate, False, 4, 0, (0,1.8), (1,0.12), 8 )
+        self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, ((2*fc*1e9)/(3*10e8))/samp_rate, False, 4, 21, (0,1.8), (1,0.12), 8 )
         self.channels_channel_model_0 = channels.channel_model(
             noise_voltage=noise_volt,
             frequency_offset=freq_offset,
diff --git a/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc b/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc
index 02948d2..109a74d 100644
--- a/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc
+++ b/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc
@@ -54,7 +54,7 @@ blocks:
     rot_sym: '4'
     soft_dec_lut: None
     sym_map: '[0, 1, 3, 2]'
-    type: calcdist
+    type: qpsk
   states:
     bus_sink: false
     bus_source: false
@@ -127,11 +127,11 @@ blocks:
     label: fc
     min_len: '200'
     orient: Qt.Horizontal
-    rangeType: int
+    rangeType: float
     start: '0'
     step: '1'
-    stop: '1000000000'
-    value: '1'
+    stop: '10'
+    value: '2.4'
     widget: counter_slider
   states:
     bus_sink: false
@@ -243,7 +243,7 @@ blocks:
   id: variable
   parameters:
     comment: ''
-    value: '2'
+    value: '4'
   states:
     bus_sink: false
     bus_source: false
@@ -411,28 +411,9 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [464, 324.0]
+    coordinate: [480, 356.0]
     rotation: 0
     state: enabled
-- name: blocks_throttle_0_0
-  id: blocks_throttle
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    ignoretag: 'True'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    samples_per_second: samp_rate
-    type: byte
-    vlen: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [240, 204.0]
-    rotation: 0
-    state: bypassed
 - name: blocks_unpack_k_bits_bb_0
   id: blocks_unpack_k_bits_bb
   parameters:
@@ -522,20 +503,20 @@ blocks:
     coordinate: [648, 316.0]
     rotation: 0
     state: enabled
-- name: channels_selective_fading_model2_0
+- name: channels_selective_fading_model2_1
   id: channels_selective_fading_model2
   parameters:
-    K: '5.1'
+    K: '4.0'
     LOS: 'False'
     N: '8'
     affinity: ''
     alias: ''
     comment: ''
-    delay_maxdev: (0.5,0.7)
-    delay_std: (1e-4,1e-4)
-    delays: (0,2e-5/samp_rate)
-    fDTs: ((4*fc)/(3*10e8))/samp_rate
-    mags: (1,0.12)
+    delay_maxdev: (0.5,0.7,0.9)
+    delay_std: (1e-4,1e-4,1e-4)
+    delays: (1.0,1.9,2.7)
+    fDTs: 0.2/samp_rate
+    mags: (1,0.95,0.8)
     maxoutbuf: '0'
     minoutbuf: '0'
     ntaps: '8'
@@ -544,7 +525,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [904, 292.0]
+    coordinate: [888, 276.0]
     rotation: 0
     state: disabled
 - name: channels_selective_fading_model_0
@@ -556,18 +537,18 @@ blocks:
     affinity: ''
     alias: ''
     comment: ''
-    delays: (0,2e-5/samp_rate)
-    fDTs: ((4*fc)/(3*10e8))/samp_rate
+    delays: (0,1.8)
+    fDTs: ((2*fc*1e9)/(3*10e8))/samp_rate
     mags: (1,0.12)
     maxoutbuf: '0'
     minoutbuf: '0'
     ntaps: '8'
-    seed: '0'
+    seed: '21'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [968, 468.0]
+    coordinate: [976, 404.0]
     rotation: 0
     state: enabled
 - name: channels_selective_fading_model_2
@@ -684,26 +665,6 @@ blocks:
     coordinate: [240, 332.0]
     rotation: 0
     state: enabled
-- name: digital_constellation_receiver_cb_0
-  id: digital_constellation_receiver_cb
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    constellation: const
-    fmax: '1'
-    fmin: '1.5'
-    loop_bw: timing_loop_bw
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    showports: 'False'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1376, -64.0]
-    rotation: 0
-    state: disabled
 - name: digital_costas_loop_cc_0
   id: digital_costas_loop_cc
   parameters:
@@ -850,25 +811,6 @@ blocks:
     coordinate: [1088, 868.0]
     rotation: 0
     state: true
-- name: fir_filter_xxx_0
-  id: fir_filter_xxx
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    decim: '1'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    samp_delay: '0'
-    taps: rrc_taps
-    type: ccc
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [488, 212.0]
-    rotation: 0
-    state: bypassed
 - name: import_0
   id: import
   parameters:
@@ -1318,98 +1260,6 @@ blocks:
     coordinate: [2188.0, 0]
     rotation: 90
     state: enabled
-- name: qtgui_const_sink_x_3
-  id: qtgui_const_sink_x
-  parameters:
-    affinity: ''
-    alias: ''
-    alpha1: '1.0'
-    alpha10: '1.0'
-    alpha2: '1.0'
-    alpha3: '1.0'
-    alpha4: '1.0'
-    alpha5: '1.0'
-    alpha6: '1.0'
-    alpha7: '1.0'
-    alpha8: '1.0'
-    alpha9: '1.0'
-    autoscale: 'False'
-    axislabels: 'True'
-    color1: '"blue"'
-    color10: '"red"'
-    color2: '"red"'
-    color3: '"red"'
-    color4: '"red"'
-    color5: '"red"'
-    color6: '"red"'
-    color7: '"red"'
-    color8: '"red"'
-    color9: '"red"'
-    comment: ''
-    grid: 'False'
-    gui_hint: ''
-    label1: ''
-    label10: ''
-    label2: ''
-    label3: ''
-    label4: ''
-    label5: ''
-    label6: ''
-    label7: ''
-    label8: ''
-    label9: ''
-    legend: 'True'
-    marker1: '0'
-    marker10: '0'
-    marker2: '0'
-    marker3: '0'
-    marker4: '0'
-    marker5: '0'
-    marker6: '0'
-    marker7: '0'
-    marker8: '0'
-    marker9: '0'
-    name: '""'
-    nconnections: '1'
-    size: '1024'
-    style1: '0'
-    style10: '0'
-    style2: '0'
-    style3: '0'
-    style4: '0'
-    style5: '0'
-    style6: '0'
-    style7: '0'
-    style8: '0'
-    style9: '0'
-    tr_chan: '0'
-    tr_level: '0.0'
-    tr_mode: qtgui.TRIG_MODE_FREE
-    tr_slope: qtgui.TRIG_SLOPE_POS
-    tr_tag: '""'
-    type: complex
-    update_time: '0.10'
-    width1: '1'
-    width10: '1'
-    width2: '1'
-    width3: '1'
-    width4: '1'
-    width5: '1'
-    width6: '1'
-    width7: '1'
-    width8: '1'
-    width9: '1'
-    xmax: '2'
-    xmin: '-2'
-    ymax: '2'
-    ymin: '-2'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [344, 660.0]
-    rotation: 0
-    state: true
 - name: qtgui_freq_sink_x_0
   id: qtgui_freq_sink_x
   parameters:
@@ -1669,30 +1519,28 @@ blocks:
     state: true
 
 connections:
-- [analog_random_source_x_0, '0', blocks_throttle_0_0, '0']
 - [analog_random_source_x_0, '0', blocks_unpack_k_bits_bb_0_0, '0']
+- [analog_random_source_x_0, '0', digital_constellation_modulator_0, '0']
 - [blocks_char_to_float_0, '0', qtgui_freq_sink_x_2_1, '0']
 - [blocks_char_to_float_0, '0', qtgui_time_sink_x_0, '0']
 - [blocks_char_to_float_0_0, '0', blocks_delay_0, '0']
 - [blocks_char_to_float_0_1, '0', qtgui_freq_sink_x_2_1, '1']
 - [blocks_char_to_float_0_1, '0', qtgui_time_sink_x_0, '2']
 - [blocks_delay_0, '0', qtgui_time_sink_x_0, '1']
-- [blocks_throttle_0, '0', fir_filter_xxx_0, '0']
-- [blocks_throttle_0_0, '0', digital_constellation_modulator_0, '0']
+- [blocks_throttle_0, '0', channels_channel_model_0, '0']
 - [blocks_unpack_k_bits_bb_0, '0', blocks_char_to_float_0, '0']
 - [blocks_unpack_k_bits_bb_0_0, '0', blocks_char_to_float_0_0, '0']
 - [blocks_unpack_k_bits_bb_0_1, '0', blocks_char_to_float_0_1, '0']
 - [blocks_vector_source_x_0, '0', digital_constellation_modulator_0, '0']
-- [channels_channel_model_0, '0', channels_selective_fading_model2_0, '0']
+- [channels_channel_model_0, '0', channels_selective_fading_model2_1, '0']
 - [channels_channel_model_0, '0', channels_selective_fading_model_0, '0']
 - [channels_channel_model_0, '0', channels_selective_fading_model_2, '0']
 - [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0_0, '0']
 - [channels_channel_model_0, '0', qtgui_const_sink_x_0, '1']
 - [channels_channel_model_0, '0', qtgui_freq_sink_x_0, '1']
-- [channels_selective_fading_model2_0, '0', digital_pfb_clock_sync_xxx_0, '0']
-- [channels_selective_fading_model2_0, '0', qtgui_const_sink_x_0, '0']
-- [channels_selective_fading_model2_0, '0', qtgui_freq_sink_x_0, '0']
-- [channels_selective_fading_model_0, '0', digital_constellation_receiver_cb_0, '0']
+- [channels_selective_fading_model2_1, '0', digital_pfb_clock_sync_xxx_0, '0']
+- [channels_selective_fading_model2_1, '0', qtgui_const_sink_x_0, '0']
+- [channels_selective_fading_model2_1, '0', qtgui_freq_sink_x_0, '0']
 - [channels_selective_fading_model_0, '0', digital_pfb_clock_sync_xxx_0, '0']
 - [channels_selective_fading_model_0, '0', qtgui_const_sink_x_0, '0']
 - [channels_selective_fading_model_0, '0', qtgui_freq_sink_x_0, '0']
@@ -1706,12 +1554,6 @@ connections:
 - [digital_constellation_decoder_cb_0, '0', digital_diff_decoder_bb_0, '0']
 - [digital_constellation_decoder_cb_0_0, '0', digital_diff_decoder_bb_0_0, '0']
 - [digital_constellation_modulator_0, '0', blocks_throttle_0, '0']
-- [digital_constellation_modulator_0, '0', qtgui_const_sink_x_3, '0']
-- [digital_constellation_receiver_cb_0, '0', digital_diff_decoder_bb_0, '0']
-- [digital_constellation_receiver_cb_0, '4', digital_cma_equalizer_cc_0, '0']
-- [digital_constellation_receiver_cb_0, '4', qtgui_const_sink_x_0_0, '0']
-- [digital_constellation_receiver_cb_0, '4', qtgui_const_sink_x_1, '0']
-- [digital_constellation_receiver_cb_0, '4', qtgui_const_sink_x_2, '0']
 - [digital_costas_loop_cc_0, '0', digital_constellation_decoder_cb_0, '0']
 - [digital_costas_loop_cc_0, '0', qtgui_const_sink_x_2, '0']
 - [digital_costas_loop_cc_0_0, '0', digital_constellation_decoder_cb_0_0, '0']
@@ -1724,7 +1566,6 @@ connections:
 - [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_0_0, '0']
 - [digital_pfb_clock_sync_xxx_0_0, '0', digital_cma_equalizer_cc_0_0, '0']
 - [digital_pfb_clock_sync_xxx_0_0, '0', qtgui_const_sink_x_0_0, '1']
-- [fir_filter_xxx_0, '0', channels_channel_model_0, '0']
 
 metadata:
   file_format: 1