Doku exemple real

26 files changed, 399 insertions, 141 deletions

diff --git a/doc/thesis/Makefile b/doc/thesis/Makefile
index 63cc851..db843b8 100644
--- a/doc/thesis/Makefile
+++ b/doc/thesis/Makefile
@@ -31,6 +31,7 @@ SOURCES := \
 	figures/tikz/qpsk-sim-constellations-static-symb-NLOS.tex \
 	figures/tikz/qpsk-sim-constellations-static-symb-vec.tex \
 	figures/tikz/qpsk-sim-constellations-dynamic.tex\
+	figures/tikz/qpsk-sim-constellations-dynamic-exp-NLOS-5.tex\
 	figures/tikz/qpsk-sim-constellations-without-effects.tex\
 
 
@@ -41,6 +42,7 @@ DATA := \
 	figures/data/qpsk_sim_constellations_static_symb_NLOS.dat \
 	figures/data/qpsk_sim_constellations_static_symb_vec.dat \
 	figures/data/qpsk_sim_constellations_dynamic.dat\
+	figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.dat\
 	figures/data/qpsk_sim_constellations_without_effects.dat \
 	figures/data/rice_pdf.dat
 
diff --git a/doc/thesis/chapters/implementation.tex b/doc/thesis/chapters/implementation.tex
index ff80f2e..748982c 100644
--- a/doc/thesis/chapters/implementation.tex
+++ b/doc/thesis/chapters/implementation.tex
@@ -426,6 +426,16 @@ In order to obtain a realistic simulation the values for multi-path fading propa
 	\caption{Values used for the simulation\label{tab:values}}
 \end{table}
 
+\begin{figure}
+	\centering
+	\input{figures/tikz/qpsk-sim-constellations-dynamic-exp-NLOS-5}
+	\caption{
+		TODO
+	}
+	\label{fig:dynamic-exp-real}
+\end{figure}
+
+
 \subsection{Measurements}
 
 \skelpar[5]{
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_LOS_5_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_LOS_5_K5.dat
new file mode 100644
index 0000000..b4accdd
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_LOS_5_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_LOS_70_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_LOS_70_K5.dat
new file mode 100644
index 0000000..350fb3b
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_LOS_70_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_NLOS_5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_NLOS_5.dat
new file mode 100644
index 0000000..1322947
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_NLOS_5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_NLOS_70.dat b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_NLOS_70.dat
new file mode 100644
index 0000000..ffe47ce
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_channel_dynamic_exp_NLOS_70.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_LOS_5_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_LOS_5_K5.dat
new file mode 100644
index 0000000..ce683a0
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_LOS_5_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_LOS_70_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_LOS_70_K5.dat
new file mode 100644
index 0000000..a0399b9
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_LOS_70_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_NLOS_5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_NLOS_5.dat
new file mode 100644
index 0000000..28eaeb8
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_NLOS_5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_NLOS_70.dat b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_NLOS_70.dat
new file mode 100644
index 0000000..596e0a9
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_equalized_dynamic_exp_NLOS_70.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_LOS_5_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_LOS_5_K5.dat
new file mode 100644
index 0000000..c0c30e0
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_LOS_5_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_LOS_70_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_LOS_70_K5.dat
new file mode 100644
index 0000000..1d55afc
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_LOS_70_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_NLOS_5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_NLOS_5.dat
new file mode 100644
index 0000000..1c53fed
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_NLOS_5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_NLOS_70.dat b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_NLOS_70.dat
new file mode 100644
index 0000000..5e2a983
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_locked_dynamic_exp_NLOS_70.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_LOS_5_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_LOS_5_K5.dat
new file mode 100644
index 0000000..513dfa8
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_LOS_5_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_LOS_70_K5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_LOS_70_K5.dat
new file mode 100644
index 0000000..86d472a
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_LOS_70_K5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_NLOS_5.dat b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_NLOS_5.dat
new file mode 100644
index 0000000..327a07d
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_NLOS_5.dat
diff --git a/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_NLOS_70.dat b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_NLOS_70.dat
new file mode 100644
index 0000000..35971b0
--- /dev/null
+++ b/doc/thesis/figures/data/flowgraphs/qpsk_sync_dynamic_exp_NLOS_70.dat
diff --git a/doc/thesis/figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.py b/doc/thesis/figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.py
new file mode 100644
index 0000000..c48b87b
--- /dev/null
+++ b/doc/thesis/figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+
+import os
+import numpy as np
+
+DATA_DIR = "./figures/data/flowgraphs"
+SPS = 4
+
+channel   = np.fromfile(f"{DATA_DIR}/qpsk_channel_dynamic_exp_NLOS_5.dat", dtype=np.complex64)[::SPS]
+sync      = np.fromfile(f"{DATA_DIR}/qpsk_sync_dynamic_exp_NLOS_5.dat", dtype=np.complex64)
+equalized = np.fromfile(f"{DATA_DIR}/qpsk_equalized_dynamic_exp_NLOS_5.dat", dtype=np.complex64)
+locked    = np.fromfile(f"{DATA_DIR}/qpsk_locked_dynamic_exp_NLOS_5.dat", dtype=np.complex64)
+
+samples = [channel, sync, equalized, locked]
+
+# print(list(map(len, samples)))
+
+start = 67.8e3
+end = start + 500
+# start = 80e3
+# end = start + 1000
+
+get_range = lambda arr: arr[int(start):int(end)]
+get_parts = lambda v: (np.real(v), np.imag(v))
+
+values = map(get_range, samples)
+parts = [p for v in map(get_parts, values) for p in v]
+data = np.array(list(zip(*parts)))
+
+# save to file
+location = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
+name, _ = os.path.splitext(os.path.basename(__file__))
+filename = os.path.join(location, name + ".dat")
+np.savetxt(filename, data, fmt='%.6e')
diff --git a/doc/thesis/figures/tikz/qpsk-sim-constellations-dynamic-exp-NLOS-5.tex b/doc/thesis/figures/tikz/qpsk-sim-constellations-dynamic-exp-NLOS-5.tex
new file mode 100644
index 0000000..4afaa09
--- /dev/null
+++ b/doc/thesis/figures/tikz/qpsk-sim-constellations-dynamic-exp-NLOS-5.tex
@@ -0,0 +1,75 @@
+% vim: set ts=2 sw=2 noet:
+\begin{tikzpicture}
+	\begin{axis}[
+			title = {Channel with ISI},
+			width = 5cm, height = 5cm,
+			% ylabel = {Quadrature},
+			% xlabel = {In-Phase},
+			xlabel near ticks,
+			ylabel near ticks,
+			grid = major,
+			xmin = -5, xmax = 5,
+			ymin = -5, ymax = 5,
+		]
+
+		\addplot[magenta, only marks] table[x index = 0, y index = 1]
+			{figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.dat};
+	\end{axis}
+\end{tikzpicture}
+\hspace{5mm}
+\begin{tikzpicture}
+	\begin{axis}[
+			title = {Synchronized},
+			width = 5cm, height = 5cm,
+			% ylabel = {Quadrature},
+			% xlabel = {In-Phase},
+			xlabel near ticks,
+			ylabel near ticks,
+			grid = major,
+			xmin = -5, xmax = 5,
+			ymin = -5, ymax = 5,
+		]
+
+		\addplot[magenta!80!blue, only marks] table[x index = 2, y index = 3]
+			{figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.dat};
+	\end{axis}
+\end{tikzpicture}
+
+\vspace{5mm}
+
+\begin{tikzpicture}
+	\begin{axis}[
+			title = {Equalized},
+			width = 5cm, height = 5cm,
+			% ylabel = {Quadrature},
+			% xlabel = {In-Phase},
+			xlabel near ticks,
+			ylabel near ticks,
+			grid = major,
+			xmin = -1.5, xmax = 1.5,
+			ymin = -1.5, ymax = 1.5,
+		]
+
+		\addplot[magenta!50!blue, only marks] table[x index = 4, y index = 5]
+			{figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.dat};
+	\end{axis}
+\end{tikzpicture}
+\hspace{5mm}
+\begin{tikzpicture}
+	\begin{axis}[
+			title = {Locked},
+			width = 5cm, height = 5cm,
+			% ylabel = {Quadrature},
+			% xlabel = {In-Phase},
+			xlabel near ticks,
+			ylabel near ticks,
+			grid = major,
+			xmin = -1.5, xmax = 1.5,
+			ymin = -1.5, ymax = 1.5,
+		]
+
+		\addplot[magenta!30!blue, only marks] table[x index = 6, y index = 7]
+			{figures/data/qpsk_sim_constellations_dynamic_exp_NLOS_5.dat};
+	\end{axis}
+\end{tikzpicture}
+
diff --git a/flowgraphs/qpsk_sim.grc b/flowgraphs/qpsk_sim.grc
index de46d9a..5bdbb47 100644
--- a/flowgraphs/qpsk_sim.grc
+++ b/flowgraphs/qpsk_sim.grc
@@ -8,7 +8,7 @@ options:
     description: ''
     gen_cmake: 'On'
     gen_linking: dynamic
-    generate_options: no_gui
+    generate_options: qt_gui
     hier_block_src_path: '.:'
     id: qpsk_sim
     max_nouts: '0'
@@ -94,7 +94,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [224, 252.0]
+    coordinate: [184, 252.0]
     rotation: 0
     state: enabled
 - name: frame_len
@@ -179,7 +179,7 @@ blocks:
   id: variable
   parameters:
     comment: ''
-    value: '[0x1f, 0x35] + [0x12, 0x48, 0x12, 0x45] '
+    value: '[0x1f, 0x35] + [0x12, 0x48] '
   states:
     bus_sink: false
     bus_source: false
@@ -257,7 +257,7 @@ blocks:
     bus_structure: null
     coordinate: [992, 524.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: blocks_file_sink_1
   id: blocks_file_sink
   parameters:
@@ -275,7 +275,7 @@ blocks:
     bus_structure: null
     coordinate: [1280, 820.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: blocks_file_sink_2
   id: blocks_file_sink
   parameters:
@@ -293,7 +293,7 @@ blocks:
     bus_structure: null
     coordinate: [528, 1084.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: blocks_file_sink_3
   id: blocks_file_sink
   parameters:
@@ -311,7 +311,7 @@ blocks:
     bus_structure: null
     coordinate: [768, 828.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: blocks_null_source_0
   id: blocks_null_source
   parameters:
@@ -484,23 +484,23 @@ blocks:
     bus_structure: null
     coordinate: [312, 716.0]
     rotation: 0
-    state: enabled
+    state: bypassed
 - name: channels_selective_fading_model_0
   id: channels_selective_fading_model
   parameters:
-    K: '4.0'
-    LOS: 'False'
+    K: '5'
+    LOS: 'True'
     N: '8'
     affinity: ''
     alias: ''
     comment: ''
-    delays: (0,1.8)
-    fDTs: ((2*carrier_freq)/(3*10e8))/samp_rate
-    mags: (1,0.12)
+    delays: (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate)
+    fDTs: 5/samp_rate
+    mags: (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797)
     maxoutbuf: '0'
     minoutbuf: '0'
-    ntaps: '8'
-    seed: '21'
+    ntaps: '9'
+    seed: '0'
   states:
     bus_sink: false
     bus_source: false
@@ -645,9 +645,9 @@ blocks:
   parameters:
     affinity: ''
     alias: ''
-    amplitudes: '[0.12]'
+    amplitudes: '[0.2]'
     comment: ''
-    delays: '[1.8]'
+    delays: '[sps]'
     los: 'True'
     maxoutbuf: '0'
     minoutbuf: '0'
@@ -859,6 +859,98 @@ blocks:
     coordinate: [536, 852.0]
     rotation: 0
     state: disabled
+- name: qtgui_const_sink_x_1
+  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: '2'
+    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: [1232, 740.0]
+    rotation: 0
+    state: true
 - name: qtgui_time_sink_x_0
   id: qtgui_time_sink_x
   parameters:
@@ -1064,11 +1156,14 @@ connections:
 - [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
 - [digital_pfb_clock_sync_xxx_0, '0', fadingui_netsink_4, '0']
 - [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_0, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_1, '1']
 - [fadingui_datasource_0, '0', digital_constellation_modulator_0, '0']
+- [fadingui_multipath_fading_0, '0', blocks_file_sink_0, '0']
 - [fadingui_multipath_fading_0, '0', fadingui_netsink_0, '0']
 - [fadingui_multipath_fading_0, '0', virtual_sink_1, '0']
 - [fadingui_phasecorrection_0, '0', blocks_file_sink_1, '0']
 - [fadingui_phasecorrection_0, '0', fadingui_netsink_3, '0']
+- [fadingui_phasecorrection_0, '0', qtgui_const_sink_x_1, '0']
 - [fadingui_phasecorrection_0, '0', virtual_sink_2, '0']
 - [virtual_source_0, '0', digital_constellation_decoder_cb_0, '0']
 - [virtual_source_1, '0', digital_pfb_clock_sync_xxx_0, '0']
diff --git a/flowgraphs/qpsk_sim.py b/flowgraphs/qpsk_sim.py
index a7820ae..3c2b288 100755
--- a/flowgraphs/qpsk_sim.py
+++ b/flowgraphs/qpsk_sim.py
@@ -9,6 +9,21 @@
 # Author: Naoki Sean Pross, Sara Cinzia Halter
 # GNU Radio version: 3.8.2.0
 
+from distutils.version import StrictVersion
+
+if __name__ == '__main__':
+    import ctypes
+    import sys
+    if sys.platform.startswith('linux'):
+        try:
+            x11 = ctypes.cdll.LoadLibrary('libX11.so')
+            x11.XInitThreads()
+        except:
+            print("Warning: failed to XInitThreads()")
+
+from PyQt5 import Qt
+from gnuradio import qtgui
+import sip
 from gnuradio import blocks
 import numpy
 from gnuradio import channels
@@ -23,16 +38,45 @@ from gnuradio import eng_notation
 import fadingui
 import numpy as np
 
+from gnuradio import qtgui
 
-class qpsk_sim(gr.top_block):
+class qpsk_sim(gr.top_block, Qt.QWidget):
 
     def __init__(self):
         gr.top_block.__init__(self, "QPSK Sim")
+        Qt.QWidget.__init__(self)
+        self.setWindowTitle("QPSK Sim")
+        qtgui.util.check_set_qss()
+        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", "qpsk_sim")
+
+        try:
+            if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+                self.restoreGeometry(self.settings.value("geometry").toByteArray())
+            else:
+                self.restoreGeometry(self.settings.value("geometry"))
+        except:
+            pass
 
         ##################################################
         # Variables
         ##################################################
-        self.testvec = testvec = [0x1f, 0x35] + [0x12, 0x48, 0x12, 0x45]
+        self.testvec = testvec = [0x1f, 0x35] + [0x12, 0x48]
         self.sps = sps = 4
         self.nfilts = nfilts = 32
         self.excess_bw = excess_bw = 0.35
@@ -46,6 +90,46 @@ class qpsk_sim(gr.top_block):
         ##################################################
         # Blocks
         ##################################################
+        self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
+            1024, #size
+            "", #name
+            2 #number of inputs
+        )
+        self.qtgui_const_sink_x_1.set_update_time(0.10)
+        self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
+        self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
+        self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
+        self.qtgui_const_sink_x_1.enable_autoscale(False)
+        self.qtgui_const_sink_x_1.enable_grid(False)
+        self.qtgui_const_sink_x_1.enable_axis_labels(True)
+
+
+        labels = ['', '', '', '', '',
+            '', '', '', '', '']
+        widths = [1, 1, 1, 1, 1,
+            1, 1, 1, 1, 1]
+        colors = ["blue", "red", "red", "red", "red",
+            "red", "red", "red", "red", "red"]
+        styles = [0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0]
+        markers = [0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0]
+        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
+            1.0, 1.0, 1.0, 1.0, 1.0]
+
+        for i in range(2):
+            if len(labels[i]) == 0:
+                self.qtgui_const_sink_x_1.set_line_label(i, "Data {0}".format(i))
+            else:
+                self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
+            self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
+            self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
+            self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
+            self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
+            self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
+
+        self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
+        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_1_win)
         self.fadingui_phasecorrection_0 = fadingui.phasecorrection(frame_len)
         self.fadingui_netsink_4 = fadingui.netsink(address='udp://localhost:31417', dtype="complex", vlen=1)
         self.fadingui_netsink_3 = fadingui.netsink(address='udp://localhost:31419', dtype="complex", vlen=1)
@@ -65,20 +149,21 @@ class qpsk_sim(gr.top_block):
             log=False)
         self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const)
         self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 2e-3, 1)
-        self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, ((2*carrier_freq)/(3*10e8))/samp_rate, False, 4.0, 21, (0,1.8), (1,0.12), 8 )
-        self.channels_channel_model_0 = channels.channel_model(
-            noise_voltage=100e-3,
-            frequency_offset=2e-3,
-            epsilon=1.0,
-            taps=[np.exp(1j * 30 / 180 * np.pi)],
-            noise_seed=243,
-            block_tags=False)
+        self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 5/samp_rate, True, 5, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 )
         self.blocks_vector_source_x_0 = blocks.vector_source_b(testvec, True, 1, [])
         self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
         self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_char*1, 'frame_start')
         self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_char*1, frame_len)
         self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, [len(testvec), 4])
         self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST)
+        self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_equalized.dat', False)
+        self.blocks_file_sink_3.set_unbuffered(False)
+        self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_sync.dat', False)
+        self.blocks_file_sink_2.set_unbuffered(False)
+        self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_locked.dat', False)
+        self.blocks_file_sink_1.set_unbuffered(False)
+        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_channel.dat', False)
+        self.blocks_file_sink_0.set_unbuffered(False)
         self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
         self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 400))), True)
 
@@ -93,23 +178,33 @@ class qpsk_sim(gr.top_block):
         self.connect((self.blocks_stream_mux_0, 0), (self.digital_constellation_modulator_0, 0))
         self.connect((self.blocks_stream_to_vector_0, 0), (self.fadingui_ber_0, 0))
         self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_repack_bits_bb_0, 0))
-        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
+        self.connect((self.blocks_throttle_0, 0), (self.channels_selective_fading_model_0, 0))
         self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0))
+        self.connect((self.channels_selective_fading_model_0, 0), (self.blocks_file_sink_0, 0))
         self.connect((self.channels_selective_fading_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
         self.connect((self.channels_selective_fading_model_0, 0), (self.fadingui_netsink_0, 0))
+        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.blocks_file_sink_3, 0))
         self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0))
         self.connect((self.digital_cma_equalizer_cc_0, 0), (self.fadingui_netsink_1, 0))
         self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_tagged_stream_align_0, 0))
         self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
         self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_0, 0))
         self.connect((self.digital_corr_est_cc_0, 0), (self.fadingui_phasecorrection_0, 0))
+        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_file_sink_2, 0))
         self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
         self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.fadingui_netsink_4, 0))
+        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_1, 1))
+        self.connect((self.fadingui_phasecorrection_0, 0), (self.blocks_file_sink_1, 0))
         self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0))
         self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0))
+        self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_1, 0))
 
 
+    def closeEvent(self, event):
+        self.settings = Qt.QSettings("GNU Radio", "qpsk_sim")
+        self.settings.setValue("geometry", self.saveGeometry())
+        event.accept()
+
     def get_testvec(self):
         return self.testvec
 
@@ -145,7 +240,7 @@ class qpsk_sim(gr.top_block):
     def set_samp_rate(self, samp_rate):
         self.samp_rate = samp_rate
         self.blocks_throttle_0.set_sample_rate(self.samp_rate)
-        self.channels_selective_fading_model_0.set_fDTs(((2*self.carrier_freq)/(3*10e8))/self.samp_rate)
+        self.channels_selective_fading_model_0.set_fDTs(5/self.samp_rate)
 
     def get_rrc_taps(self):
         return self.rrc_taps
@@ -171,7 +266,6 @@ class qpsk_sim(gr.top_block):
 
     def set_carrier_freq(self, carrier_freq):
         self.carrier_freq = carrier_freq
-        self.channels_selective_fading_model_0.set_fDTs(((2*self.carrier_freq)/(3*10e8))/self.samp_rate)
 
     def get_access_code_symbols(self):
         return self.access_code_symbols
@@ -187,21 +281,34 @@ class qpsk_sim(gr.top_block):
 def main(top_block_cls=qpsk_sim, options=None):
     if gr.enable_realtime_scheduling() != gr.RT_OK:
         print("Error: failed to enable real-time scheduling.")
+
+    if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+        style = gr.prefs().get_string('qtgui', 'style', 'raster')
+        Qt.QApplication.setGraphicsSystem(style)
+    qapp = Qt.QApplication(sys.argv)
+
     tb = top_block_cls()
 
-    def sig_handler(sig=None, frame=None):
-        tb.stop()
-        tb.wait()
+    tb.start()
 
-        sys.exit(0)
+    tb.show()
+
+    def sig_handler(sig=None, frame=None):
+        Qt.QApplication.quit()
 
     signal.signal(signal.SIGINT, sig_handler)
     signal.signal(signal.SIGTERM, sig_handler)
 
-    tb.start()
+    timer = Qt.QTimer()
+    timer.start(500)
+    timer.timeout.connect(lambda: None)
 
-    tb.wait()
+    def quitting():
+        tb.stop()
+        tb.wait()
 
+    qapp.aboutToQuit.connect(quitting)
+    qapp.exec_()
 
 if __name__ == '__main__':
     main()
diff --git a/notebooks/Fading Channel Taps.ipynb b/notebooks/Fading Channel Taps.ipynb
index feeb815..2dfecc2 100644
--- a/notebooks/Fading Channel Taps.ipynb
+++ b/notebooks/Fading Channel Taps.ipynb
@@ -12,17 +12,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 10,
    "id": "9790f979",
    "metadata": {},
    "outputs": [],
    "source": [
-    "db = -9\n"
+    "db = 0.0\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 11,
    "id": "041264af",
    "metadata": {},
    "outputs": [],
@@ -32,17 +32,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 12,
    "id": "7b6019fe",
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "0.12589254117941673"
+       "1.0"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 12,
      "metadata": {},
      "output_type": "execute_result"
     }
diff --git a/references/channel/ts_136104v110400p.pdf b/references/channel/ts_136104v110400p.pdf
new file mode 100644
index 0000000..c0291a7
--- /dev/null
+++ b/references/channel/ts_136104v110400p.pdf
diff --git a/simulation/QAM_Fading/qam_fading.py b/simulation/QAM_Fading/qam_fading.py
index cc1bd08..ea8917c 100755
--- a/simulation/QAM_Fading/qam_fading.py
+++ b/simulation/QAM_Fading/qam_fading.py
@@ -116,13 +116,6 @@ class qam_fading(gr.top_block, Qt.QWidget):
             self.params_grid_layout_0.setRowStretch(r, 1)
         for c in range(1, 2):
             self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200)
-        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
         self.plots = Qt.QTabWidget()
         self.plots_widget_0 = Qt.QWidget()
         self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0)
@@ -147,20 +140,6 @@ class qam_fading(gr.top_block, Qt.QWidget):
             self.params_grid_layout_1.setRowStretch(r, 1)
         for c in range(0, 1):
             self.params_grid_layout_1.setColumnStretch(c, 1)
-        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
-        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200)
-        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
         self._fc_range = Range(0, 10, 1, 2.4, 200)
         self._fc_win = RangeWidget(self._fc_range, self.set_fc, 'fc', "counter_slider", float)
         self.params_grid_layout_0.addWidget(self._fc_win, 1, 2, 1, 1)
@@ -175,6 +154,13 @@ class qam_fading(gr.top_block, Qt.QWidget):
             self.params_grid_layout_1.setRowStretch(r, 1)
         for c in range(0, 1):
             self.params_grid_layout_1.setColumnStretch(c, 1)
+        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200)
+        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float)
+        self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1)
+        for r in range(0, 1):
+            self.params_grid_layout_0.setRowStretch(r, 1)
+        for c in range(1, 2):
+            self.params_grid_layout_0.setColumnStretch(c, 1)
         self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
             1024, #size
             samp_rate, #samp_rate
@@ -446,6 +432,20 @@ class qam_fading(gr.top_block, Qt.QWidget):
             self.plots_grid_layout_0.setRowStretch(r, 1)
         for c in range(0, 1):
             self.plots_grid_layout_0.setColumnStretch(c, 1)
+        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
+        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float)
+        self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
+        for r in range(0, 1):
+            self.params_grid_layout_0.setRowStretch(r, 1)
+        for c in range(0, 1):
+            self.params_grid_layout_0.setColumnStretch(c, 1)
+        self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200)
+        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float)
+        self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1)
+        for r in range(1, 2):
+            self.params_grid_layout_0.setRowStretch(r, 1)
+        for c in range(0, 1):
+            self.params_grid_layout_0.setColumnStretch(c, 1)
         self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(sps , timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1)
         self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps , timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1)
         self.digital_map_bb_0_0 = digital.map_bb([0, 1, 3, 2])
@@ -466,14 +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, 21, (0,1.8), (1,0.12), 8 )
-        self.channels_channel_model_0 = channels.channel_model(
-            noise_voltage=noise_volt,
-            frequency_offset=freq_offset,
-            epsilon=time_offset,
-            taps=chn_taps,
-            noise_seed=0,
-            block_tags=False)
+        self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 70/samp_rate, False, 4, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 )
         self.blocks_unpack_k_bits_bb_0_1 = blocks.unpack_k_bits_bb(2)
         self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(2)
         self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
@@ -495,14 +488,13 @@ class qam_fading(gr.top_block, Qt.QWidget):
         self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_delay_0, 0))
         self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_0, 2))
         self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 1))
-        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
+        self.connect((self.blocks_throttle_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0))
+        self.connect((self.blocks_throttle_0, 0), (self.qtgui_const_sink_x_0, 1))
+        self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 1))
         self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
         self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0, 0))
         self.connect((self.blocks_unpack_k_bits_bb_0_1, 0), (self.blocks_char_to_float_0_1, 0))
         self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 1))
-        self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 1))
         self.connect((self.channels_selective_fading_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
         self.connect((self.channels_selective_fading_model_0, 0), (self.qtgui_const_sink_x_0, 0))
         self.connect((self.channels_selective_fading_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
@@ -580,7 +572,7 @@ class qam_fading(gr.top_block, Qt.QWidget):
     def set_samp_rate(self, samp_rate):
         self.samp_rate = samp_rate
         self.blocks_throttle_0.set_sample_rate(self.samp_rate)
-        self.channels_selective_fading_model_0.set_fDTs(((2*self.fc*1e9)/(3*10e8))/self.samp_rate)
+        self.channels_selective_fading_model_0.set_fDTs(70/self.samp_rate)
         self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
         self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
 
@@ -619,7 +611,6 @@ class qam_fading(gr.top_block, Qt.QWidget):
 
     def set_fc(self, fc):
         self.fc = fc
-        self.channels_selective_fading_model_0.set_fDTs(((2*self.fc*1e9)/(3*10e8))/self.samp_rate)
 
     def get_eq_ntaps(self):
         return self.eq_ntaps
diff --git a/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc b/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc
index 109a74d..6ee63b3 100644
--- a/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc
+++ b/simulation/QAM_Fading/qam_fading_frequency_selectiv.grc
@@ -502,32 +502,7 @@ blocks:
     bus_structure: null
     coordinate: [648, 316.0]
     rotation: 0
-    state: enabled
-- name: channels_selective_fading_model2_1
-  id: channels_selective_fading_model2
-  parameters:
-    K: '4.0'
-    LOS: 'False'
-    N: '8'
-    affinity: ''
-    alias: ''
-    comment: ''
-    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'
-    seed: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [888, 276.0]
-    rotation: 0
-    state: disabled
+    state: bypassed
 - name: channels_selective_fading_model_0
   id: channels_selective_fading_model
   parameters:
@@ -537,43 +512,20 @@ blocks:
     affinity: ''
     alias: ''
     comment: ''
-    delays: (0,1.8)
-    fDTs: ((2*fc*1e9)/(3*10e8))/samp_rate
-    mags: (1,0.12)
+    delays: (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate)
+    fDTs: 70/samp_rate
+    mags: (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797)
     maxoutbuf: '0'
     minoutbuf: '0'
-    ntaps: '8'
-    seed: '21'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [976, 404.0]
-    rotation: 0
-    state: enabled
-- name: channels_selective_fading_model_2
-  id: channels_selective_fading_model
-  parameters:
-    K: '4.0'
-    LOS: 'False'
-    N: '30'
-    affinity: ''
-    alias: ''
-    comment: ''
-    delays: (0.0,0.1,1.3)
-    fDTs: '0'
-    mags: (1,0.99,0.97)
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    ntaps: '8'
+    ntaps: '9'
     seed: '0'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [928, 140.0]
+    coordinate: [960, 300.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: digital_cma_equalizer_cc_0
   id: digital_cma_equalizer_cc
   parameters:
@@ -1532,21 +1484,13 @@ connections:
 - [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_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_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']
-- [channels_selective_fading_model_2, '0', digital_pfb_clock_sync_xxx_0, '0']
-- [channels_selective_fading_model_2, '0', qtgui_const_sink_x_0, '0']
-- [channels_selective_fading_model_2, '0', qtgui_freq_sink_x_0, '0']
 - [digital_cma_equalizer_cc_0, '0', digital_costas_loop_cc_0, '0']
 - [digital_cma_equalizer_cc_0, '0', qtgui_const_sink_x_1, '0']
 - [digital_cma_equalizer_cc_0_0, '0', digital_costas_loop_cc_0_0, '0']