1 files changed, 129 insertions, 0 deletions
diff --git a/gr-channels/python/channels/impairments.py b/gr-channels/python/channels/impairments.py
new file mode 100644
index 0000000000..3da838a902
--- /dev/null
+++ b/gr-channels/python/channels/impairments.py
@@ -0,0 +1,129 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: Radio Impairments Model
+# Author: mettus
+# Generated: Thu Aug  1 12:46:10 2013
+##################################################
+
+from gnuradio import analog
+from gnuradio import blocks
+from gnuradio import gr
+from gnuradio.filter import firdes
+import math
+
+#Import locally
+from phase_noise_gen import *
+from iqbal_gen import *
+from distortion_2_gen import *
+from distortion_3_gen import *
+
+class impairments(gr.hier_block2):
+
+    def __init__(self, phase_noise_mag=0, magbal=0, phasebal=0, q_ofs=0, i_ofs=0, freq_offset=0, gamma=0, beta=0):
+        gr.hier_block2.__init__(
+            self, "Radio Impairments Model",
+            gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
+            gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
+        )
+
+        ##################################################
+        # Parameters
+        ##################################################
+        self.phase_noise_mag = phase_noise_mag
+        self.magbal = magbal
+        self.phasebal = phasebal
+        self.q_ofs = q_ofs
+        self.i_ofs = i_ofs
+        self.freq_offset = freq_offset
+        self.gamma = gamma
+        self.beta = beta
+
+        ##################################################
+        # Blocks
+        ##################################################
+        self.channels_phase_noise_gen_0_0 = phase_noise_gen(math.pow(10.0,phase_noise_mag/20.0), .01)
+        self.channels_iqbal_gen_0 = iqbal_gen(magbal, phasebal)
+        self.channels_distortion_3_gen_0 = distortion_3_gen(beta)
+        self.channels_distortion_2_gen_0 = distortion_2_gen(gamma)
+        self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
+        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
+        self.blocks_conjugate_cc_0 = blocks.conjugate_cc()
+        self.blocks_add_const_vxx_0 = blocks.add_const_vcc((i_ofs + q_ofs* 1j, ))
+        self.analog_sig_source_x_0 = analog.sig_source_c(1.0, analog.GR_COS_WAVE, freq_offset, 1, 0)
+
+        ##################################################
+        # Connections
+        ##################################################
+        self.connect((self.channels_phase_noise_gen_0_0, 0), (self.channels_distortion_3_gen_0, 0))
+        self.connect((self.blocks_multiply_xx_0, 0), (self, 0))
+        self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_xx_0, 1))
+        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0))
+        self.connect((self.blocks_multiply_xx_0_0, 0), (self.channels_phase_noise_gen_0_0, 0))
+        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_conjugate_cc_0, 0))
+        self.connect((self, 0), (self.blocks_multiply_xx_0_0, 1))
+        self.connect((self.blocks_conjugate_cc_0, 0), (self.blocks_multiply_xx_0_0, 0))
+        self.connect((self.channels_iqbal_gen_0, 0), (self.blocks_add_const_vxx_0, 0))
+        self.connect((self.channels_distortion_3_gen_0, 0), (self.channels_distortion_2_gen_0, 0))
+        self.connect((self.channels_distortion_2_gen_0, 0), (self.channels_iqbal_gen_0, 0))
+
+
+# QT sink close method reimplementation
+
+    def get_phase_noise_mag(self):
+        return self.phase_noise_mag
+
+    def set_phase_noise_mag(self, phase_noise_mag):
+        self.phase_noise_mag = phase_noise_mag
+        self.channels_phase_noise_gen_0_0.set_noise_mag(math.pow(10.0,self.phase_noise_mag/20.0))
+
+    def get_magbal(self):
+        return self.magbal
+
+    def set_magbal(self, magbal):
+        self.magbal = magbal
+        self.channels_iqbal_gen_0.set_magnitude(self.magbal)
+
+    def get_phasebal(self):
+        return self.phasebal
+
+    def set_phasebal(self, phasebal):
+        self.phasebal = phasebal
+        self.channels_iqbal_gen_0.set_phase(self.phasebal)
+
+    def get_q_ofs(self):
+        return self.q_ofs
+
+    def set_q_ofs(self, q_ofs):
+        self.q_ofs = q_ofs
+        self.blocks_add_const_vxx_0.set_k((self.i_ofs + self.q_ofs* 1j, ))
+
+    def get_i_ofs(self):
+        return self.i_ofs
+
+    def set_i_ofs(self, i_ofs):
+        self.i_ofs = i_ofs
+        self.blocks_add_const_vxx_0.set_k((self.i_ofs + self.q_ofs* 1j, ))
+
+    def get_freq_offset(self):
+        return self.freq_offset
+
+    def set_freq_offset(self, freq_offset):
+        self.freq_offset = freq_offset
+        self.analog_sig_source_x_0.set_frequency(self.freq_offset)
+
+    def get_gamma(self):
+        return self.gamma
+
+    def set_gamma(self, gamma):
+        self.gamma = gamma
+        self.channels_distortion_2_gen_0.set_beta(self.gamma)
+
+    def get_beta(self):
+        return self.beta
+
+    def set_beta(self, beta):
+        self.beta = beta
+        self.channels_distortion_3_gen_0.set_beta(self.beta)
+
+