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authorsara <sara.halter@gmx.ch>2021-11-10 19:13:23 +0100
committersara <sara.halter@gmx.ch>2021-11-10 19:13:23 +0100
commitcd4fc8a8f595650a262f71dd185c22032fc726a2 (patch)
tree1a2e4839902b6747e684f6e952ce4e7da133c878 /simulation/QAM
parentMerge branch 'master' of github.com:NaoPross/Fading (diff)
downloadFading-cd4fc8a8f595650a262f71dd185c22032fc726a2.tar.gz
Fading-cd4fc8a8f595650a262f71dd185c22032fc726a2.zip
Fading Model und Bilder
Diffstat (limited to 'simulation/QAM')
-rw-r--r--simulation/QAM/QAM16_Simulation.pngbin0 -> 75755 bytes
-rw-r--r--simulation/QAM/qam.grc6
-rwxr-xr-xsimulation/QAM/qam.py6
3 files changed, 6 insertions, 6 deletions
diff --git a/simulation/QAM/QAM16_Simulation.png b/simulation/QAM/QAM16_Simulation.png
new file mode 100644
index 0000000..1342db4
--- /dev/null
+++ b/simulation/QAM/QAM16_Simulation.png
Binary files differ
diff --git a/simulation/QAM/qam.grc b/simulation/QAM/qam.grc
index ebbb7dc..d74a8fb 100644
--- a/simulation/QAM/qam.grc
+++ b/simulation/QAM/qam.grc
@@ -54,7 +54,7 @@ blocks:
rot_sym: '4'
soft_dec_lut: None
sym_map: '[0, 1, 3, 2]'
- type: 16qam
+ type: 8psk
states:
bus_sink: false
bus_source: false
@@ -463,7 +463,7 @@ blocks:
affinity: ''
alias: ''
comment: ''
- constellation: qam_const
+ constellation: const
maxoutbuf: '0'
minoutbuf: '0'
states:
@@ -479,7 +479,7 @@ blocks:
affinity: ''
alias: ''
comment: ''
- constellation: qam_const
+ constellation: const
differential: 'True'
excess_bw: excess_bw
log: 'False'
diff --git a/simulation/QAM/qam.py b/simulation/QAM/qam.py
index 2b64847..8977787 100755
--- a/simulation/QAM/qam.py
+++ b/simulation/QAM/qam.py
@@ -90,7 +90,7 @@ class qam(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_16qam().base()
+ self.const = const = digital.constellation_8psk().base()
self.chn_taps = chn_taps = [1.0 + 0.0j, ]
##################################################
@@ -443,14 +443,14 @@ class qam(gr.top_block, Qt.QWidget):
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False)
self.digital_constellation_modulator_0 = digital.generic_mod(
- constellation=qam_const,
+ constellation=const,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False)
- self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qam_const)
+ self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(const)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,