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-rw-r--r--flowgraphs/qpsk_hw.grc12
-rwxr-xr-xflowgraphs/qpsk_hw.py4
-rw-r--r--flowgraphs/qpsk_sim.grc2
3 files changed, 9 insertions, 9 deletions
diff --git a/flowgraphs/qpsk_hw.grc b/flowgraphs/qpsk_hw.grc
index 2ebc340..a0d6872 100644
--- a/flowgraphs/qpsk_hw.grc
+++ b/flowgraphs/qpsk_hw.grc
@@ -131,7 +131,7 @@ blocks:
id: variable
parameters:
comment: ''
- value: 1e6
+ value: 5e5
states:
bus_sink: false
bus_source: false
@@ -361,7 +361,7 @@ blocks:
minoutbuf: '0'
sps: '1'
symbols: access_code_symbols
- threshold: '0.85'
+ threshold: '0.7'
threshold_method: digital.THRESHOLD_ABSOLUTE
states:
bus_sink: false
@@ -386,7 +386,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [520, 1100.0]
+ coordinate: [520, 1084.0]
rotation: 0
state: enabled
- name: digital_pfb_clock_sync_xxx_0
@@ -424,7 +424,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [1184, 1300.0]
+ coordinate: [1184, 1292.0]
rotation: 0
state: true
- name: fadingui_datasource_0
@@ -1000,7 +1000,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [312, 692.0]
+ coordinate: [336, 684.0]
rotation: 0
state: true
- name: uhd_usrp_source_0
@@ -1450,7 +1450,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [56, 764.0]
+ coordinate: [80, 756.0]
rotation: 0
state: true
diff --git a/flowgraphs/qpsk_hw.py b/flowgraphs/qpsk_hw.py
index eb6bf70..9db06a3 100755
--- a/flowgraphs/qpsk_hw.py
+++ b/flowgraphs/qpsk_hw.py
@@ -81,7 +81,7 @@ class qpsk_hw(gr.top_block, Qt.QWidget):
self.sps = sps = 4
self.nfilts = nfilts = 32
self.excess_bw = excess_bw = 0.35
- self.samp_rate = samp_rate = 1e6
+ self.samp_rate = samp_rate = 5e5
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
self.qpsk_const = qpsk_const = digital.constellation_qpsk().base()
self.frame_len = frame_len = len(testvec) +4
@@ -210,7 +210,7 @@ class qpsk_hw(gr.top_block, Qt.QWidget):
self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2 * np.pi / 100, rrc_taps, 32, 16, 1.5, 1)
self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(15, 3e-3, 1, qpsk_const)
- self.digital_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.85, digital.THRESHOLD_ABSOLUTE)
+ self.digital_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.7, digital.THRESHOLD_ABSOLUTE)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk_const,
differential=False,
diff --git a/flowgraphs/qpsk_sim.grc b/flowgraphs/qpsk_sim.grc
index db8f2be..ea9518b 100644
--- a/flowgraphs/qpsk_sim.grc
+++ b/flowgraphs/qpsk_sim.grc
@@ -433,7 +433,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [600, 572.0]
+ coordinate: [592, 572.0]
rotation: 0
state: enabled
- name: digital_cma_equalizer_cc_0