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Diffstat (limited to 'dpd/src/GlobalConfig.py')
| -rw-r--r-- | dpd/src/GlobalConfig.py | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/dpd/src/GlobalConfig.py b/dpd/src/GlobalConfig.py deleted file mode 100644 index 56839fc..0000000 --- a/dpd/src/GlobalConfig.py +++ /dev/null @@ -1,108 +0,0 @@ -# -*- coding: utf-8 -*- -# -# DPD Computation Engine, constants and global configuration -# -# Source for DAB standard: etsi_EN_300_401_v010401p p145 -# -# http://www.opendigitalradio.org -# Licence: The MIT License, see notice at the end of this file - -import numpy as np - -class GlobalConfig: - def __init__(self, cli_args, plot_location): - self.sample_rate = cli_args.samplerate - assert self.sample_rate == 8192000 # By now only constants for 8192000 - - self.plot_location = plot_location - - # DAB frame - # Time domain - oversample = int(self.sample_rate / 2048000) - self.T_F = oversample * 196608 # Transmission frame duration - self.T_NULL = oversample * 2656 # Null symbol duration - self.T_S = oversample * 2552 # Duration of OFDM symbols of indices l = 1, 2, 3,... L; - self.T_U = oversample * 2048 # Inverse of carrier spacing - self.T_C = oversample * 504 # Duration of cyclic prefix - - # Frequency Domain - # example: np.delete(fft[3328:4865], 768) - self.FFT_delta = 1536 # Number of carrier frequencies - self.FFT_delete = 768 - self.FFT_start = 3328 - self.FFT_end = 4865 - - # Calculate sample offset from phase rotation - # time per sample = 1 / sample_rate - # frequency per bin = 1kHz - # phase difference per sample offset = delta_t * 2 * pi * delta_freq - self.phase_offset_per_sample = 1. / self.sample_rate * 2 * np.pi * 1000 - - # Constants for ExtractStatistic - self.ES_plot = cli_args.plot - self.ES_start = 0.0 - self.ES_end = 1.0 - self.ES_n_bins = 64 # Number of bins between ES_start and ES_end - self.ES_n_per_bin = 128 # Number of measurements pre bin - - # Constants for Measure_Shoulder - self.MS_enable = False - self.MS_plot = cli_args.plot - - meas_offset = 976 # Offset from center frequency to measure shoulder [kHz] - meas_width = 100 # Size of frequency delta to measure shoulder [kHz] - shoulder_offset_edge = np.abs(meas_offset - self.FFT_delta) - self.MS_shoulder_left_start = self.FFT_start - shoulder_offset_edge - meas_width / 2 - self.MS_shoulder_left_end = self.FFT_start - shoulder_offset_edge + meas_width / 2 - self.MS_shoulder_right_start = self.FFT_end + shoulder_offset_edge - meas_width / 2 - self.MS_shoulder_right_end = self.FFT_end + shoulder_offset_edge + meas_width / 2 - self.MS_peak_start = self.FFT_start + 100 # Ignore region near edges - self.MS_peak_end = self.FFT_end - 100 - - self.MS_FFT_size = 8192 - self.MS_averaging_size = 4 * self.MS_FFT_size - self.MS_n_averaging = 40 - self.MS_n_proc = 4 - - # Constants for MER - self.MER_plot = cli_args.plot - - # Constants for Model - self.MDL_plot = cli_args.plot - - # Constants for Model_PM - # Set all phase offsets to zero for TX amplitude < MPM_tx_min - self.MPM_tx_min = 0.1 - - # Constants for TX_Agc - self.TAGC_max_txgain = 89 # USRP B200 specific - self.TAGC_tx_median_target = cli_args.target_median - self.TAGC_tx_median_max = self.TAGC_tx_median_target * 1.4 - self.TAGC_tx_median_min = self.TAGC_tx_median_target / 1.4 - - # Constants for RX_AGC - self.RAGC_min_rxgain = 25 # USRP B200 specific - self.RAGC_rx_median_target = cli_args.target_median - -# The MIT License (MIT) -# -# Copyright (c) 2017 Andreas Steger -# Copyright (c) 2017 Matthias P. Braendli -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. |