diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gr-fadingui/grc/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | src/gr-fadingui/grc/fadingui_multipath_fading.block.yml | 41 | ||||
| -rw-r--r-- | src/gr-fadingui/python/CMakeLists.txt | 4 | ||||
| -rw-r--r-- | src/gr-fadingui/python/__init__.py | 1 | ||||
| -rw-r--r-- | src/gr-fadingui/python/multipath_fading.py | 91 | ||||
| -rwxr-xr-x | src/gr-fadingui/python/qa_multipath_fading.py | 41 |
6 files changed, 179 insertions, 2 deletions
diff --git a/src/gr-fadingui/grc/CMakeLists.txt b/src/gr-fadingui/grc/CMakeLists.txt index 92b6add..2394de4 100644 --- a/src/gr-fadingui/grc/CMakeLists.txt +++ b/src/gr-fadingui/grc/CMakeLists.txt @@ -22,5 +22,6 @@ install(FILES fadingui_dearpygui_sink.block.yml fadingui_xor_frame_sync.block.yml fadingui_deframer.block.yml - fadingui_frame_obj.block.yml DESTINATION share/gnuradio/grc/blocks + fadingui_frame_obj.block.yml + fadingui_multipath_fading.block.yml DESTINATION share/gnuradio/grc/blocks ) diff --git a/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml b/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml new file mode 100644 index 0000000..e116467 --- /dev/null +++ b/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml @@ -0,0 +1,41 @@ +id: fadingui_multipath_fading +label: Multipath Fading +category: '[fadingui]' + +templates: + imports: import fadingui + make: fadingui.multipath_fading(amplitudes=${amplitudes}, delays=${delays}) + +# Make one 'parameters' list entry for every parameter you want settable from the GUI. +# Keys include: +# * id (makes the value accessible as \$keyname, e.g. in the make entry) +# * label (label shown in the GUI) +# * dtype (e.g. int, float, complex, byte, short, xxx_vector, ...) +parameters: +- id: amplitudes + label: Amplitudes + dtype: raw +- id: delays + label: Delays + dtype: raw + +# Make one 'inputs' list entry per input and one 'outputs' list entry per output. +# Keys include: +# * label (an identifier for the GUI) +# * domain (optional - stream or message. Default is stream) +# * dtype (e.g. int, float, complex, byte, short, xxx_vector, ...) +# * vlen (optional - data stream vector length. Default is 1) +# * optional (optional - set to 1 for optional inputs. Default is 0) +inputs: +- label: in + domain: stream + dtype: complex + +outputs: +- label: out + domain: stream + dtype: complex + +# 'file_format' specifies the version of the GRC yml format used in the file +# and should usually not be changed. +file_format: 1 diff --git a/src/gr-fadingui/python/CMakeLists.txt b/src/gr-fadingui/python/CMakeLists.txt index 6ee73d3..95bb852 100644 --- a/src/gr-fadingui/python/CMakeLists.txt +++ b/src/gr-fadingui/python/CMakeLists.txt @@ -37,7 +37,8 @@ GR_PYTHON_INSTALL( dearpygui_sink.py xor_frame_sync.py deframer.py - frame_obj.py DESTINATION ${GR_PYTHON_DIR}/fadingui + frame_obj.py + multipath_fading.py DESTINATION ${GR_PYTHON_DIR}/fadingui ) ######################################################################## @@ -48,3 +49,4 @@ include(GrTest) set(GR_TEST_TARGET_DEPS gnuradio-fadingui) set(GR_TEST_PYTHON_DIRS ${CMAKE_BINARY_DIR}/swig) GR_ADD_TEST(qa_xor_frame_sync ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_xor_frame_sync.py) +GR_ADD_TEST(qa_multipath_fading ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_multipath_fading.py) diff --git a/src/gr-fadingui/python/__init__.py b/src/gr-fadingui/python/__init__.py index 5fdfea4..5a7b546 100644 --- a/src/gr-fadingui/python/__init__.py +++ b/src/gr-fadingui/python/__init__.py @@ -37,5 +37,6 @@ from .dearpygui_sink import dearpygui_sink from .xor_frame_sync import xor_frame_sync from .deframer import deframer from .frame_obj import frame_obj +from .multipath_fading import multipath_fading # diff --git a/src/gr-fadingui/python/multipath_fading.py b/src/gr-fadingui/python/multipath_fading.py new file mode 100644 index 0000000..01f2dbe --- /dev/null +++ b/src/gr-fadingui/python/multipath_fading.py @@ -0,0 +1,91 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# +# Copyright 2021 Sara Cinzia Halter. +# +# This is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# This software is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this software; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + + +import numpy as np +from numpy.fft import fft,ifft,fftshift +from gnuradio import gr + +from fadingui.logger import get_logger +log = get_logger("multipath_fading") + +class multipath_fading(gr.sync_block): + """ + docstring for block multipath_fading + """ + def __init__(self, amplitudes=[], delays=[], los=True): # only default arguments here + """arguments to this function show up as parameters in GRC""" + gr.sync_block.__init__( + self, + name='Embedded Python Block', # will show up in GRC + in_sig=[np.complex64], + out_sig=[np.complex64] + ) + # if an attribute with the same name as a parameter is found, + # a callback is registered (properties work, too). + self.amplitudes = amplitudes + self.delays = delays + self.temp = [0] + # if los: + # self.amplitudes.append(1) + # self.delays.append(0) + self.los= 1 + #self.fir = + + def work(self, input_items, output_items): + """example: multiply with constant""" + inp = input_items[0] + oup = output_items[0] + + if len(self.amplitudes) != len(self.delays): + raise Exception("Amplitudes and Delay length dont match") + + # raise Exception("Delay length can't be one") + #if np.min(self.delays)<=1: + # raise Exception("Delay length can't be one") + max_len = np.max(self.delays) + sum_x = np.zeros(max_len) + for(a,d) in zip(self.amplitudes,self.delays): + # if d-1 <= 0: + # x = np.concatenate([[a], np.zeros(max_len-1)]) + # else: + x = np.concatenate([np.zeros(d-1), [a], np.zeros(max_len-d)]) + sum_x += x + + sum_x[0] = self.los + log.debug(sum_x) + + #H_int = fft(sum_x) + + #h = ifft(H_int) + + #h[0]=1 + + y = np.convolve(inp, sum_x) + + y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))]) + + + oup[:] = y[:len(inp)] + self.temp = y[len(inp):] + + + return len(oup)
\ No newline at end of file diff --git a/src/gr-fadingui/python/qa_multipath_fading.py b/src/gr-fadingui/python/qa_multipath_fading.py new file mode 100755 index 0000000..6a27cc6 --- /dev/null +++ b/src/gr-fadingui/python/qa_multipath_fading.py @@ -0,0 +1,41 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# +# Copyright 2021 Sara Cinzia Halter. +# +# This is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# This software is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this software; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +from gnuradio import gr, gr_unittest +from gnuradio import blocks +from multipath_fading import multipath_fading + +class qa_multipath_fading(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_001_t(self): + # set up fg + self.tb.run() + # check data + + +if __name__ == '__main__': + gr_unittest.run(qa_multipath_fading) |