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| author | Andrej Rode <mail@andrejro.de> | 2018-06-23 23:41:42 +0200 |
|---|---|---|
| committer | Andrej Rode <mail@andrejro.de> | 2018-06-24 00:03:35 +0200 |
| commit | 167a6152bad060fc53dd29e0fa79ef83eff1be5b (patch) | |
| tree | a01049672d9d7d1bf3d295ed96698a323941f8e8 /gr-fec/grc/variable_ldpc_encoder_H.block.yml | |
| parent | 3c8e6008b092287246234001db7cf1a4038300da (diff) | |
| parent | fcd002b6ac82e1e0c1224e24506410ff0833e1aa (diff) | |
Merge branch 'python3_fix' into next
Manual merge conflict resolution has been applied to following
conflicts:
* Typos:
* gnuradio-runtime/python/gnuradio/ctrlport/GrDataPlotter.py
* gr-blocks/python/blocks/qa_wavfile.py
* gr-filter/examples/gr_filtdes_api.py
* grc/blocks/parameter.xml
* gr-uhd/python/uhd/__init__.py
* ValueError -> RuntimeError:
* gr-blocks/python/blocks/qa_hier_block2.py
* relative Imports & other Py3k:
* gr-digital/python/digital/psk_constellations.py
* gr-digital/python/digital/qam_constellations.py
* gr-digital/python/digital/test_soft_decisions.py
* gr-digital/python/digital/gfsk.py
* SequenceCompleter:
* gr-utils/python/modtool/modtool_add.py
* gr-utils/python/modtool/modtool_rename.py
* gr-utils/python/modtool/modtool_rm.py
* Updated API on next:
* gr-blocks/grc/blocks_file_source.xml
* gr-blocks/python/blocks/qa_file_source_sink.py
* gr-qtgui/grc/qtgui_time_sink_x.xml
* GRC Py3k Updates:
* grc/core/Block.py
* grc/core/Constants.py
* grc/core/Platform.py
* grc/core/utils/odict.py
* grc/gui/Actions.py
* grc/gui/Block.py
* grc/gui/Executor.py
* grc/gui/Port.py
Diffstat (limited to 'gr-fec/grc/variable_ldpc_encoder_H.block.yml')
| -rw-r--r-- | gr-fec/grc/variable_ldpc_encoder_H.block.yml | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gr-fec/grc/variable_ldpc_encoder_H.block.yml b/gr-fec/grc/variable_ldpc_encoder_H.block.yml new file mode 100644 index 0000000000..3fba6c7dbf --- /dev/null +++ b/gr-fec/grc/variable_ldpc_encoder_H.block.yml @@ -0,0 +1,42 @@ +id: variable_ldpc_encoder_H_def +label: LDPC Encoder Definition (via Parity Check) + +parameters: +- id: value + label: Ignore Me + dtype: raw + default: '"ok"' + hide: all +- id: ndim + label: Parallelism + dtype: enum + options: ['0', '1', '2'] +- id: dim1 + label: Dimension 1 + dtype: int + default: '1' + hide: ${ ('none' if (int(ndim) >= 1) else 'all') } +- id: dim2 + label: Dimension 2 + dtype: int + default: '1' + hide: ${ ('none' if (int(ndim) >= 2) else 'all') } +- id: H + label: Parity Check Matrix + dtype: raw +value: ${ value } + +templates: + imports: from gnuradio import fec + var_make: "\n% if int(ndim)==0 #:\nself.${id} = ${id} = fec.ldpc_par_mtrx_encoder_make_H(${H})\n\ + % elif int(ndim)==1 #:\nself.${id} = ${id} = map((lambda a: fec.ldpc_par_mtrx_encoder_make_H(${H})),\ + \ range(0,${dim1})) \n% else:\nself.${id} = ${id} = map((lambda b: map((lambda\ + \ a: fec.ldpc_par_mtrx_encoder_make_H(${H})), range(0,${dim2}))), range(0,${dim1}))\ + \ \n% endif" + +documentation: |- + This block creates a LDPC Encoder Definition variable. + + This encoder performs a reduced complexity algorithm described by Richardson and Urbanke in Appendix A of their book: Modern Coding Theory. Compared to the block "LDPC Encoder Definition (via Generator)," this encoder requires orders of magnitude fewer operations to create each codeword. This is accomplished by completing a significant amount of the complex matrix manipulation (including inverse, multiplication, and Gaussian elimination operations) during preprocessing. The disadvantage of this encoder is that it requires a specially formatted matrix. However, GNU Radio includes python scripts to format a standard parity check matrix appropriately for this encoder, as well as a small library of encoding-ready matrices for use. + +file_format: 1 |