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Diffstat (limited to 'gr-fec/grc/variable_ldpc_encoder_G.block.yml')
-rw-r--r-- | gr-fec/grc/variable_ldpc_encoder_G.block.yml | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gr-fec/grc/variable_ldpc_encoder_G.block.yml b/gr-fec/grc/variable_ldpc_encoder_G.block.yml new file mode 100644 index 0000000000..f35f473705 --- /dev/null +++ b/gr-fec/grc/variable_ldpc_encoder_G.block.yml @@ -0,0 +1,42 @@ +id: variable_ldpc_encoder_G_def +label: LDPC Encoder Definition (via Generator) + +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: G + label: LDPC Generator Matrix + dtype: raw +value: ${ value } + +templates: + imports: from gnuradio import fec + var_make: "\n% if int(ndim)==0 #:\nself.${id} = ${id} = fec.ldpc_gen_mtrx_encoder_make(${G})\n\ + % elif int(ndim)==1 #:\nself.${id} = ${id} = map((lambda a: fec.ldpc_gen_mtrx_encoder_make(${G})),\ + \ range(0,${dim1})) \n% else:\nself.${id} = ${id} = map((lambda b: map((lambda\ + \ a: fec.ldpc_gen_mtrx_encoder_make(${G})), range(0,${dim2}))), range(0,${dim1}))\ + \ \n% endif" + +documentation: |- + Given a generator matrix in systematic form, G = [I|P], where I is the identity matrix and P is the parity submatrix, the information word s is encoded into a codeword x via: + + x = G'*s + +file_format: 1 |