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srsLTE
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Demodulator sets LLR to zero for 0.0 symbols

This commit is contained in:
Xavier Arteaga 2021-04-09 18:18:26 +02:00 committed by Andre Puschmann
parent 3889f1369f
commit 1a6e5cdee5
1 changed files with 10 additions and 0 deletions
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10
lib/src/phy/modem/demod_soft.c
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@ -928,5 +928,15 @@ int srsran_demod_soft_demodulate_b(srsran_mod_t modulation, const cf_t* symbols,
ERROR("Invalid modulation %d", modulation);
return -1;
}
uint32_t nof_bits_x_symbol = srsran_mod_bits_x_symbol(modulation);
for (uint32_t i = 0; i < nsymbols; i++) {
if (!isnormal(__real__ symbols[i]) || !isnormal(__imag__ symbols[i])) {
for (uint32_t j = 0; j < nof_bits_x_symbol; j++) {
llr[i * nof_bits_x_symbol + j] = 0;
}
}
}
return 0;
}