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don't include synchronization symbols for PAPR values

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This commit is contained in:
Ahmet Inan 2025-07-08 16:27:36 +02:00
commit d73195d6a8
1 changed files with 13 additions and 11 deletions
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24
encode.cc
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@ -116,17 +116,19 @@ struct Encoder : public Common
tdom[i] = cmplx(clamp(tdom[i].real()), clamp(tdom[i].imag()));
for (int i = 0; i < guard_len; ++i)
guard[i] = DSP::lerp(guard[i], tdom[i+symbol_len-guard_len], weight[i]);
value peak = 0, mean = 0;
for (int i = 0; i < symbol_len; ++i) {
value power(norm(tdom[i]));
peak = std::max(peak, power);
mean += power;
}
mean /= symbol_len;
if (mean > 0) {
value papr(peak / mean);
papr_min = std::min(papr_min, papr);
papr_max = std::max(papr_max, papr);
if (papr_reduction) {
value peak = 0, mean = 0;
for (int i = 0; i < symbol_len; ++i) {
value power(norm(tdom[i]));
peak = std::max(peak, power);
mean += power;
}
mean /= symbol_len;
if (mean > 0) {
value papr(peak / mean);
papr_min = std::min(papr_min, papr);
papr_max = std::max(papr_max, papr);
}
}
if (guard_interval)
pcm->write(reinterpret_cast<value *>(guard), guard_len, 2);