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allow up to 10% of constellation point distance

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This commit is contained in:
Ahmet Inan 2023-12-26 13:40:29 +01:00
commit 41472f6f77
1 changed files with 13 additions and 1 deletions
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14
encode.cc
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@ -86,7 +86,7 @@ struct Encoder
temp[i] /= std::sqrt(value(symbol_len/4));
cmplx err = temp[i] - fdom[i];
value mag = abs(err);
value lim = 0.1;
value lim = 0.1 * mod_distance();
if (limit && mag > lim)
temp[i] -= ((mag - lim) / mag) * err;
} else {
@ -212,6 +212,18 @@ struct Encoder
}
return 0;
}
value mod_distance()
{
switch (mod_bits) {
case 2:
return PhaseShiftKeying<4, cmplx, code_type>::DIST;
case 4:
return QuadratureAmplitudeModulation<16, cmplx, code_type>::DIST;
case 6:
return QuadratureAmplitudeModulation<64, cmplx, code_type>::DIST;
}
return 2;
}
void shuffle(code_type *c)
{
switch (code_order) {