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addition of TX portion of pucch2a/b

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This commit is contained in:
Raymond Knopp
2017-02-13 15:27:53 +01:00
committed by hbilel
parent b2b1dc9f18
commit cd6ac4529d
1 changed files with 43 additions and 27 deletions
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openair1/PHY/LTE_TRANSPORT/pucch.c
+43 -27
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@@ -523,29 +523,8 @@ void generate_pucch2x(int32_t **txdataF,
pucch2x_modulation(btilde,d,amp);
// add extra symbol for 2a/2b
d[20]=0;
d[21]=0;
if (fmt==pucch_format2a)
d[20] = (B2 == 0) ? amp : -amp;
else if (fmt==pucch_format2b) {
switch (B2) {
case 0:
d[20] = amp;
break;
case 1:
d[21] = -amp;
break;
case 2:
d[21] = amp;
break;
case 3:
d[20] = -amp;
break;
default:
AssertFatal(1==0,"Illegal modulation symbol %d for PUCCH %s\n",B2,pucch_format_string[fmt]);
break;
}
}
#ifdef DEBUG_PUCCH_TX
@@ -584,10 +563,47 @@ void generate_pucch2x(int32_t **txdataF,
//LOG_I(PHY,"slot %d ofdm# %d ==> d[%d,%d] \n",ns,l,data_ind,n);
}
else {
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im>>15);
//LOG_I(PHY,"slot %d ofdm# %d ==> dmrs[%d] \n",ns,l,n);
}
if (l==1){
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im>>15);
}
else if (fmt==pucch_format2a) {
d[20]=amp;
d[21]=amp;
if (B2 == 0) {
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im>>15);
}
else {
((int16_t *)&zptr[n])[0] = -((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = -((int32_t)amp*ref_im>>15);
}
//LOG_I(PHY,"slot %d ofdm# %d ==> dmrs[%d] \n",ns,l,n);
}
else if (fmt==pucch_format2b) {
switch (B2) {
case 0: // 1
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im>>15);
break;
case 1: // -j
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[0] = -((int32_t)amp*ref_im>>15);
break;
case 2: // -1
((int16_t *)&zptr[n])[0] = -((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = -((int32_t)amp*ref_im>>15);
break;
case 3: // j
((int16_t *)&zptr[n])[1] = -((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_im>>15);
break;
default:
AssertFatal(1==0,"Illegal modulation symbol %d for PUCCH %s\n",B2,pucch_format_string[fmt]);
break;
}
}// fmt==pucch_format2b
}// l==1 || l==5
alpha_ind = (alpha_ind + n_cs)%12;
} // n
zptr+=12;