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add in allocate_REs_in_RB the TM7 case

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This commit is contained in:
Xiwen JIANG
2016-11-22 14:57:11 +01:00
parent 60a1f34a5a
commit eab744f6f9
1 changed files with 115 additions and 1 deletions
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openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
+115 -1
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@@ -619,10 +619,21 @@ int allocate_REs_in_RB(PHY_VARS_eNB* phy_vars_eNB,
int32_t tmp_sample1,tmp_sample2;
int16_t tmp_amp=amp;
int s=1;
int mprime2 = mprime,ind,ind_dword,ind_qpsk_symb;
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15)>>15);
// if (mimo_mode == LARGE_CDD) gain_lin_QPSK>>=1;
int32_t qpsk[4];
((int16_t *)&qpsk[0])[0] = gain_lin_QPSK;
((int16_t *)&qpsk[0])[1] = gain_lin_QPSK;
((int16_t *)&qpsk[1])[0] = -gain_lin_QPSK;
((int16_t *)&qpsk[1])[1] = gain_lin_QPSK;;
((int16_t *)&qpsk[2])[0] = gain_lin_QPSK;;
((int16_t *)&qpsk[2])[1] = -gain_lin_QPSK;;
((int16_t *)&qpsk[3])[0] = -gain_lin_QPSK;;
((int16_t *)&qpsk[3])[1] = -gain_lin_QPSK;
if (dlsch1_harq) {
x1 = dlsch1_harq->e;
// Fill these in later for TM8-10
@@ -1285,8 +1296,111 @@ x0[1+*jj]);
*re_allocated = *re_allocated + 1;
}
}
if (mimo_mode == TM7) {
*re_allocated = *re_allocated + 1;
if (mimo_mode >= TM8) { //TM8,TM9,TM10
if (is_not_UEspecRS(lprime,re,frame_parms->Nid_cell%3,frame_parms->Ncp,7)) {
switch (mod_order0){
case 2: //QPSK
((int16_t*)&txdataF[5][tti_offset])[0] = (x0[*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj = *jj + 1;
((int16_t*)&txdataF[5][tti_offset])[1] = (x0[*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj = *jj + 1;
//printf("%d(%d) : %d,%d =>
//",tti_offset,*jj,((int16_t*)&tmp_sample1)[0],((int16_t*)&tmp_sample1)[1]);
break;
case 4: //16QAM
qam16_table_offset_re = 0;
qam16_table_offset_im = 0;
if (x0[*jj] == 1)
qam16_table_offset_re+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam16_table_offset_im+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam16_table_offset_re+=1;
*jj=*jj+1;
if (x0[*jj] == 1)
qam16_table_offset_im+=1;
*jj=*jj+1;
((int16_t*)&txdataF[5][tti_offset])[0] = (int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t*)&txdataF[5][tti_offset])[1] = (int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
break;
case 6: //64QAM
qam64_table_offset_re = 0;
qam64_table_offset_im = 0;
if (x0[*jj] == 1)
qam64_table_offset_re+=4;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_im+=4;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_re+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_im+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_re+=1;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_im+=1;
*jj=*jj+1;
((int16_t*)&txdataF[5][tti_offset])[0] = (int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t*)&txdataF[5][tti_offset])[1] = (int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
break;
}
} else {
//precoding UE spec RS
//printf("precoding UE spec RS\n");
ind = 3*lprime*dlsch0_harq->nb_rb+mprime2;
ind_dword = ind>>4;
ind_qpsk_symb = ind&0xf;
txdataF[5][tti_offset] = qpsk[(phy_vars_eNB->lte_gold_uespec_port5_table[0][Ns][ind_dword]>>(2*ind_qpsk_symb))&3];
mprime2++;
}
} else if (mimo_mode >= TM8) { //TM8,TM9,TM10
//uint8_t is_not_UEspecRS(int8_t lprime, uint8_t re, uint8_t nushift, uint8_t Ncp, uint8_t beamforming_mode)
if (is_not_UEspecRS(lprime,re,frame_parms->nushift,frame_parms->Ncp,8)) {