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Intermediate commit. Adding HARQ support for SIC receiver. Changes in dci_tools.c to map TB to CW in a proper way.

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Enable different options for TB1 retransmissions. Needs further improvements.
This commit is contained in:
Elena_Lukashova
2016-11-09 00:55:57 +01:00
parent 64116b90e1
commit 630e39aea3
5 changed files with 1935 additions and 1602 deletions
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openair1/PHY/LTE_TRANSPORT/dci_tools.c
+514 -362
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File diff suppressed because it is too large Load Diff
openair1/PHY/LTE_TRANSPORT/defs.h
Regular → Executable
+5 -1
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@@ -94,7 +94,7 @@
#define PMI_2A_1j 2 #define PMI_2A_1j 2
#define PMI_2A_1mj 3 #define PMI_2A_1mj 3
//2 layers //2 layers
#define PMI_2A_R1_10 0 #define PMI_2A_R1_10 0
#define PMI_2A_R1_11 1 #define PMI_2A_R1_11 1
#define PMI_2A_R1_1j 2 #define PMI_2A_R1_1j 2
@@ -172,6 +172,8 @@ typedef struct {
uint8_t Nlayers; uint8_t Nlayers;
/// First layer for this PSCH transmission /// First layer for this PSCH transmission
uint8_t first_layer; uint8_t first_layer;
/// codeword this transport block is mapped to
uint8_t codeword;
} LTE_DL_eNB_HARQ_t; } LTE_DL_eNB_HARQ_t;
typedef struct { typedef struct {
@@ -575,6 +577,8 @@ typedef struct {
uint32_t trials[8]; uint32_t trials[8];
/// error statistics per round /// error statistics per round
uint32_t errors[8]; uint32_t errors[8];
/// codeword this transport block is mapped to
uint8_t codeword;
} LTE_DL_UE_HARQ_t; } LTE_DL_UE_HARQ_t;
typedef struct { typedef struct {
openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
+550 -546
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File diff suppressed because it is too large Load Diff
openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
+186 -112
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@@ -155,13 +155,13 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
{ {
uint8_t *x0 = dlsch0_harq->e; uint8_t *x0 = NULL; //dlsch0_harq->e;
MIMO_mode_t mimo_mode = dlsch0_harq->mimo_mode; MIMO_mode_t mimo_mode = dlsch0_harq->mimo_mode;
int first_layer0 = dlsch0_harq->first_layer; int first_layer0; //= dlsch0_harq->first_layer;
int Nlayers0 = dlsch0_harq->Nlayers; int Nlayers0; // = dlsch0_harq->Nlayers;
uint8_t mod_order0 = get_Qm(dlsch0_harq->mcs); uint8_t mod_order0; // = get_Qm(dlsch0_harq->mcs);
uint8_t mod_order1=2; uint8_t mod_order1; //=2;
uint8_t precoder_index0,precoder_index1; uint8_t precoder_index0,precoder_index1;
uint8_t *x1=NULL; uint8_t *x1=NULL;
@@ -199,15 +199,40 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15)>>15); gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15)>>15);
// if (mimo_mode == LARGE_CDD) gain_lin_QPSK>>=1; // if (mimo_mode == LARGE_CDD) gain_lin_QPSK>>=1;
if (dlsch1_harq) {
if ((dlsch0_harq != NULL) && (dlsch1_harq != NULL)) { //this is for TM3, TM4
x0 = dlsch0_harq->e;
mimo_mode = dlsch0_harq->mimo_mode;
first_layer0 = dlsch0_harq->first_layer;
Nlayers0 = dlsch0_harq->Nlayers;
mod_order0 = get_Qm(dlsch0_harq->mcs);
x1 = dlsch1_harq->e; x1 = dlsch1_harq->e;
// Fill these in later for TM8-10 // Fill these in later for TM8-10
// Nlayers1 = dlsch1_harq->Nlayers; // Nlayers1 = dlsch1_harq->Nlayers;
// first_layer1 = dlsch1_harq->first_layer; // first_layer1 = dlsch1_harq->first_layer;
mod_order1 = get_Qm(dlsch1_harq->mcs); mod_order1 = get_Qm(dlsch1_harq->mcs);
} else if ((dlsch0_harq != NULL) && (dlsch1_harq == NULL)){ //This is for SIS0 TM1, TM6, etc
x0 = dlsch0_harq->e;
mimo_mode = dlsch0_harq->mimo_mode;
first_layer0 = dlsch0_harq->first_layer;
Nlayers0 = dlsch0_harq->Nlayers;
mod_order0 = get_Qm(dlsch0_harq->mcs);
} else if ((dlsch0_harq == NULL) && (dlsch1_harq != NULL)){ // This is for TM4 retransmission
x0 = dlsch1_harq->e;
mimo_mode = dlsch1_harq->mimo_mode;
first_layer0 = dlsch1_harq->first_layer;
Nlayers0 = dlsch1_harq->Nlayers;
mod_order0 = get_Qm(dlsch1_harq->mcs);
} }
/* /*
switch (mod_order) { switch (mod_order) {
case 2: case 2:
@@ -229,9 +254,16 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
*/ */
#ifdef DEBUG_DLSCH_MODULATION if (dlsch0_harq != NULL){
printf("allocate_re (mod %d): symbol_offset %d re_offset %d (%d,%d), jj %d -> %d,%d\n",mod_order0,symbol_offset,re_offset,skip_dc,skip_half,*jj, x0[*jj], x0[1+*jj]); #ifdef DEBUG_DLSCH_MODULATION
#endif printf("allocate_re (mod %d): symbol_offset %d re_offset %d (%d,%d), jj %d -> %d,%d\n",mod_order0,symbol_offset,re_offset,skip_dc,skip_half,*jj, x0[*jj], x0[1+*jj]);
#endif
} else{
#ifdef DEBUG_DLSCH_MODULATION
printf("allocate_re (mod %d): symbol_offset %d re_offset %d (%d,%d), jj %d -> %d,%d\n",mod_order0,symbol_offset,re_offset,skip_dc,skip_half,*jj, x0[*jj], x0[1+*jj]);
#endif
}
first_re=0; first_re=0;
last_re=12; last_re=12;
@@ -360,7 +392,7 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
else if (mimo_mode == ALAMOUTI) { else if (mimo_mode == ALAMOUTI) {
*re_allocated = *re_allocated + 1; *re_allocated = *re_allocated + 1;
amp = (int16_t)(((int32_t)tmp_amp*ONE_OVER_SQRT2_Q15)>>15); amp = (int16_t)(((int32_t)tmp_amp*ONE_OVER_SQRT2_Q15)>>15);
@@ -386,23 +418,23 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
break; break;
case 4: //16QAM case 4: //16QAM
// Antenna 0 position n // Antenna 0 position n
qam16_table_offset_re = 0; qam16_table_offset_re = 0;
qam16_table_offset_im = 0; qam16_table_offset_im = 0;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_re+=2; qam16_table_offset_re+=2;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im+=2; qam16_table_offset_im+=2;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_re+=1; qam16_table_offset_re+=1;
*jj=*jj+1; *jj=*jj+1;
@@ -412,12 +444,12 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15); ((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15); ((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
//((int16_t *)&txdataF[0][tti_offset])[0]+=(qam_table_s0[qam16_table_offset_re]*ONE_OVER_SQRT2_Q15)>>15; //((int16_t *)&txdataF[0][tti_offset])[0]+=(qam_table_s0[qam16_table_offset_re]*ONE_OVER_SQRT2_Q15)>>15;
//((int16_t *)&txdataF[0][tti_offset])[1]+=(qam_table_s0[qam16_table_offset_im]*ONE_OVER_SQRT2_Q15)>>15; //((int16_t *)&txdataF[0][tti_offset])[1]+=(qam_table_s0[qam16_table_offset_im]*ONE_OVER_SQRT2_Q15)>>15;
// Antenna 1 position n Real part -> -x1* // Antenna 1 position n Real part -> -x1*
qam16_table_offset_re = 0; qam16_table_offset_re = 0;
qam16_table_offset_im = 0; qam16_table_offset_im = 0;
@@ -427,8 +459,8 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im+=2; qam16_table_offset_im+=2;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_re+=1; qam16_table_offset_re+=1;
*jj=*jj+1; *jj=*jj+1;
@@ -439,13 +471,13 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15); ((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15); ((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
//((int16_t *)&txdataF[1][tti_offset])[0]+=-qam_table_s0[qam16_table_offset_re]; //((int16_t *)&txdataF[1][tti_offset])[0]+=-qam_table_s0[qam16_table_offset_re];
//((int16_t *)&txdataF[1][tti_offset])[1]+=qam_table_s0[qam16_table_offset_im]; //((int16_t *)&txdataF[1][tti_offset])[1]+=qam_table_s0[qam16_table_offset_im];
break; break;
case 6: // 64-QAM case 6: // 64-QAM
// Antenna 0 // Antenna 0
qam64_table_offset_re = 0; qam64_table_offset_re = 0;
qam64_table_offset_im = 0; qam64_table_offset_im = 0;
@@ -468,11 +500,11 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam64_table_offset_im+=1; qam64_table_offset_im+=1;
*jj=*jj+1; *jj=*jj+1;
//((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15); //((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
//((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15); //((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0]+=(qam_table_s0[qam64_table_offset_re]*ONE_OVER_SQRT2_Q15)>>15; ((int16_t *)&txdataF[0][tti_offset])[0]+=(qam_table_s0[qam64_table_offset_re]*ONE_OVER_SQRT2_Q15)>>15;
((int16_t *)&txdataF[0][tti_offset])[1]+=(qam_table_s0[qam64_table_offset_im]*ONE_OVER_SQRT2_Q15)>>15; ((int16_t *)&txdataF[0][tti_offset])[1]+=(qam_table_s0[qam64_table_offset_im]*ONE_OVER_SQRT2_Q15)>>15;
// Antenna 1 => -x1* // Antenna 1 => -x1*
qam64_table_offset_re = 0; qam64_table_offset_re = 0;
@@ -498,12 +530,12 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
//((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15); //((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
//((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15); //((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
((int16_t *)&txdataF[1][tti_offset])[0]+=-qam_table_s0[qam64_table_offset_re]; ((int16_t *)&txdataF[1][tti_offset])[0]+=-qam_table_s0[qam64_table_offset_re];
((int16_t *)&txdataF[1][tti_offset])[1]+=qam_table_s0[qam64_table_offset_im]; ((int16_t *)&txdataF[1][tti_offset])[1]+=qam_table_s0[qam64_table_offset_im];
break; break;
} }
// fill in the rest of the ALAMOUTI precoding // fill in the rest of the ALAMOUTI precoding
if (is_not_pilot(pilots,re + 1,frame_parms->nushift,use2ndpilots)==1) { if (is_not_pilot(pilots,re + 1,frame_parms->nushift,use2ndpilots)==1) {
((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1 ((int16_t *)&txdataF[0][tti_offset+1])[0] += -((int16_t *)&txdataF[1][tti_offset])[0]; //x1
((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1]; ((int16_t *)&txdataF[0][tti_offset+1])[1] += ((int16_t *)&txdataF[1][tti_offset])[1];
@@ -537,9 +569,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
*jj = *jj + 1; *jj = *jj + 1;
//printf("%d,%d\n",((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]); //printf("%d,%d\n",((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]);
break; break;
case 4: //16QAM case 4: //16QAM
qam16_table_offset_re0 = 0; qam16_table_offset_re0 = 0;
qam16_table_offset_im0 = 0; qam16_table_offset_im0 = 0;
if (x0[*jj] == 1) if (x0[*jj] == 1)
@@ -548,25 +580,25 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im0+=2; qam16_table_offset_im0+=2;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_re0+=1; qam16_table_offset_re0+=1;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im0+=1; qam16_table_offset_im0+=1;
*jj=*jj+1; *jj=*jj+1;
xx0_re = qam_table_s0[qam16_table_offset_re0]; xx0_re = qam_table_s0[qam16_table_offset_re0];
xx0_im = qam_table_s0[qam16_table_offset_im0]; xx0_im = qam_table_s0[qam16_table_offset_im0];
break; break;
case 6: //64QAM case 6: //64QAM
qam64_table_offset_re0 = 0; qam64_table_offset_re0 = 0;
qam64_table_offset_im0 = 0; qam64_table_offset_im0 = 0;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam64_table_offset_re0+=4; qam64_table_offset_re0+=4;
*jj=*jj+1; *jj=*jj+1;
@@ -590,7 +622,7 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
xx0_im = qam_table_s0[qam64_table_offset_im0]; xx0_im = qam_table_s0[qam64_table_offset_im0];
break; break;
} }
switch (mod_order1) { switch (mod_order1) {
@@ -602,15 +634,15 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
case 2: //QPSK case 2: //QPSK
//printf("%d(%d) : %d,%d => ",tti_offset,*jj,((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]); //printf("%d(%d) : %d,%d => ",tti_offset,*jj,((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]);
xx1_re = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; xx1_re = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj2 = *jj2 + 1; *jj2 = *jj2 + 1;
xx1_im = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; xx1_im = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj2 = *jj2 + 1; *jj2 = *jj2 + 1;
//printf("%d,%d\n",((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]); //printf("%d,%d\n",((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]);
break; break;
case 4: //16QAM case 4: //16QAM
qam16_table_offset_re1 = 0; qam16_table_offset_re1 = 0;
qam16_table_offset_im1 = 0; qam16_table_offset_im1 = 0;
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
@@ -630,12 +662,12 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
xx1_im = qam_table_s1[qam16_table_offset_im1]; xx1_im = qam_table_s1[qam16_table_offset_im1];
break; break;
case 6: //64QAM case 6: //64QAM
qam64_table_offset_re1 = 0; qam64_table_offset_re1 = 0;
qam64_table_offset_im1 = 0; qam64_table_offset_im1 = 0;
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
qam64_table_offset_re1+=4; qam64_table_offset_re1+=4;
*jj2 = *jj2 + 1; *jj2 = *jj2 + 1;
@@ -659,14 +691,14 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
xx1_im = qam_table_s1[qam64_table_offset_im1]; xx1_im = qam_table_s1[qam64_table_offset_im1];
break; break;
} }
// This implements the Large CDD precoding for 2 TX antennas // This implements the Large CDD precoding for 2 TX antennas
// - - - - - - - - - - - - // - - - - - - - - - - - -
//| y0 | | 1 0 || 1 0 || 1 1 || x0 | | x0 + x1 | //| y0 | | 1 0 || 1 0 || 1 1 || x0 | | x0 + x1 |
//| y1 | = .5 | 0 1 || 0 (-1)^i || 1 -1 || x1 | = .5| (-1)^i(x0 - x1)| //| y1 | = .5 | 0 1 || 0 (-1)^i || 1 -1 || x1 | = .5| (-1)^i(x0 - x1)|
// - - - - - - - - - - - // - - - - - - - - - - -
// Note: Factor .5 is accounted for in amplitude when calling this function // Note: Factor .5 is accounted for in amplitude when calling this function
((int16_t *)&txdataF[0][tti_offset])[0]+=((xx0_re+xx1_re)>>1); ((int16_t *)&txdataF[0][tti_offset])[0]+=((xx0_re+xx1_re)>>1);
((int16_t *)&txdataF[1][tti_offset])[0]+=(s*((xx0_re-xx1_re)>>1)); ((int16_t *)&txdataF[1][tti_offset])[0]+=(s*((xx0_re-xx1_re)>>1));
@@ -681,9 +713,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
s = -s; s = -s;
} }
} }
else if ((mimo_mode >= UNIFORM_PRECODING11)&&(mimo_mode <= PUSCH_PRECODING1)) { else if ((mimo_mode >= UNIFORM_PRECODING11)&&(mimo_mode <= PUSCH_PRECODING1)) {
// this is for transmission modes 5-6 (1 layer) // this is for transmission modes 5-6 (1 layer)
*re_allocated = *re_allocated + 1; *re_allocated = *re_allocated + 1;
amp = (int16_t)(((int32_t)tmp_amp*ONE_OVER_SQRT2_Q15)>>15); amp = (int16_t)(((int32_t)tmp_amp*ONE_OVER_SQRT2_Q15)>>15);
switch (mod_order0) { switch (mod_order0) {
@@ -705,9 +737,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
break; break;
case 4: case 4:
qam16_table_offset_re = 0; qam16_table_offset_re = 0;
qam16_table_offset_im = 0; qam16_table_offset_im = 0;
@@ -717,22 +749,22 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im+=2; qam16_table_offset_im+=2;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_re+=1; qam16_table_offset_re+=1;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im+=1; qam16_table_offset_im+=1;
*jj=*jj+1; *jj=*jj+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam16_table_offset_re])); ((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam16_table_offset_re]));
((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam16_table_offset_im])); ((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam16_table_offset_im]));
((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
@@ -740,7 +772,7 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
break; break;
case 6: case 6:
qam64_table_offset_re = 0; qam64_table_offset_re = 0;
@@ -763,25 +795,25 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam64_table_offset_im+=1; qam64_table_offset_im+=1;
*jj=*jj+1; *jj=*jj+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam64_table_offset_re])); ((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam64_table_offset_re]));
((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam64_table_offset_im])); ((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam64_table_offset_im]));
((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_SQRT2_Q15)>>15);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_SQRT2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_SQRT2_Q15)>>15);
} }
break; break;
} }
} }
else if ((mimo_mode >= DUALSTREAM_UNIFORM_PRECODING1)&&(mimo_mode <= DUALSTREAM_PUSCH_PRECODING)) { else if ((mimo_mode >= DUALSTREAM_UNIFORM_PRECODING1)&&(mimo_mode <= DUALSTREAM_PUSCH_PRECODING)) {
// this is for transmission mode 4 (1 layer) // this is for transmission mode 4 (1 layer)
*re_allocated = *re_allocated + 1; *re_allocated = *re_allocated + 1;
if (precoder_index==0) { if (precoder_index==0) {
precoder_index0 = 0; //[1 1] precoder_index0 = 0; //[1 1]
@@ -809,7 +841,7 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15);
//printf("%d,%d\n",((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]); //printf("%d,%d\n",((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15);
@@ -817,9 +849,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
break; break;
case 4: case 4:
qam16_table_offset_re = 0; qam16_table_offset_re = 0;
qam16_table_offset_im = 0; qam16_table_offset_im = 0;
@@ -829,19 +861,19 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im+=2; qam16_table_offset_im+=2;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_re+=1; qam16_table_offset_re+=1;
*jj=*jj+1; *jj=*jj+1;
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam16_table_offset_im+=1; qam16_table_offset_im+=1;
*jj=*jj+1; *jj=*jj+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam16_table_offset_re])); ((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam16_table_offset_re]));
((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam16_table_offset_im])); ((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam16_table_offset_im]));
((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15);
((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15);
@@ -849,9 +881,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
break; break;
case 6: case 6:
qam64_table_offset_re = 0; qam64_table_offset_re = 0;
qam64_table_offset_im = 0; qam64_table_offset_im = 0;
@@ -873,25 +905,25 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x0[*jj] == 1) if (x0[*jj] == 1)
qam64_table_offset_im+=1; qam64_table_offset_im+=1;
*jj=*jj+1; *jj=*jj+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam64_table_offset_re])); ((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s0[qam64_table_offset_re]));
((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam64_table_offset_im])); ((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s0[qam64_table_offset_im]));
((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15);
((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_2_Q15)>>15);
} }
break; break;
} }
if (dlsch1_harq) { if (dlsch1_harq) {
switch (mod_order1) { switch (mod_order1) {
case 2: case 2:
((int16_t*)&tmp_sample1)[0] = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; ((int16_t*)&tmp_sample1)[0] = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
@@ -910,9 +942,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
break; break;
case 4: case 4:
qam16_table_offset_re = 0; qam16_table_offset_re = 0;
qam16_table_offset_im = 0; qam16_table_offset_im = 0;
@@ -922,20 +954,20 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
qam16_table_offset_im+=2; qam16_table_offset_im+=2;
*jj2=*jj2+1; *jj2=*jj2+1;
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
qam16_table_offset_re+=1; qam16_table_offset_re+=1;
*jj2=*jj2+1; *jj2=*jj2+1;
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
qam16_table_offset_im+=1; qam16_table_offset_im+=1;
*jj2=*jj2+1; *jj2=*jj2+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s1[qam16_table_offset_re])); ((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s1[qam16_table_offset_re]));
((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s1[qam16_table_offset_im])); ((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s1[qam16_table_offset_im]));
((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15);
((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15);
@@ -943,9 +975,9 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
} }
break; break;
case 6: case 6:
qam64_table_offset_re = 0; qam64_table_offset_re = 0;
qam64_table_offset_im = 0; qam64_table_offset_im = 0;
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
@@ -966,20 +998,20 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
if (x1[*jj2] == 1) if (x1[*jj2] == 1)
qam64_table_offset_im+=1; qam64_table_offset_im+=1;
*jj2=*jj2+1; *jj2=*jj2+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s1[qam64_table_offset_re])); ((int16_t*)&tmp_sample1)[0] = (int16_t)((qam_table_s1[qam64_table_offset_re]));
((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s1[qam64_table_offset_im])); ((int16_t*)&tmp_sample1)[1] = (int16_t)((qam_table_s1[qam64_table_offset_im]));
((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample1)[0]*ONE_OVER_2_Q15)>>15);
((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15); ((int16_t *)&txdataF[0][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample1)[1]*ONE_OVER_2_Q15)>>15);
if (frame_parms->nb_antennas_tx == 2) { if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1); layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1);
((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[0] += (int16_t)((((int16_t*)&tmp_sample2)[0]*ONE_OVER_2_Q15)>>15);
((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_2_Q15)>>15); ((int16_t*)&txdataF[1][tti_offset])[1] += (int16_t)((((int16_t*)&tmp_sample2)[1]*ONE_OVER_2_Q15)>>15);
} }
break; break;
} }
} }
} }
@@ -1097,7 +1129,6 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
return(0); return(0);
} }
int allocate_REs_in_RB_MCH(int32_t **txdataF, int allocate_REs_in_RB_MCH(int32_t **txdataF,
uint32_t *jj, uint32_t *jj,
uint16_t re_offset, uint16_t re_offset,
@@ -1305,32 +1336,75 @@ int dlsch_modulation(int32_t **txdataF,
{ {
uint8_t nsymb; uint8_t nsymb;
uint8_t harq_pid = dlsch0->current_harq_pid; uint8_t harq_pid; //= dlsch0->current_harq_pid;
LTE_DL_eNB_HARQ_t *dlsch0_harq = dlsch0->harq_processes[harq_pid]; LTE_DL_eNB_HARQ_t *dlsch0_harq;
LTE_DL_eNB_HARQ_t *dlsch1_harq; //= dlsch1->harq_processes[harq_pid]; LTE_DL_eNB_HARQ_t *dlsch1_harq; //= dlsch1->harq_processes[harq_pid];
uint32_t i,jj,jj2,re_allocated,symbol_offset; uint32_t i,jj,jj2,re_allocated,symbol_offset;
uint16_t l,rb,re_offset; uint16_t l,rb,re_offset;
uint32_t rb_alloc_ind; uint32_t rb_alloc_ind;
uint32_t *rb_alloc = dlsch0_harq->rb_alloc; uint32_t *rb_alloc; //=dlsch0_harq->rb_alloc;
uint8_t pilots=0; uint8_t pilots=0;
uint8_t skip_dc,skip_half; uint8_t skip_dc,skip_half;
uint8_t mod_order0 = get_Qm(dlsch0_harq->mcs); uint8_t mod_order0 = 0;
uint8_t mod_order1 = 0; uint8_t mod_order1 = 0;
int16_t amp_rho_a, amp_rho_b; int16_t amp_rho_a, amp_rho_b;
int16_t qam16_table_a0[4],qam64_table_a0[8],qam16_table_b0[4],qam64_table_b0[8]; int16_t qam16_table_a0[4],qam64_table_a0[8],qam16_table_b0[4],qam64_table_b0[8];
int16_t qam16_table_a1[4],qam64_table_a1[8],qam16_table_b1[4],qam64_table_b1[8]; int16_t qam16_table_a1[4],qam64_table_a1[8],qam16_table_b1[4],qam64_table_b1[8];
int16_t *qam_table_s0,*qam_table_s1; int16_t *qam_table_s0,*qam_table_s1;
uint8_t get_pmi_temp;
#ifdef DEBUG_DLSCH_MODULATION #ifdef DEBUG_DLSCH_MODULATION
uint8_t Nl0 = dlsch0_harq->Nl; uint8_t Nl0; //= dlsch0_harq->Nl;
uint8_t Nl1; uint8_t Nl1;
#endif #endif
if (dlsch1) { if ((dlsch0 != NULL) && (dlsch1 != NULL)){
harq_pid = dlsch0->current_harq_pid;
dlsch0_harq = dlsch0->harq_processes[harq_pid];
mod_order0 = get_Qm(dlsch0_harq->mcs);
rb_alloc = dlsch0_harq->rb_alloc;
#ifdef DEBUG_DLSCH_MODULATION
Nl0 = dlsch0_harq->Nl;
#endif
dlsch1_harq = dlsch1->harq_processes[harq_pid]; dlsch1_harq = dlsch1->harq_processes[harq_pid];
mod_order1 = get_Qm(dlsch1_harq->mcs); mod_order1 = get_Qm(dlsch1_harq->mcs);
#ifdef DEBUG_DLSCH_MODULATION #ifdef DEBUG_DLSCH_MODULATION
Nl1 = dlsch1_harq->Nl; Nl1 = dlsch1_harq->Nl;
#endif #endif
}else if ((dlsch0 != NULL) && (dlsch1 == NULL)){
harq_pid = dlsch0->current_harq_pid;
dlsch0_harq = dlsch0->harq_processes[harq_pid];
mod_order0 = get_Qm(dlsch0_harq->mcs);
rb_alloc = dlsch0_harq->rb_alloc;
#ifdef DEBUG_DLSCH_MODULATION
Nl0 = dlsch0_harq->Nl;
#endif
dlsch1_harq = NULL;
mod_order1 = 0;
#ifdef DEBUG_DLSCH_MODULATION
Nl1 = 0;
#endif
}else if ((dlsch0 == NULL) && (dlsch1 != NULL)){
harq_pid = dlsch1->current_harq_pid;
dlsch1_harq = dlsch1->harq_processes[harq_pid];
mod_order0 = get_Qm(dlsch1_harq->mcs);
rb_alloc = dlsch1_harq->rb_alloc;
#ifdef DEBUG_DLSCH_MODULATION
Nl0 = dlsch1_harq->Nl;
#endif
dlsch0_harq = NULL;
mod_order1 = 0;
#ifdef DEBUG_DLSCH_MODULATION
Nl1 = NULL;
#endif
} }
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_MODULATION, VCD_FUNCTION_IN); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_MODULATION, VCD_FUNCTION_IN);
@@ -1565,7 +1639,7 @@ int dlsch_modulation(int32_t **txdataF,
if (rb_alloc_ind > 0) { if (rb_alloc_ind > 0) {
// printf("Allocated rb %d/symbol %d, skip_half %d, subframe_offset %d, symbol_offset %d, re_offset %d, jj %d\n",rb,l,skip_half,subframe_offset,symbol_offset,re_offset,jj); // printf("Allocated rb %d/symbol %d, skip_half %d, subframe_offset %d, symbol_offset %d, re_offset %d, jj %d\n",rb,l,skip_half,subframe_offset,symbol_offset,re_offset,jj);
allocate_REs_in_RB(frame_parms, allocate_REs_in_RB(frame_parms,
txdataF, txdataF,
&jj, &jj,
@@ -1640,29 +1714,29 @@ int dlsch_modulation_SIC(int32_t **sic_buffer,
amp=1; //we do full scale here for SIC amp=1; //we do full scale here for SIC
gain_lin_QPSK = (int16_t)((ONE_OVER_SQRT2_Q15)); gain_lin_QPSK = (int16_t)((ONE_OVER_SQRT2_Q15));
//printf("gain=%d\n", gain_lin_QPSK); //printf("gain=%d\n", gain_lin_QPSK);
jj = 0; jj = 0;
i = 0; i = 0;
while (jj <= G-1) { while (jj <= G-1) {
re_allocated = re_allocated + 1; re_allocated = re_allocated + 1;
switch (mod_order0) { switch (mod_order0) {
case 2: //QPSK case 2: //QPSK
/* TODO: handle more than 1 antenna */ /* TODO: handle more than 1 antenna */
//printf("%d(%d) : %d,%d => ",tti_offset,*jj,((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]); //printf("%d(%d) : %d,%d => ",tti_offset,*jj,((int16_t*)&txdataF[0][tti_offset])[0],((int16_t*)&txdataF[0][tti_offset])[1]);
((int16_t*)&sic_buffer[0][i])[0] = (x0[jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i ((int16_t*)&sic_buffer[0][i])[0] = (x0[jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //I //b_i
jj = jj + 1; jj = jj + 1;
((int16_t*)&sic_buffer[0][i])[1] = (x0[jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1} ((int16_t*)&sic_buffer[0][i])[1] = (x0[jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK; //Q //b_{i+1}
jj = jj + 1; jj = jj + 1;
//printf("recon %d,%d\n",((int16_t*)&sic_buffer[0][i])[0],((int16_t*)&sic_buffer[0][i])[1]); //printf("recon %d,%d\n",((int16_t*)&sic_buffer[0][i])[0],((int16_t*)&sic_buffer[0][i])[1]);
i++; i++;
break; break;
case 4: //16QAM case 4: //16QAM
@@ -1694,8 +1768,8 @@ int dlsch_modulation_SIC(int32_t **sic_buffer,
((int16_t *)&sic_buffer[0][i])[0]+=qam16_table[qam16_table_offset_re]; ((int16_t *)&sic_buffer[0][i])[0]+=qam16_table[qam16_table_offset_re];
((int16_t *)&sic_buffer[0][i])[1]+=qam16_table[qam16_table_offset_im]; ((int16_t *)&sic_buffer[0][i])[1]+=qam16_table[qam16_table_offset_im];
i++; i++;
break; break;
@@ -1737,12 +1811,12 @@ int dlsch_modulation_SIC(int32_t **sic_buffer,
((int16_t *)&sic_buffer[0][i])[0]+=(qam64_table[qam64_table_offset_re])>>1;//(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15); ((int16_t *)&sic_buffer[0][i])[0]+=(qam64_table[qam64_table_offset_re])>>1;//(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t *)&sic_buffer[0][i])[1]+=(qam64_table[qam64_table_offset_im])>>1;//(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15); ((int16_t *)&sic_buffer[0][i])[1]+=(qam64_table[qam64_table_offset_im])>>1;//(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
i++; i++;
break; break;
} }
} }
openair1/SIMULATION/LTE_PHY/dlsim.c
+680 -581
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