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Commit e253a6f3 authored by Sakthivel Velumani's avatar Sakthivel Velumani
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Added support for nushift

parent 4815ff11
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Showing with 55 additions and 18 deletions
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
View file @ e253a6f3
......@@ -41,7 +41,8 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
unsigned char aarx;
unsigned short k;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*ul_ch,*fl,*fm,*fr,*fml,*fmr,*fmm;
int16_t ch[2],*pil,*rxF,*ul_ch;
int16_t *fl,*fm,*fr,*fml,*fmr,*fmm,*fdcl,*fdcr,*fdclh,*fdcrh;
int ch_offset,symbol_offset, length_dmrs, UE_id = 0;
unsigned short n_idDMRS[2] = {0,1}; //to update from pusch config
int32_t temp_in_ifft_0[8192*2] __attribute__((aligned(16)));
......@@ -82,6 +83,10 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
fmm = filt8_mm0;
fml = filt8_m0;
fmr = filt8_mr0;
fdcl = filt8_dcl0;
fdcr = filt8_dcr0;
fdclh = filt8_dcl0_h;
fdcrh = filt8_dcr0_h;
break;
case 1:
......@@ -91,6 +96,10 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
fmm = filt8_mm1;
fml = filt8_ml1;
fmr = filt8_m1;
fdcl = filt8_dcl1;
fdcr = filt8_dcr1;
fdclh = filt8_dcl1_h;
fdcrh = filt8_dcr1_h;
break;
default:
......@@ -275,7 +284,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
// for proper allignment of SIMD vectors
if((gNB->frame_parms.N_RB_UL&1)==0) {
multadd_real_vector_complex_scalar(filt8_dcl,
multadd_real_vector_complex_scalar(fdcl,
ch,
ul_ch-4,
8);
......@@ -286,13 +295,13 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
multadd_real_vector_complex_scalar(filt8_dcr,
multadd_real_vector_complex_scalar(fdcr,
ch,
ul_ch-4,
8);
} else {
multadd_real_vector_complex_scalar(filt8_dcl_h,
multadd_real_vector_complex_scalar(fdclh,
ch,
ul_ch,
8);
......@@ -303,7 +312,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
multadd_real_vector_complex_scalar(filt8_dcr_h,
multadd_real_vector_complex_scalar(fdcrh,
ch,
ul_ch,
8);
......
openair1/PHY/NR_UE_ESTIMATION/filt16a_32.c
View file @ e253a6f3
......@@ -135,16 +135,16 @@ short filt8_dcmc[8]= {
short filt8_dcmd[8]= {
0,0,0,4096,4096,8192,12288,16384};
short filt8_dcl[8]= {
short filt8_dcl0[8]= {
0,0,16384,12288,8192,4096,0,0};
short filt8_dcr[8]= {
short filt8_dcr0[8]= {
0,0,0,4096,8192,12288,16384,0};
short filt8_dcl_h[8]= {
short filt8_dcl0_h[8]= {
16384,12288,8192,4096,0,0,0,0};
short filt8_dcr_h[8]= {
short filt8_dcr0_h[8]= {
0,4096,8192,12288,16384,0,0,0};
short filt8_l1[8] = {
......@@ -161,3 +161,15 @@ short filt8_m1[8] = {
short filt8_mm1[8]= {
0,0,0,0,8192,16384,8192,0};
short filt8_dcl1[8]= {
0,0,0,16384,12288,8192,4096,0};
short filt8_dcr1[8]= {
0,0,0,0,4096,8192,12288,16384};
short filt8_dcl1_h[8]= {
0,16384,12288,8192,4096,0,0,0};
short filt8_dcr1_h[8]= {
0,0,4096,8192,12288,16384,0,0};
openair1/PHY/NR_UE_ESTIMATION/filt16a_32.h
View file @ e253a6f3
......@@ -99,13 +99,13 @@ extern short filt8_dcmc[8];
extern short filt8_dcmd[8];
extern short filt8_dcl[8];
extern short filt8_dcl0[8];
extern short filt8_dcr[8];
extern short filt8_dcr0[8];
extern short filt8_dcl_h[8];
extern short filt8_dcl0_h[8];
extern short filt8_dcr_h[8];
extern short filt8_dcr0_h[8];
extern short filt8_l1[8];
......@@ -117,4 +117,11 @@ extern short filt8_m1[8];
extern short filt8_mm1[8];
extern short filt8_dcl1[8];
extern short filt8_dcr1[8];
extern short filt8_dcl1_h[8];
extern short filt8_dcr1_h[8];
#endif
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ e253a6f3
......@@ -656,7 +656,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned char aarx;
unsigned short k;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*fr,*fml,*fmr,*fmm;
int16_t ch[2],*pil,*rxF,*dl_ch;
int16_t *fl,*fm,*fr,*fml,*fmr,*fmm,*fdcl,*fdcr,*fdclh,*fdcrh;
int ch_offset,symbol_offset;
//uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
......@@ -691,6 +692,10 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
fmm = filt8_mm0;
fml = filt8_m0;
fmr = filt8_mr0;
fdcl = filt8_dcl0;
fdcr = filt8_dcr0;
fdclh = filt8_dcl0_h;
fdcrh = filt8_dcr0_h;
break;
case 1:
......@@ -700,6 +705,10 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
fmm = filt8_mm1;
fml = filt8_ml1;
fmr = filt8_m1;
fdcl = filt8_dcl1;
fdcr = filt8_dcr1;
fdclh = filt8_dcl1_h;
fdcrh = filt8_dcr1_h;
break;
default:
......@@ -882,7 +891,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
// for proper allignment of SIMD vectors
if((ue->frame_parms.N_RB_DL&1)==0) {
multadd_real_vector_complex_scalar(filt8_dcl,
multadd_real_vector_complex_scalar(fdcl,
ch,
dl_ch-4,
8);
......@@ -893,13 +902,13 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
multadd_real_vector_complex_scalar(filt8_dcr,
multadd_real_vector_complex_scalar(fdcr,
ch,
dl_ch-4,
8);
} else {
multadd_real_vector_complex_scalar(filt8_dcl_h,
multadd_real_vector_complex_scalar(fdclh,
ch,
dl_ch,
8);
......@@ -910,7 +919,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15);
multadd_real_vector_complex_scalar(filt8_dcr_h,
multadd_real_vector_complex_scalar(fdcrh,
ch,
dl_ch,
8);
......
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