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Move nr_det_A_MF_2x2, nr_squared_matrix_element and nr_numer_2x2 to csi_rx.c

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This commit is contained in:
Roberto Louro Magueta
2022-07-04 14:18:04 +01:00
parent d864cf9457
commit 2b36f2d8f2
3 changed files with 83 additions and 101 deletions
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openair1/PHY/NR_UE_TRANSPORT/csi_rx.c
+83
View File
@@ -43,6 +43,89 @@
//#define NR_CSIRS_DEBUG
//#define NR_CSIIM_DEBUG
void nr_det_A_MF_2x2(int32_t *a_mf_00,
int32_t *a_mf_01,
int32_t *a_mf_10,
int32_t *a_mf_11,
int32_t *det_fin,
unsigned short nb_rb) {
int16_t nr_conjug2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1} ;
__m128i ad_re_128, bc_re_128, det_re_128;
__m128i *a_mf_00_128 = (__m128i *)a_mf_00;
__m128i *a_mf_01_128 = (__m128i *)a_mf_01;
__m128i *a_mf_10_128 = (__m128i *)a_mf_10;
__m128i *a_mf_11_128 = (__m128i *)a_mf_11;
__m128i *det_fin_128 = (__m128i *)det_fin;
for (int rb = 0; rb<3*nb_rb; rb++) {
//complex multiplication (I_a+jQ_a)(I_d+jQ_d) = (I_aI_d - Q_aQ_d) + j(Q_aI_d + I_aQ_d)
//The imag part is often zero, we compute only the real part
ad_re_128 = _mm_sign_epi16(a_mf_00_128[0],*(__m128i*)&nr_conjug2[0]);
ad_re_128 = _mm_madd_epi16(ad_re_128,a_mf_11_128[0]); //Re: I_a0*I_d0 - Q_a1*Q_d1
//complex multiplication (I_b+jQ_b)(I_c+jQ_c) = (I_bI_c - Q_bQ_c) + j(Q_bI_c + I_bQ_c)
//The imag part is often zero, we compute only the real part
bc_re_128 = _mm_sign_epi16(a_mf_01_128[0],*(__m128i*)&nr_conjug2[0]);
bc_re_128 = _mm_madd_epi16(bc_re_128,a_mf_10_128[0]); //Re: I_b0*I_c0 - Q_b1*Q_c1
det_re_128 = _mm_sub_epi32(ad_re_128, bc_re_128);
//det in Q30 format
det_fin_128[0] = _mm_abs_epi32(det_re_128);
det_fin_128+=1;
a_mf_00_128+=1;
a_mf_01_128+=1;
a_mf_10_128+=1;
a_mf_11_128+=1;
}
_mm_empty();
_m_empty();
}
void nr_squared_matrix_element(int32_t *a,
int32_t *a_sq,
unsigned short nb_rb) {
__m128i *a_128 = (__m128i *)a;
__m128i *a_sq_128 = (__m128i *)a_sq;
for (int rb=0; rb<3*nb_rb; rb++) {
a_sq_128[0] = _mm_madd_epi16(a_128[0], a_128[0]);
a_sq_128+=1;
a_128+=1;
}
_mm_empty();
_m_empty();
}
void nr_numer_2x2(int32_t *a_00_sq,
int32_t *a_01_sq,
int32_t *a_10_sq,
int32_t *a_11_sq,
int32_t *num_fin,
unsigned short nb_rb) {
__m128i *a_00_sq_128 = (__m128i *)a_00_sq;
__m128i *a_01_sq_128 = (__m128i *)a_01_sq;
__m128i *a_10_sq_128 = (__m128i *)a_10_sq;
__m128i *a_11_sq_128 = (__m128i *)a_11_sq;
__m128i *num_fin_128 = (__m128i *)num_fin;
for (int rb=0; rb<3*nb_rb; rb++) {
__m128i sq_a_plus_sq_d_128 = _mm_add_epi32(a_00_sq_128[0], a_11_sq_128[0]);
__m128i sq_b_plus_sq_c_128 = _mm_add_epi32(a_01_sq_128[0], a_10_sq_128[0]);
num_fin_128[0] = _mm_add_epi32(sq_a_plus_sq_d_128, sq_b_plus_sq_c_128);
num_fin_128+=1;
a_00_sq_128+=1;
a_01_sq_128+=1;
a_10_sq_128+=1;
a_11_sq_128+=1;
}
_mm_empty();
_m_empty();
}
bool is_csi_rs_in_symbol(fapi_nr_dl_config_csirs_pdu_rel15_t csirs_config_pdu, int symbol) {
bool ret = false;
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
-83
View File
@@ -1870,89 +1870,6 @@ void nr_dlsch_detection_mrc(int **rxdataF_comp,
#endif
}
void nr_det_A_MF_2x2(int32_t *a_mf_00,
int32_t *a_mf_01,
int32_t *a_mf_10,
int32_t *a_mf_11,
int32_t *det_fin,
unsigned short nb_rb) {
int16_t nr_conjug2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1} ;
__m128i ad_re_128, bc_re_128, det_re_128;
__m128i *a_mf_00_128 = (__m128i *)a_mf_00;
__m128i *a_mf_01_128 = (__m128i *)a_mf_01;
__m128i *a_mf_10_128 = (__m128i *)a_mf_10;
__m128i *a_mf_11_128 = (__m128i *)a_mf_11;
__m128i *det_fin_128 = (__m128i *)det_fin;
for (int rb = 0; rb<3*nb_rb; rb++) {
//complex multiplication (I_a+jQ_a)(I_d+jQ_d) = (I_aI_d - Q_aQ_d) + j(Q_aI_d + I_aQ_d)
//The imag part is often zero, we compute only the real part
ad_re_128 = _mm_sign_epi16(a_mf_00_128[0],*(__m128i*)&nr_conjug2[0]);
ad_re_128 = _mm_madd_epi16(ad_re_128,a_mf_11_128[0]); //Re: I_a0*I_d0 - Q_a1*Q_d1
//complex multiplication (I_b+jQ_b)(I_c+jQ_c) = (I_bI_c - Q_bQ_c) + j(Q_bI_c + I_bQ_c)
//The imag part is often zero, we compute only the real part
bc_re_128 = _mm_sign_epi16(a_mf_01_128[0],*(__m128i*)&nr_conjug2[0]);
bc_re_128 = _mm_madd_epi16(bc_re_128,a_mf_10_128[0]); //Re: I_b0*I_c0 - Q_b1*Q_c1
det_re_128 = _mm_sub_epi32(ad_re_128, bc_re_128);
//det in Q30 format
det_fin_128[0] = _mm_abs_epi32(det_re_128);
det_fin_128+=1;
a_mf_00_128+=1;
a_mf_01_128+=1;
a_mf_10_128+=1;
a_mf_11_128+=1;
}
_mm_empty();
_m_empty();
}
void nr_squared_matrix_element(int32_t *a,
int32_t *a_sq,
unsigned short nb_rb) {
__m128i *a_128 = (__m128i *)a;
__m128i *a_sq_128 = (__m128i *)a_sq;
for (int rb=0; rb<3*nb_rb; rb++) {
a_sq_128[0] = _mm_madd_epi16(a_128[0], a_128[0]);
a_sq_128+=1;
a_128+=1;
}
_mm_empty();
_m_empty();
}
void nr_numer_2x2(int32_t *a_00_sq,
int32_t *a_01_sq,
int32_t *a_10_sq,
int32_t *a_11_sq,
int32_t *num_fin,
unsigned short nb_rb) {
__m128i *a_00_sq_128 = (__m128i *)a_00_sq;
__m128i *a_01_sq_128 = (__m128i *)a_01_sq;
__m128i *a_10_sq_128 = (__m128i *)a_10_sq;
__m128i *a_11_sq_128 = (__m128i *)a_11_sq;
__m128i *num_fin_128 = (__m128i *)num_fin;
for (int rb=0; rb<3*nb_rb; rb++) {
__m128i sq_a_plus_sq_d_128 = _mm_add_epi32(a_00_sq_128[0], a_11_sq_128[0]);
__m128i sq_b_plus_sq_c_128 = _mm_add_epi32(a_01_sq_128[0], a_10_sq_128[0]);
num_fin_128[0] = _mm_add_epi32(sq_a_plus_sq_d_128, sq_b_plus_sq_c_128);
num_fin_128+=1;
a_00_sq_128+=1;
a_01_sq_128+=1;
a_10_sq_128+=1;
a_11_sq_128+=1;
}
_mm_empty();
_m_empty();
}
/* Zero Forcing Rx function: nr_a_sum_b()
* Compute the complex addition x=x+y
*
openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
-18
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@@ -891,24 +891,6 @@ void nr_a_sum_b(__m128i *input_x,
__m128i *input_y,
unsigned short nb_rb);
void nr_det_A_MF_2x2(int32_t *a_mf_00,
int32_t *a_mf_01,
int32_t *a_mf_10,
int32_t *a_mf_11,
int32_t *det_fin,
unsigned short nb_rb);
void nr_squared_matrix_element(int32_t *a,
int32_t *a_sq,
unsigned short nb_rb);
void nr_numer_2x2(int32_t *a_00_sq,
int32_t *a_01_sq,
int32_t *a_10_sq,
int32_t *a_11_sq,
int32_t *num_fin,
unsigned short nb_rb);
uint8_t rank_estimation_tm3_tm4(int *dl_ch_estimates_00,
int *dl_ch_estimates_01,
int *dl_ch_estimates_10,