Files
openairinterface5g/openair1/PHY/LTE_UE_TRANSPORT/linear_preprocessing_rec.h
T
Cedric Roux aea6b4b5a6 fix a lot of file mode
For whatever reason most of the files had their permission
changed from 644 to 755, which is not wanted.
2019-01-07 16:22:28 +01:00

122 lines
4.8 KiB
C

#include<stdio.h>
#include<math.h>
#include<complex.h>
#include <stdlib.h>
#include "PHY/defs_UE.h"
/* FUNCTIONS FOR LINEAR PREPROCESSING: MMSE, WHITENNING, etc*/
void transpose(int N, float complex *A, float complex *Result);
void conjugate_transpose(int N, float complex *A, float complex *Result);
void H_hermH_plus_sigma2I(int N, int M, float complex *A, float sigma2, float complex *Result);
void HH_herm_plus_sigma2I(int M, int N, float complex *A, float sigma2, float complex *Result);
void eigen_vectors_values(int N, float complex *A, float complex *Vectors, float *Values_Matrix);
void lin_eq_solver(int N, float complex *A, float complex* B);
//float complex* lin_eq_solver (int N, float complex* A, float complex* B);
/* mutl_matrix_matrix_row_based performs multiplications when matrix is row-oriented H[0], H[1]; H[2], H[3]*/
void mutl_matrix_matrix_row_based(float complex* M0, float complex* M1, int rows_M0, int col_M0, int rows_M1, int col_M1, float complex* Result );
/* mutl_matrix_matrix_col_based performs multiplications matrix is column-oriented H[0], H[2]; H[1], H[3]*/
void mutl_matrix_matrix_col_based(float complex* M0, float complex* M1, int rows_M0, int col_M0, int rows_M1, int col_M1, float complex* Result );
void compute_MMSE(float complex* H, int order_H, float sigma2, float complex* W_MMSE);
void compute_white_filter(float complex* H, int order_H, float sigma2, float complex* U_1, float complex* D_1);
void mmse_processing_oai(LTE_UE_PDSCH *pdsch_vars,
LTE_DL_FRAME_PARMS *frame_parms,
PHY_MEASUREMENTS *measurements,
unsigned char first_symbol_flag,
MIMO_mode_t mimo_mode,
unsigned short mmse_flag,
int noise_power,
unsigned char symbol,
unsigned short nb_rb);
void precode_channel_est(int32_t **dl_ch_estimates_ext,
LTE_DL_FRAME_PARMS *frame_parms,
LTE_UE_PDSCH *pdsch_vars,
unsigned char symbol,
unsigned short nb_rb,
MIMO_mode_t mimo_mode);
void rxdataF_to_float(int32_t **rxdataF_ext,
float complex **rxdataF_f,
int n_rx,
int length,
int start_point);
void chan_est_to_float(int32_t **dl_ch_estimates_ext,
float complex **dl_ch_estimates_ext_f,
int n_tx,
int n_rx,
int length,
int start_point);
void float_to_chan_est(int32_t **dl_ch_estimates_ext,
float complex **dl_ch_estimates_ext_f,
int n_tx,
int n_rx,
int length,
int start_point);
void float_to_rxdataF(int32_t **rxdataF_ext,
float complex **rxdataF_f,
int n_tx,
int n_rx,
int length,
int start_point);
void mult_mmse_rxdataF(float complex** Wmmse,
float complex** rxdataF_ext_f,
int n_tx,
int n_rx,
int length,
int start_point);
void mult_mmse_chan_est(float complex** Wmmse,
float complex** dl_ch_estimates_ext_f,
int n_tx,
int n_rx,
int length,
int start_point);
void mmse_processing_core(int32_t **rxdataF_ext,
int32_t **dl_ch_estimates_ext,
int sigma2,
int n_tx,
int n_rx,
int length,
int start_point);
void mmse_processing_core_flp(float complex** rxdataF_ext_flcpx,
float complex **H,
int32_t **rxdataF_ext,
int32_t **dl_ch_estimates_ext,
float sigma2,
int n_tx,
int n_rx,
int length,
int start_point);
void whitening_processing_core_flp(float complex** rxdataF_ext_flcpx,
float complex **H,
int32_t **rxdataF_ext,
int32_t **dl_ch_estimates_ext,
float sigma2,
int n_tx,
int n_rx,
int length,
int start_point);
float sqrt_float(float x, float sqrt_x);