Commit 9f4a8491 authored by Florian Kaltenberger's avatar Florian Kaltenberger

added prototypes to compute beamforming weights

parent e3dbfa3d
......@@ -976,6 +976,7 @@ set(PHY_SRC
${OPENAIR1_DIR}/PHY/MODULATION/slot_fep_ul.c
${OPENAIR1_DIR}/PHY/MODULATION/ul_7_5_kHz.c
${OPENAIR1_DIR}/PHY/MODULATION/beamforming.c
${OPENAIR1_DIR}/PHY/MODULATION/compute_bf_weights.c
${OPENAIR1_DIR}/PHY/LTE_ESTIMATION/freq_equalization.c
${OPENAIR1_DIR}/PHY/LTE_ESTIMATION/lte_sync_time.c
${OPENAIR1_DIR}/PHY/LTE_ESTIMATION/lte_sync_timefreq.c
......
......@@ -120,4 +120,3 @@ int beam_precoding(int32_t **txdataF,
}
}
}
#include <stdio.h>
#include <stdint.h>
#include "PHY/impl_defs_lte.h"
int f_read(char *calibF_fname, int nb_ant, int nb_freq, int32_t **tdd_calib_coeffs){
FILE *calibF_fd;
int i,j,l,calibF_e;
calibF_fd = fopen(calibF_fname,"r");
if (calibF_fd) {
printf("Loading Calibration matrix from %s\n", calibF_fname);
for(i=0;i<nb_ant;i++){
for(j=0;j<nb_freq*2;j++){
fscanf(calibF_fd, "%d", &calibF_e);
tdd_calib_coeffs[i][j] = (int16_t)calibF_e;
}
}
printf("%d\n",(int)tdd_calib_coeffs[0][0]);
printf("%d\n",(int)tdd_calib_coeffs[1][599]);
} else
printf("%s not found, running with defaults\n",calibF_fname);
}
int estimate_DLCSI_from_ULCSI(int32_t **calib_dl_ch_estimates, int32_t **ul_ch_estimates, int32_t **tdd_calib_coeffs, int nb_ant, int nb_freq) {
}
int compute_BF_weights(int32_t **beam_weights, int32_t **calib_dl_ch_estimates, PRECODE_TYPE_t precode_type, int nb_ant, int nb_freq) {
switch (precode_type) {
//case MRT
case 0 :
//case ZF
break;
case 1 :
//case MMSE
break;
case 2 :
break;
default :
break;
}
}
// temporal test function
void main(){
// initialization
// compare
printf("Hello world!\n");
}
\ No newline at end of file
......@@ -118,6 +118,13 @@ int beam_precoding(int32_t **txdataF,
int slot,
int symbol);
int f_read(char *calibF_fname, int nb_ant, int nb_freq, int32_t **tdd_calib_coeffs);
int estimate_DLCSI_from_ULCSI(int32_t **calib_dl_ch_estimates, int32_t **ul_ch_estimates, int32_t **tdd_calib_coeffs, int nb_ant, int nb_freq);
int compute_BF_weights(int32_t **beam_weights, int32_t **calib_dl_ch_estimates, PRECODE_TYPE_t precode_type, int nb_ant, int nb_freq);
#endif
/** @}*/
#endif
......@@ -593,6 +593,15 @@ typedef enum {
TM9_10=14
} MIMO_mode_t;
typedef enum {
/// MRT
MRT=0,
/// ZF
ZF=1,
/// MMSE
MMSE=2
} PRECODE_TYPE_t;
typedef struct {
/// \brief Holds the transmit data in time domain.
/// For IFFT_FPGA this points to the same memory as PHY_vars->rx_vars[a].RX_DMA_BUFFER.
......
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