mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2020 Software Radio Systems Limited
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the distribution.
|
|
*
|
|
*/
|
|
|
|
#ifndef SRSLTE_CHEST_COMMON_H
|
|
#define SRSLTE_CHEST_COMMON_H
|
|
|
|
#include "srslte/config.h"
|
|
#include <stdint.h>
|
|
|
|
#define SRSLTE_CHEST_MAX_SMOOTH_FIL_LEN 64
|
|
|
|
typedef enum SRSLTE_API {
|
|
SRSLTE_CHEST_FILTER_GAUSS = 0,
|
|
SRSLTE_CHEST_FILTER_TRIANGLE,
|
|
SRSLTE_CHEST_FILTER_NONE
|
|
} srslte_chest_filter_t;
|
|
|
|
SRSLTE_API void srslte_chest_average_pilots(cf_t* input,
|
|
cf_t* output,
|
|
float* filter,
|
|
uint32_t nof_ref,
|
|
uint32_t nof_symbols,
|
|
uint32_t filter_len);
|
|
|
|
SRSLTE_API uint32_t srslte_chest_set_smooth_filter3_coeff(float* smooth_filter, float w);
|
|
|
|
SRSLTE_API float srslte_chest_estimate_noise_pilots(cf_t* noisy, cf_t* noiseless, cf_t* noise_vec, uint32_t nof_pilots);
|
|
|
|
SRSLTE_API uint32_t srslte_chest_set_triangle_filter(float* fil, int filter_len);
|
|
|
|
SRSLTE_API uint32_t srslte_chest_set_smooth_filter_gauss(float* filter, uint32_t order, float std_dev);
|
|
|
|
#endif // SRSLTE_CHEST_COMMON_H
|