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move function add_noise() to file openair1/SIMULATION/TOOLS/phase_noise.c

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This commit is contained in:
Thomas Schlichter
2025-04-10 12:36:30 +00:00
parent b5f7d22c02
commit 9e4df97d84
3 changed files with 60 additions and 62 deletions
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openair1/SIMULATION/TOOLS/sim.h
+30 -32
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@@ -379,32 +379,6 @@ void get_cexp_doppler(struct complexd *cexp_doppler, channel_desc_t *chan_desc,
*/
int random_channel(channel_desc_t *desc, uint8_t abstraction_flag);
/**
\brief Add AWGN noise and phase noise if enabled
\param rxdata output data with noise
\param r_re real part of input data without noise
\param r_im imaginary part of input data without noise
\param sigma noise power
\param length number of samples to apply the noise
\param slot_offset slot offset to start applying the noise
\param ts sampling time
\param delay introduce delay in terms of number of samples
\param pdu_bit_map bitmap indicating presence of optional PDUs
\param ptrs_bit_map
\param nb_antennas_rx number of receive antennas
*/
void add_noise(c16_t **rxdata,
const double **r_re,
const double **r_im,
const double sigma,
const int length,
const int slot_offset,
const double ts,
const int delay,
const uint16_t pdu_bit_map,
const uint16_t ptrs_bit_map,
const uint8_t nb_antennas_rx);
/**\fn void multipath_channel(channel_desc_t *desc,
double tx_sig_re[NB_ANTENNAS_TX],
double tx_sig_im[NB_ANTENANS_TX],
@@ -569,17 +543,41 @@ int load_channellist(uint8_t nb_tx, uint8_t nb_rx, double sampling_rate, uint64_
double N_RB2sampling_rate(uint16_t N_RB);
double N_RB2channel_bandwidth(uint16_t N_RB);
void InitSinLUT(void);
/* Linear phase noise model */
/*!
/**
\brief This function produce phase noise and add to input signal
\param ts Sampling time
\param ts Sampling time
\param *Re *Im Real and Imag part of the signal
*/
//look-up table for the sine (cosine) function
#define ResolSinCos 100
void InitSinLUT( void );
void phase_noise(double ts, int16_t * InRe, int16_t * InIm);
void phase_noise(double ts, int16_t *InRe, int16_t *InIm);
/**
\brief Add AWGN noise and phase noise if enabled
\param rxdata output data with noise
\param r_re real part of input data without noise
\param r_im imaginary part of input data without noise
\param sigma noise power
\param length number of samples to apply the noise
\param slot_offset slot offset to start applying the noise
\param ts sampling time
\param delay introduce delay in terms of number of samples
\param pdu_bit_map bitmap indicating presence of optional PDUs
\param ptrs_bit_map
\param nb_antennas_rx number of receive antennas
*/
void add_noise(c16_t **rxdata,
const double **r_re,
const double **r_im,
const double sigma,
const int length,
const int slot_offset,
const double ts,
const int delay,
const uint16_t pdu_bit_map,
const uint16_t ptrs_bit_map,
const uint8_t nb_antennas_rx);
void do_DL_sig(sim_t *sim,
uint16_t subframe,